i'm looking for feedback, thank you here's the full definition of my schematic: import { mkdirSync, writeFileSync } from "node:fs" import path from "node:path" import { defineCircuit, definePart, exportKiCadNetlist, instantiate, net, pin, } from "../../../tools/circuitd/src" const ch32v203f8u6 = definePart({ id: "CH32V203F8U6", kicadSymbol: "tinybee:CH32V203F8U6", footprint: "tinybee:QFN-20_L3.0-W3.0-P0.40-BL-EP1.7", defaultValue: "CH32V203F8U6", datasheet: "ch32-riscv-ug.github.io/CH32…", description: "144 MHz RISC-V MCU with ADCs, op-amps, advanced timers, and SWD", fields: { "LCSC Part": "C7570477", }, designNotes: [ "Power this MCU from a 3.3 V rail only; do not allow the VDD pin to see more than 3.6 V.", "Place a 100 nF decoupler immediately next to VDD and the QFN ground return, and keep that loop as short as possible.", "Put a small series resistor between PA0 and any off-board throttle or one-wire configuration signal so the MCU pin is not directly exposed at the connector.", "Keep PA13 and PA14 easy to probe and free of hard loads so SWD still works during bring-up and recovery.", "Keep PA8, PA9, PA10, PA7, PB0, and PB1 on the three phase-drive nets, and keep PA6/BKI free for a future fault or protection input.", "If you follow the openwch RISC-V ESC zero-cross scheme, tie PA3 and PA4 back into PA2 externally and reserve PA2 for that shared interrupt net.", "Route back-EMF and op-amp related pins away from phase copper, gate-drive loops, and other fast-switching nodes.", ], pins: { "PA0/WKUP/ADC0": "1", "PA1/ADC1": "2", "PA2/ADC2/OP2O0": "3", "PA3/ADC3/OP1O0": "4", "PA4/ADC4/OP2O1": "5", "PA5/ADC5/OP2N1": "6", "PA7/ADC7/OP2P1/CH1N": "7", "PB0/ADC8/OP1P1/CH2N": "8", "PB1/ADC9/OP1O1/CH3N": "9", "PB10/OP2N0": "10", "PB11/OP1N0": "11", "PB14/OP2P0": "12", "PB15/OP1P0": "13", "PA8/CH1": "14", "PA9/CH2": "15", "PA13/SWD/PA12/UDP": "16", "PA14/SWC/PA11/UDM": "17", "PA10/CH3": "18", VDD: "19", "PA6/ADC6/OP1N1/BKI": "20", GND: "21", }, }) const tlv75533pdqnt = definePart({ id: "TLV75533PDQNT", kicadSymbol: "Regulator_Linear:TLV75533PDBV", footprint: "tinybee:Texas_X2SON-4_1x1mm_P0.65mm", defaultValue: "TLV75533PDQNT", datasheet: "ti.com/lit/ds/symlink/tlv755…", description: "500mA low-dropout fixed 3.3V regulator in 1x1mm X2SON-4", designNotes: [ "Treat BATT as a 1S Li-ion or LiPo rail only; this regulator has a 5.5 V maximum input rating, so 2S or higher is out of bounds for this graph.", "Place at least 1 uF ceramic directly at IN and at least 1 uF ceramic directly at OUT; do not push those capacitors away from the package.", "Check regulator heating with (VIN - 3.3 V) * load current and add copper area if the dissipation is not comfortably safe.", "Add local input bulk when the battery lead is long or inductive so the LDO input does not absorb line spikes by itself.", "Keep EN tied to a known state at all times; if startup control matters later, break it out deliberately instead of bodging it in.", "The X2SON thermal pad is internally tied to GND; flood it into the local ground copper and do not leave the center pad floating.", ], pins: { OUT: "1", GND: "2", EN: "3", IN: "4", THERMAL_PAD: "5", }, }) const controlHeader = definePart({ id: "CTRL_IN_HEADER_1X01", kicadSymbol: "Connector_Generic:Conn_01x01", footprint: "tinybee:CTRL_PAD_1x01_Micro", defaultValue: "CTRL_IN", description: "1-pin control input wire pad for throttle signal", designNotes: [ "Use this only for the control signal.", "Ground reference is expected to be shared elsewhere in the system when this pad is in use.", "Battery power comes in through the dedicated battery wire holes, not through this control pad.", "PA0 on the CH32 is not a true FT input; treat this header as a 3.3 V logic input unless you deliberately add a real level-conditioning stage.", ], pins: { PIN1: "1", }, }) const motorHeader = definePart({ id: "MOTOR_OUT_HEADER_1X03", kicadSymbol: "Connector_Generic:Conn_01x03", footprint: "tinybee:MOTOR_PADS_1x03_Micro", defaultValue: "MOTOR_OUT", description: "3-pin motor phase wire pad group", designNotes: [ "This is the board edge interface for the three motor phases.", "Use direct wire holes here rather than a bulky 2.54 mm header footprint.", ], pins: { PIN1: "1", PIN2: "2", PIN3: "3", }, }) const programmingHeader = definePart({ id: "PROG_HEADER_1X04", kicadSymbol: "Connector_Generic:Conn_01x04", footprint: "tinybee:PROG_PADS_1x04_Micro", defaultValue: "PROG", description: "4-pin fine-pitch SWD programming header", designNotes: [ "Break out SWDIO, SWCLK, GND, and 3.3 V so the CH32 can be flashed and recovered without bodge wires.", "Keep this header free of extra loading and avoid reusing the SWD pins elsewhere until firmware bring-up is stable.", "Treat the 3.3 V pin here as target reference unless you deliberately design reverse-current-safe back-powering through the regulator path.", ], pins: { PIN1: "1", PIN2: "2", PIN3: "3", PIN4: "4", }, }) const batteryHeader = definePart({ id: "BATT_IN_HEADER_1X02", kicadSymbol: "Connector_Generic:Conn_01x02", footprint: "tinybee:BATT_PADS_1x02_Micro", defaultValue: "BATT_IN", description: "2-pin battery wire pad pair", designNotes: [ "Use this dedicated pair for battery positive and battery negative input.", "Keep the battery loop tight to the bulk capacitors and half-bridge supply entry.", ], pins: { PIN1: "1", PIN2: "2", }, }) const complementaryHalfBridge = definePart({ id: "PMCPB5530X_115", kicadSymbol: "tinybee:PMCPB5530X,115", footprint: "tinybee:DFN2020-6_L2.0-W2.0-P0.65-BL", defaultValue: "PMCPB5530X,115", datasheet: "assets.nexperia.com/document…", description: "20 V complementary N/P MOSFET half-bridge in DFN2020-6", fields: { "LCSC Part": "C552747", }, designNotes: [ "Use this complementary half-bridge only on a 1S Li-ion or LiPo rail; do not reuse the direct P-gate pull-down topology above the 1S battery range.", "With BATT limited to the 1S range, the direct P-gate pull-down swing stays inside the device gate limits and gives usable drive headroom.", "Drive the low-side N-FET gates directly from the 3.3 V timer outputs only in this 1S design; rework the stage before raising the battery voltage.", "Do not skimp on local BATT bypass; keep real ceramic bulk plus a high-frequency bypass capacitor tight to the half-bridge supply loop.", "Pour the duplicated drain pads into real copper for current and heat spreading; do not neck them down right at the package.", "Keep each gate loop short, tight, and referenced to its own source return to reduce ringing and false turn-on.", "Assume the board copper sets the real current limit; check temperature rise on the actual ESC geometry, not only the datasheet headline current.", ], pins: { LOW_SIDE_SOURCE: "1", LOW_SIDE_GATE: "2", HIGH_SIDE_DRAIN: ["3", "8"], HIGH_SIDE_SOURCE: "4", HIGH_SIDE_GATE: "5", LOW_SIDE_DRAIN: ["6", "7"], }, }) const highSidePullDownBjt = definePart({ id: "BC847BLP_7", kicadSymbol: "Transistor_BJT:Q_NPN_BEC", footprint: "Package_TO_SOT_SMD:SOT-883", defaultValue: "BC847BLP-7", datasheet: "wmsc.lcsc.com/wmsc/upload/fi…", description: "45 V, 100 mA NPN small-signal transistor in SOT-883", designNotes: [ "Use this device only as the helper pull-down for the high-side P-gate nets; do not put motor or supply current through it as a power path element.", "In this topology, keep emitter at GND, collector on the P-gate net, and drive the base through a resistor from the MCU.", "Give the base a defined pulldown so the PMOS high side stays off while the MCU is in reset or high-impedance.", "With a 470R P-gate pull-up on a 1S rail, this transistor sinks about 9 mA at full turn-on, which is still well inside the BC847BLP-7's capability.", "Check the B-E-C pin order against the footprint before layout release; small BJTs are easy to rotate or mirror by accident.", ], pins: { BASE: "1", EMITTER: "2", COLLECTOR: "3", }, }) const yageoRc0201Datasheet = "mouser.com/datasheet/2/447/R…" const kemetMlccDatasheet = "content.kemet.com/datasheets…" const defineYageoRc0201 = (mpn: string, value: string) => definePart({ id: mpn, kicadSymbol: "Device:R", footprint: "Resistor_SMD:R_0201_0603Metric", defaultValue: value, datasheet: yageoRc0201Datasheet, description: `Yageo ${mpn} 0201 1% thick-film resistor`, fields: { Manufacturer: "Yageo", MPN: mpn, Tolerance: "1%", Power: "0.05W", }, designNotes: [ "This BOM is locked to an exact Yageo RC0201FR-07 1% resistor, not a generic 0201 placeholder.", "Keep the 1% series on the back-EMF divider path so thresholds stay predictable across temperature.", "Re-check pulse and dissipation stress if the battery domain or gate network changes.", ], pins: { A: "1", B: "2", }, }) const defineYageoRc0402 = (mpn: string, value: string) => definePart({ id: mpn, kicadSymbol: "Device:R", footprint: "Resistor_SMD:R_0402_1005Metric", defaultValue: value, datasheet: "mouser.com/datasheet/2/447/R…", description: `Yageo ${mpn} 0402 1% thick-film resistor`, fields: { Manufacturer: "Yageo", MPN: mpn, Tolerance: "1%", Power: "0.063W", }, designNotes: [ "Use 0402 here where the resistor sees non-trivial continuous dissipation on the switching rail.", "Do not silently shrink these positions back to 0201 without re-checking power and temperature margin.", ], pins: { A: "1", B: "2", }, }) const defineKemetMlcc = ({ mpn, value, footprint, description, voltage, dielectric, designNotes, }: { mpn: string value: string footprint: string description: string voltage: string dielectric: string designNotes: readonly string[] }) => definePart({ id: mpn, kicadSymbol: "Device:C", footprint, defaultValue: value, datasheet: kemetMlccDatasheet, description, fields: { Manufacturer: "KEMET", MPN: mpn, Dielectric: dielectric, "Rated Voltage": voltage, }, designNotes, pins: { POS: "1", NEG: "2", }, }) const resistor30r = defineYageoRc0201("RC0201FR-0730RL", "30R") const resistor470r0402 = defineYageoRc0402("RC0402FR-07470RL", "470R") const resistor1k = defineYageoRc0201("RC0201FR-071KL", "1k") const resistor10k = defineYageoRc0201("RC0201FR-0710KL", "10k") const resistor100k = defineYageoRc0201("RC0201FR-07100KL", "100k") const resistor12k = defineYageoRc0201("RC0201FR-0712KL", "12k") const resistor15k = defineYageoRc0201("RC0201FR-0715KL", "15k") const resistor33k = defineYageoRc0201("RC0201FR-0733KL", "33k") const swdVrefIsolationDiode = definePart({ id: "RB751CS40,315", kicadSymbol: "Device:D_Schottky", footprint: "tinybee:D_SOD-882", defaultValue: "RB751CS40,315", datasheet: "nexperia.com/product/RB751CS…", description: "40 V small-signal Schottky diode in SOD-882 for isolated SWD Vref sensing", designNotes: [ "This diode lets the programming header sense the target 3.3 V rail without back-powering the TLV755 when an external tool drives Vref.", "Place it close to the programming pads, and keep the 3V3 cathode side on the board rail with the isolated anode side only on the header Vref pin.", ], pins: { K: "1", A: "2", }, }) const capacitor100nF0402 = defineKemetMlcc({ mpn: "C0402C104K4RACTU", value: "100nF", footprint: "Capacitor_SMD:C_0402_1005Metric", description: "KEMET 100nF 16V X7R MLCC, 0402", voltage: "16V", dielectric: "X7R", designNotes: [ "This exact 16 V X7R part is locked for the 100 nF bypass positions in this 1S design.", "Use it for local high-frequency bypass on BATT or V3.3; do not silently substitute a lower-voltage or poor-stability dielectric.", ], }) const capacitor100nF0201 = defineKemetMlcc({ mpn: "C0201C104K9PACTU", value: "100nF", footprint: "Capacitor_SMD:C_0201_0603Metric", description: "KEMET 100nF 6.3V X5R MLCC, 0201", voltage: "6.3V", dielectric: "X5R", designNotes: [ "Use this only for local low-voltage decoupling like the CH32 VDD bypass.", "Do not silently reuse this 0201 part on the battery rail; keep the battery-facing 100 nF positions on the 16 V 0402 part.", ], }) const capacitor1uF0402 = defineKemetMlcc({ mpn: "C0402C105K8PAC7411", value: "1uF", footprint: "Capacitor_SMD:C_0402_1005Metric", description: "KEMET 1uF 10V X5R MLCC, 0402", voltage: "10V", dielectric: "X5R", designNotes: [ "This exact 10 V X5R part is the TLV755 output capacitor and satisfies the regulator's 1 uF ceramic requirement.", "A 0402 body is acceptable here, but this is still a regulator output part, not a battery-domain bypass; do not shrink it further without checking bias derating and stability.", ], }) const capacitor22uF0805 = defineKemetMlcc({ mpn: "C0805C226M8PACTU", value: "22uF", footprint: "Capacitor_SMD:C_0805_2012Metric", description: "KEMET 22uF 10V X5R MLCC, 0805", voltage: "10V", dielectric: "X5R", designNotes: [ "This exact 10 V X5R 0805 part is the 1S battery-side bulk capacitor.", "Keep this input bulk capacitor in 0805 or larger; do not shrink it back to 0603 without re-checking effective capacitance at 1S bias.", ], }) const C1 = instantiate(capacitor1uF0402, "C1") const C2 = instantiate(capacitor100nF0201, "C2") const C3 = instantiate(capacitor100nF0402, "C3") const C4 = instantiate(capacitor22uF0805, "C4") const C5 = instantiate(capacitor100nF0201, "C5") const C6 = instantiate(capacitor22uF0805, "C6") const Q1 = instantiate(complementaryHalfBridge, "Q1") const Q2 = instantiate(complementaryHalfBridge, "Q2") const Q3 = instantiate(complementaryHalfBridge, "Q3") const Q4 = instantiate(highSidePullDownBjt, "Q4") const Q5 = instantiate(highSidePullDownBjt, "Q5") const Q6 = instantiate(highSidePullDownBjt, "Q6") const J_CTRL = instantiate(controlHeader, "J_CTRL") const J_BATT = instantiate(batteryHeader, "J_BATT") const J_MOTOR = instantiate(motorHeader, "J_MOTOR") const TP_PROG = instantiate(programmingHeader, "TP_PROG") const D1 = instantiate(swdVrefIsolationDiode, "D1") const R1 = instantiate(resistor30r, "R1") const R2 = instantiate(resistor1k, "R2") const R3 = instantiate(resistor10k, "R3") const R4 = instantiate(resistor470r0402, "R4") const R5 = instantiate(resistor30r, "R5") const R6 = instantiate(resistor1k, "R6") const R7 = instantiate(resistor10k, "R7") const R8 = instantiate(resistor470r0402, "R8") const R9 = instantiate(resistor30r, "R9") const R10 = instantiate(resistor1k, "R10") const R11 = instantiate(resistor10k, "R11") const R12 = instantiate(resistor470r0402, "R12") const R13 = instantiate(resistor15k, "R13") const R14 = instantiate(resistor33k, "R14") const R15 = instantiate(resistor100k, "R15") const R16 = instantiate(resistor15k, "R16") const R17 = instantiate(resistor33k, "R17") const R18 = instantiate(resistor100k, "R18") const R19 = instantiate(resistor15k, "R19") const R20 = instantiate(resistor33k, "R20") const R21 = instantiate(resistor100k, "R21") const R22 = instantiate(resistor100k, "R22") const R23 = instantiate(resistor100k, "R23") const R24 = instantiate(resistor100k, "R24") const R25 = instantiate(resistor12k, "R25") const R26 = instantiate(resistor33k, "R26") const R27 = instantiate(resistor1k, "R27") const U1 = instantiate(tlv75533pdqnt, "U1") const U2 = instantiate(ch32v203f8u6, "U2") const tinybeeEscChannel = defineCircuit({ name: "tinybee-esc-channel", source: "projects/tinybee/circuitd/tinybee-esc-channel.ts", description: "1S CH32-based tinybee ESC channel aligned to the openwch RISC-V_ESC V203 pinout", parts: [ C1, C2, C3, C4, C5, C6, D1, J_BATT, J_CTRL, J_MOTOR, Q1, Q2, Q3, Q4, Q5, Q6, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, TP_PROG, U1, U2, ], nets: [ net( " BATTERY", pin(J_BATT, "PIN1"), pin(C3, "POS"), pin(C4, "POS"), pin(C6, "POS"), pin(Q1, "HIGH_SIDE_SOURCE"), pin(Q2, "HIGH_SIDE_SOURCE"), pin(Q3, "HIGH_SIDE_SOURCE"), pin(R4, "B"), pin(R8, "B"), pin(R12, "B"), pin(R25, "B"), pin(U1, "IN"), pin(U1, "EN"), ), net("/ADC_VOLTAGE_SENSE", pin(C5, "POS"), pin(R25, "A"), pin(R26, "B"), pin(U2, "PA1/ADC1")), net("/A_HIGH_COMMAND", pin(R2, "B"), pin(U2, "PA10/CH3")), net("/A_LOW_COMMAND", pin(R1, "B"), pin(U2, "PB1/ADC9/OP1O1/CH3N")), net("/A_HIGH_CONTROL", pin(Q4, "BASE"), pin(R2, "A"), pin(R3, "B")), net("/A_LOW_GATE", pin(Q1, "LOW_SIDE_GATE"), pin(R1, "A"), pin(R22, "B")), net("/A_P_GATE", pin(Q1, "HIGH_SIDE_GATE"), pin(Q4, "COLLECTOR"), pin(R4, "A")), net("/A_BACK_EMF", pin(R13, "A"), pin(R14, "B"), pin(R15, "A"), pin(U2, "PA5/ADC5/OP2N1")), net("/B_BACK_EMF", pin(R16, "A"), pin(R17, "B"), pin(R18, "A"), pin(U2, "PB10/OP2N0")), net("/C_BACK_EMF", pin(R19, "A"), pin(R20, "B"), pin(R21, "A"), pin(U2, "PB11/OP1N0")), net("/BACK_EMF_COMMON", pin(R15, "B"), pin(R18, "B"), pin(R21, "B"), pin(U2, "PB14/OP2P0"), pin(U2, "PB15/OP1P0")), net("/B_HIGH_COMMAND", pin(R6, "B"), pin(U2, "PA9/CH2")), net("/B_LOW_COMMAND", pin(R5, "B"), pin(U2, "PB0/ADC8/OP1P1/CH2N")), net("/B_HIGH_CONTROL", pin(Q5, "BASE"), pin(R6, "A"), pin(R7, "B")), net("/B_LOW_GATE", pin(Q3, "LOW_SIDE_GATE"), pin(R5, "A"), pin(R23, "B")), net("/B_P_GATE", pin(Q3, "HIGH_SIDE_GATE"), pin(Q5, "COLLECTOR"), pin(R8, "A")), net("/C_HIGH_COMMAND", pin(R10, "B"), pin(U2, "PA8/CH1")), net("/C_LOW_COMMAND", pin(R9, "B"), pin(U2, "PA7/ADC7/OP2P1/CH1N")), net("/C_HIGH_CONTROL", pin(Q6, "BASE"), pin(R10, "A"), pin(R11, "B")), net("/C_LOW_GATE", pin(Q2, "LOW_SIDE_GATE"), pin(R9, "A"), pin(R24, "B")), net("/C_P_GATE", pin(Q2, "HIGH_SIDE_GATE"), pin(Q6, "COLLECTOR"), pin(R12, "A")), net("/PWM_INPUT", pin(J_CTRL, "PIN1"), pin(R27, "A")), net("/PWM_INPUT_MCU", pin(R27, "B"), pin(U2, "PA0/WKUP/ADC0")), net("/OPA_ZERO_CROSS_INTERRUPT", pin(U2, "PA2/ADC2/OP2O0"), pin(U2, "PA3/ADC3/OP1O0"), pin(U2, "PA4/ADC4/OP2O1")), net("/PHASE_A", pin(J_MOTOR, "PIN1"), pin(Q1, "HIGH_SIDE_DRAIN"), pin(Q1, "LOW_SIDE_DRAIN"), pin(R13, "B")), net("/PHASE_B", pin(J_MOTOR, "PIN2"), pin(Q3, "HIGH_SIDE_DRAIN"), pin(Q3, "LOW_SIDE_DRAIN"), pin(R16, "B")), net("/PHASE_C", pin(J_MOTOR, "PIN3"), pin(Q2, "HIGH_SIDE_DRAIN"), pin(Q2, "LOW_SIDE_DRAIN"), pin(R19, "B")), net("/SWD_CLOCK", pin(TP_PROG, "PIN1"), pin(U2, "PA14/SWC/PA11/UDM")), net("/SWD_DATA", pin(TP_PROG, "PIN2"), pin(U2, "PA13/SWD/PA12/UDP")), net("/SWD_VREF", pin(D1, "A"), pin(TP_PROG, "PIN4")), net( "GND", pin(J_BATT, "PIN2"), pin(C1, "NEG"), pin(C2, "NEG"), pin(C3, "NEG"), pin(C4, "NEG"), pin(C6, "NEG"), pin(Q1, "LOW_SIDE_SOURCE"), pin(Q2, "LOW_SIDE_SOURCE"), pin(Q3, "LOW_SIDE_SOURCE"), pin(Q4, "EMITTER"), pin(Q5, "EMITTER"), pin(Q6, "EMITTER"), pin(R3, "A"), pin(R7, "A"), pin(R11, "A"), pin(R14, "A"), pin(R17, "A"), pin(R20, "A"), pin(R22, "A"), pin(R23, "A"), pin(R24, "A"), pin(R26, "A"), pin(C5, "NEG"), pin(TP_PROG, "PIN3"), pin(U1, "GND"), pin(U1, "THERMAL_PAD"), pin(U2, "GND"), ), net(" 3V3", pin(C1, "POS"), pin(C2, "POS"), pin(D1, "K"), pin(U1, "OUT"), pin(U2, "VDD")), net("unconnected-(U2-PA6{slash}ADC6{slash}OP1N1{slash}BKI-Pad20)", pin(U2, "PA6/ADC6/OP1N1/BKI")), ], }) const outputPath = path.resolve(__dirname, "generated", "tinybee-esc-channel.net") const main = () => { mkdirSync(path.dirname(outputPath), { recursive: true }) writeFileSync(outputPath, exportKiCadNetlist(tinybeeEscChannel), "utf8") process.stdout.write(`${outputPath}\n`) } if (import.meta.main) { main() } export { tinybeeEscChannel } export default tinybeeEscChannel

import { mkdirSync, writeFileSync } from "node:fs" import path from "node:path" import { defineCircuit, definePart, exportKiCadNetlist, instantiate, net, pin, } from "../../../tools/circuitd/src" const ch32v203f8u6 = definePart({ id: "CH32V203F8U6", kicadSymbol: "tinybee:CH32V203F8U6", footprint: "tinybee:QFN-20_L3.0-W3.0-P0.40-BL-EP1.7", defaultValue: "CH32V203F8U6", datasheet: "ch32-riscv-ug.github.io/CH32…", description: "144 MHz RISC-V MCU with ADCs, op-amps, advanced timers, and SWD", fields: { "LCSC Part": "C7570477", }, designNotes: [ "Power this MCU from a 3.3 V rail only; do not allow the VDD pin to see more than 3.6 V.", "Place a 100 nF decoupler immediately next to VDD and the QFN ground return, and keep that loop as short as possible.", "Put a small series resistor between PA0 and any off-board throttle or one-wire configuration signal so the MCU pin is not directly exposed at the connector.", "Keep PA13 and PA14 easy to probe and free of hard loads so SWD still works during bring-up and recovery.", "Keep PA8, PA9, PA10, PA7, PB0, and PB1 on the three phase-drive nets, and keep PA6/BKI free for a future fault or protection input.", "If you follow the openwch RISC-V ESC zero-cross scheme, tie PA3 and PA4 back into PA2 externally and reserve PA2 for that shared interrupt net.", "Route back-EMF and op-amp related pins away from phase copper, gate-drive loops, and other fast-switching nodes.", ], pins: { "PA0/WKUP/ADC0": "1", "PA1/ADC1": "2", "PA2/ADC2/OP2O0": "3", "PA3/ADC3/OP1O0": "4", "PA4/ADC4/OP2O1": "5", "PA5/ADC5/OP2N1": "6", "PA7/ADC7/OP2P1/CH1N": "7", "PB0/ADC8/OP1P1/CH2N": "8", "PB1/ADC9/OP1O1/CH3N": "9", "PB10/OP2N0": "10", "PB11/OP1N0": "11", "PB14/OP2P0": "12", "PB15/OP1P0": "13", "PA8/CH1": "14", "PA9/CH2": "15", "PA13/SWD/PA12/UDP": "16", "PA14/SWC/PA11/UDM": "17", "PA10/CH3": "18", VDD: "19", "PA6/ADC6/OP1N1/BKI": "20", GND: "21", }, }) const tlv75533pdqnt = definePart({ id: "TLV75533PDQNT", kicadSymbol: "Regulator_Linear:TLV75533PDBV", footprint: "tinybee:Texas_X2SON-4_1x1mm_P0.65mm", defaultValue: "TLV75533PDQNT", datasheet: "ti.com/lit/ds/symlink/tlv755…", description: "500mA low-dropout fixed 3.3V regulator in 1x1mm X2SON-4", designNotes: [ "Treat BATT as a 1S Li-ion or LiPo rail only; this regulator has a 5.5 V maximum input rating, so 2S or higher is out of bounds for this graph.", "Place at least 1 uF ceramic directly at IN and at least 1 uF ceramic directly at OUT; do not push those capacitors away from the package.", "Check regulator heating with (VIN - 3.3 V) * load current and add copper area if the dissipation is not comfortably safe.", "Add local input bulk when the battery lead is long or inductive so the LDO input does not absorb line spikes by itself.", "Keep EN tied to a known state at all times; if startup control matters later, break it out deliberately instead of bodging it in.", "The X2SON thermal pad is internally tied to GND; flood it into the local ground copper and do not leave the center pad floating.", ], pins: { OUT: "1", GND: "2", EN: "3", IN: "4", THERMAL_PAD: "5", }, }) const controlHeader = definePart({ id: "CTRL_IN_HEADER_1X01", kicadSymbol: "Connector_Generic:Conn_01x01", footprint: "tinybee:CTRL_PAD_1x01_Micro", defaultValue: "CTRL_IN", description: "1-pin control input wire pad for throttle signal", designNotes: [ "Use this only for the control signal.", "Ground reference is expected to be shared elsewhere in the system when this pad is in use.", "Battery power comes in through the dedicated battery wire holes, not through this control pad.", "PA0 on the CH32 is not a true FT input; treat this header as a 3.3 V logic input unless you deliberately add a real level-conditioning stage.", ], pins: { PIN1: "1", }, }) const motorHeader = definePart({ id: "MOTOR_OUT_HEADER_1X03", kicadSymbol: "Connector_Generic:Conn_01x03", footprint: "tinybee:MOTOR_PADS_1x03_Micro", defaultValue: "MOTOR_OUT", description: "3-pin motor phase wire pad group", designNotes: [ "This is the board edge interface for the three motor phases.", "Use direct wire holes here rather than a bulky 2.54 mm header footprint.", ], pins: { PIN1: "1", PIN2: "2", PIN3: "3", }, }) const programmingHeader = definePart({ id: "PROG_HEADER_1X04", kicadSymbol: "Connector_Generic:Conn_01x04", footprint: "tinybee:PROG_PADS_1x04_Micro", defaultValue: "PROG", description: "4-pin fine-pitch SWD programming header", designNotes: [ "Break out SWDIO, SWCLK, GND, and 3.3 V so the CH32 can be flashed and recovered without bodge wires.", "Keep this header free of extra loading and avoid reusing the SWD pins elsewhere until firmware bring-up is stable.", "Treat the 3.3 V pin here as target reference unless you deliberately design reverse-current-safe back-powering through the regulator path.", ], pins: { PIN1: "1", PIN2: "2", PIN3: "3", PIN4: "4", }, }) const batteryHeader = definePart({ id: "BATT_IN_HEADER_1X02", kicadSymbol: "Connector_Generic:Conn_01x02", footprint: "tinybee:BATT_PADS_1x02_Micro", defaultValue: "BATT_IN", description: "2-pin battery wire pad pair", designNotes: [ "Use this dedicated pair for battery positive and battery negative input.", "Keep the battery loop tight to the bulk capacitors and half-bridge supply entry.", ], pins: { PIN1: "1", PIN2: "2", }, }) const complementaryHalfBridge = definePart({ id: "PMCPB5530X_115", kicadSymbol: "tinybee:PMCPB5530X,115", footprint: "tinybee:DFN2020-6_L2.0-W2.0-P0.65-BL", defaultValue: "PMCPB5530X,115", datasheet: "assets.nexperia.com/document…", description: "20 V complementary N/P MOSFET half-bridge in DFN2020-6", fields: { "LCSC Part": "C552747", }, designNotes: [ "Use this complementary half-bridge only on a 1S Li-ion or LiPo rail; do not reuse the direct P-gate pull-down topology above the 1S battery range.", "With BATT limited to the 1S range, the direct P-gate pull-down swing stays inside the device gate limits and gives usable drive headroom.", "Drive the low-side N-FET gates directly from the 3.3 V timer outputs only in this 1S design; rework the stage before raising the battery voltage.", "Do not skimp on local BATT bypass; keep real ceramic bulk plus a high-frequency bypass capacitor tight to the half-bridge supply loop.", "Pour the duplicated drain pads into real copper for current and heat spreading; do not neck them down right at the package.", "Keep each gate loop short, tight, and referenced to its own source return to reduce ringing and false turn-on.", "Assume the board copper sets the real current limit; check temperature rise on the actual ESC geometry, not only the datasheet headline current.", ], pins: { LOW_SIDE_SOURCE: "1", LOW_SIDE_GATE: "2", HIGH_SIDE_DRAIN: ["3", "8"], HIGH_SIDE_SOURCE: "4", HIGH_SIDE_GATE: "5", LOW_SIDE_DRAIN: ["6", "7"], }, }) const highSidePullDownBjt = definePart({ id: "BC847BLP_7", kicadSymbol: "Transistor_BJT:Q_NPN_BEC", footprint: "Package_TO_SOT_SMD:SOT-883", defaultValue: "BC847BLP-7", datasheet: "wmsc.lcsc.com/wmsc/upload/fi…", description: "45 V, 100 mA NPN small-signal transistor in SOT-883", designNotes: [ "Use this device only as the helper pull-down for the high-side P-gate nets; do not put motor or supply current through it as a power path element.", "In this topology, keep emitter at GND, collector on the P-gate net, and drive the base through a resistor from the MCU.", "Give the base a defined pulldown so the PMOS high side stays off while the MCU is in reset or high-impedance.", "With a 470R P-gate pull-up on a 1S rail, this transistor sinks about 9 mA at full turn-on, which is still well inside the BC847BLP-7's capability.", "Check the B-E-C pin order against the footprint before layout release; small BJTs are easy to rotate or mirror by accident.", ], pins: { BASE: "1", EMITTER: "2", COLLECTOR: "3", }, }) const yageoRc0201Datasheet = "mouser.com/datasheet/2/447/R…" const kemetMlccDatasheet = "content.kemet.com/datasheets…" const defineYageoRc0201 = (mpn: string, value: string) => definePart({ id: mpn, kicadSymbol: "Device:R", footprint: "Resistor_SMD:R_0201_0603Metric", defaultValue: value, datasheet: yageoRc0201Datasheet, description: `Yageo ${mpn} 0201 1% thick-film resistor`, fields: { Manufacturer: "Yageo", MPN: mpn, Tolerance: "1%", Power: "0.05W", }, designNotes: [ "This BOM is locked to an exact Yageo RC0201FR-07 1% resistor, not a generic 0201 placeholder.", "Keep the 1% series on the back-EMF divider path so thresholds stay predictable across temperature.", "Re-check pulse and dissipation stress if the battery domain or gate network changes.", ], pins: { A: "1", B: "2", }, }) const defineYageoRc0402 = (mpn: string, value: string) => definePart({ id: mpn, kicadSymbol: "Device:R", footprint: "Resistor_SMD:R_0402_1005Metric", defaultValue: value, datasheet: "mouser.com/datasheet/2/447/R…", description: `Yageo ${mpn} 0402 1% thick-film resistor`, fields: { Manufacturer: "Yageo", MPN: mpn, Tolerance: "1%", Power: "0.063W", }, designNotes: [ "Use 0402 here where the resistor sees non-trivial continuous dissipation on the switching rail.", "Do not silently shrink these positions back to 0201 without re-checking power and temperature margin.", ], pins: { A: "1", B: "2", }, }) const defineKemetMlcc = ({ mpn, value, footprint, description, voltage, dielectric, designNotes, }: { mpn: string value: string footprint: string description: string voltage: string dielectric: string designNotes: readonly string[] }) => definePart({ id: mpn, kicadSymbol: "Device:C", footprint, defaultValue: value, datasheet: kemetMlccDatasheet, description, fields: { Manufacturer: "KEMET", MPN: mpn, Dielectric: dielectric, "Rated Voltage": voltage, }, designNotes, pins: { POS: "1", NEG: "2", }, }) const resistor30r = defineYageoRc0201("RC0201FR-0730RL", "30R") const resistor470r0402 = defineYageoRc0402("RC0402FR-07470RL", "470R") const resistor1k = defineYageoRc0201("RC0201FR-071KL", "1k") const resistor10k = defineYageoRc0201("RC0201FR-0710KL", "10k") const resistor100k = defineYageoRc0201("RC0201FR-07100KL", "100k") const resistor12k = defineYageoRc0201("RC0201FR-0712KL", "12k") const resistor15k = defineYageoRc0201("RC0201FR-0715KL", "15k") const resistor33k = defineYageoRc0201("RC0201FR-0733KL", "33k") const swdVrefIsolationDiode = definePart({ id: "RB751CS40,315", kicadSymbol: "Device:D_Schottky", footprint: "tinybee:D_SOD-882", defaultValue: "RB751CS40,315", datasheet: "nexperia.com/product/RB751CS…", description: "40 V small-signal Schottky diode in SOD-882 for isolated SWD Vref sensing", designNotes: [ "This diode lets the programming header sense the target 3.3 V rail without back-powering the TLV755 when an external tool drives Vref.", "Place it close to the programming pads, and keep the 3V3 cathode side on the board rail with the isolated anode side only on the header Vref pin.", ], pins: { K: "1", A: "2", }, }) const capacitor100nF0402 = defineKemetMlcc({ mpn: "C0402C104K4RACTU", value: "100nF", footprint: "Capacitor_SMD:C_0402_1005Metric", description: "KEMET 100nF 16V X7R MLCC, 0402", voltage: "16V", dielectric: "X7R", designNotes: [ "This exact 16 V X7R part is locked for the 100 nF bypass positions in this 1S design.", "Use it for local high-frequency bypass on BATT or V3.3; do not silently substitute a lower-voltage or poor-stability dielectric.", ], }) const capacitor100nF0201 = defineKemetMlcc({ mpn: "C0201C104K9PACTU", value: "100nF", footprint: "Capacitor_SMD:C_0201_0603Metric", description: "KEMET 100nF 6.3V X5R MLCC, 0201", voltage: "6.3V", dielectric: "X5R", designNotes: [ "Use this only for local low-voltage decoupling like the CH32 VDD bypass.", "Do not silently reuse this 0201 part on the battery rail; keep the battery-facing 100 nF positions on the 16 V 0402 part.", ], }) const capacitor1uF0402 = defineKemetMlcc({ mpn: "C0402C105K8PAC7411", value: "1uF", footprint: "Capacitor_SMD:C_0402_1005Metric", description: "KEMET 1uF 10V X5R MLCC, 0402", voltage: "10V", dielectric: "X5R", designNotes: [ "This exact 10 V X5R part is the TLV755 output capacitor and satisfies the regulator's 1 uF ceramic requirement.", "A 0402 body is acceptable here, but this is still a regulator output part, not a battery-domain bypass; do not shrink it further without checking bias derating and stability.", ], }) const capacitor22uF0805 = defineKemetMlcc({ mpn: "C0805C226M8PACTU", value: "22uF", footprint: "Capacitor_SMD:C_0805_2012Metric", description: "KEMET 22uF 10V X5R MLCC, 0805", voltage: "10V", dielectric: "X5R", designNotes: [ "This exact 10 V X5R 0805 part is the 1S battery-side bulk capacitor.", "Keep this input bulk capacitor in 0805 or larger; do not shrink it back to 0603 without re-checking effective capacitance at 1S bias.", ], }) const C1 = instantiate(capacitor1uF0402, "C1") const C2 = instantiate(capacitor100nF0201, "C2") const C3 = instantiate(capacitor100nF0402, "C3") const C4 = instantiate(capacitor22uF0805, "C4") const C5 = instantiate(capacitor100nF0201, "C5") const C6 = instantiate(capacitor22uF0805, "C6") const Q1 = instantiate(complementaryHalfBridge, "Q1") const Q2 = instantiate(complementaryHalfBridge, "Q2") const Q3 = instantiate(complementaryHalfBridge, "Q3") const Q4 = instantiate(highSidePullDownBjt, "Q4") const Q5 = instantiate(highSidePullDownBjt, "Q5") const Q6 = instantiate(highSidePullDownBjt, "Q6") const J_CTRL = instantiate(controlHeader, "J_CTRL") const J_BATT = instantiate(batteryHeader, "J_BATT") const J_MOTOR = instantiate(motorHeader, "J_MOTOR") const TP_PROG = instantiate(programmingHeader, "TP_PROG") const D1 = instantiate(swdVrefIsolationDiode, "D1") const R1 = instantiate(resistor30r, "R1") const R2 = instantiate(resistor1k, "R2") const R3 = instantiate(resistor10k, "R3") const R4 = instantiate(resistor470r0402, "R4") const R5 = instantiate(resistor30r, "R5") const R6 = instantiate(resistor1k, "R6") const R7 = instantiate(resistor10k, "R7") const R8 = instantiate(resistor470r0402, "R8") const R9 = instantiate(resistor30r, "R9") const R10 = instantiate(resistor1k, "R10") const R11 = instantiate(resistor10k, "R11") const R12 = instantiate(resistor470r0402, "R12") const R13 = instantiate(resistor15k, "R13") const R14 = instantiate(resistor33k, "R14") const R15 = instantiate(resistor100k, "R15") const R16 = instantiate(resistor15k, "R16") const R17 = instantiate(resistor33k, "R17") const R18 = instantiate(resistor100k, "R18") const R19 = instantiate(resistor15k, "R19") const R20 = instantiate(resistor33k, "R20") const R21 = instantiate(resistor100k, "R21") const R22 = instantiate(resistor100k, "R22") const R23 = instantiate(resistor100k, "R23") const R24 = instantiate(resistor100k, "R24") const R25 = instantiate(resistor12k, "R25") const R26 = instantiate(resistor33k, "R26") const R27 = instantiate(resistor1k, "R27") const U1 = instantiate(tlv75533pdqnt, "U1") const U2 = instantiate(ch32v203f8u6, "U2") const tinybeeEscChannel = defineCircuit({ name: "tinybee-esc-channel", source: "projects/tinybee/circuitd/tinybee-esc-channel.ts", description: "1S CH32-based tinybee ESC channel aligned to the openwch RISC-V_ESC V203 pinout", parts: [ C1, C2, C3, C4, C5, C6, D1, J_BATT, J_CTRL, J_MOTOR, Q1, Q2, Q3, Q4, Q5, Q6, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, TP_PROG, U1, U2, ], nets: [ net( " BATTERY", pin(J_BATT, "PIN1"), pin(C3, "POS"), pin(C4, "POS"), pin(C6, "POS"), pin(Q1, "HIGH_SIDE_SOURCE"), pin(Q2, "HIGH_SIDE_SOURCE"), pin(Q3, "HIGH_SIDE_SOURCE"), pin(R4, "B"), pin(R8, "B"), pin(R12, "B"), pin(R25, "B"), pin(U1, "IN"), pin(U1, "EN"), ), net("/ADC_VOLTAGE_SENSE", pin(C5, "POS"), pin(R25, "A"), pin(R26, "B"), pin(U2, "PA1/ADC1")), net("/A_HIGH_COMMAND", pin(R2, "B"), pin(U2, "PA10/CH3")), net("/A_LOW_COMMAND", pin(R1, "B"), pin(U2, "PB1/ADC9/OP1O1/CH3N")), net("/A_HIGH_CONTROL", pin(Q4, "BASE"), pin(R2, "A"), pin(R3, "B")), net("/A_LOW_GATE", pin(Q1, "LOW_SIDE_GATE"), pin(R1, "A"), pin(R22, "B")), net("/A_P_GATE", pin(Q1, "HIGH_SIDE_GATE"), pin(Q4, "COLLECTOR"), pin(R4, "A")), net("/A_BACK_EMF", pin(R13, "A"), pin(R14, "B"), pin(R15, "A"), pin(U2, "PA5/ADC5/OP2N1")), net("/B_BACK_EMF", pin(R16, "A"), pin(R17, "B"), pin(R18, "A"), pin(U2, "PB10/OP2N0")), net("/C_BACK_EMF", pin(R19, "A"), pin(R20, "B"), pin(R21, "A"), pin(U2, "PB11/OP1N0")), net("/BACK_EMF_COMMON", pin(R15, "B"), pin(R18, "B"), pin(R21, "B"), pin(U2, "PB14/OP2P0"), pin(U2, "PB15/OP1P0")), net("/B_HIGH_COMMAND", pin(R6, "B"), pin(U2, "PA9/CH2")), net("/B_LOW_COMMAND", pin(R5, "B"), pin(U2, "PB0/ADC8/OP1P1/CH2N")), net("/B_HIGH_CONTROL", pin(Q5, "BASE"), pin(R6, "A"), pin(R7, "B")), net("/B_LOW_GATE", pin(Q3, "LOW_SIDE_GATE"), pin(R5, "A"), pin(R23, "B")), net("/B_P_GATE", pin(Q3, "HIGH_SIDE_GATE"), pin(Q5, "COLLECTOR"), pin(R8, "A")), net("/C_HIGH_COMMAND", pin(R10, "B"), pin(U2, "PA8/CH1")), net("/C_LOW_COMMAND", pin(R9, "B"), pin(U2, "PA7/ADC7/OP2P1/CH1N")), net("/C_HIGH_CONTROL", pin(Q6, "BASE"), pin(R10, "A"), pin(R11, "B")), net("/C_LOW_GATE", pin(Q2, "LOW_SIDE_GATE"), pin(R9, "A"), pin(R24, "B")), net("/C_P_GATE", pin(Q2, "HIGH_SIDE_GATE"), pin(Q6, "COLLECTOR"), pin(R12, "A")), net("/PWM_INPUT", pin(J_CTRL, "PIN1"), pin(R27, "A")), net("/PWM_INPUT_MCU", pin(R27, "B"), pin(U2, "PA0/WKUP/ADC0")), net("/OPA_ZERO_CROSS_INTERRUPT", pin(U2, "PA2/ADC2/OP2O0"), pin(U2, "PA3/ADC3/OP1O0"), pin(U2, "PA4/ADC4/OP2O1")), net("/PHASE_A", pin(J_MOTOR, "PIN1"), pin(Q1, "HIGH_SIDE_DRAIN"), pin(Q1, "LOW_SIDE_DRAIN"), pin(R13, "B")), net("/PHASE_B", pin(J_MOTOR, "PIN2"), pin(Q3, "HIGH_SIDE_DRAIN"), pin(Q3, "LOW_SIDE_DRAIN"), pin(R16, "B")), net("/PHASE_C", pin(J_MOTOR, "PIN3"), pin(Q2, "HIGH_SIDE_DRAIN"), pin(Q2, "LOW_SIDE_DRAIN"), pin(R19, "B")), net("/SWD_CLOCK", pin(TP_PROG, "PIN1"), pin(U2, "PA14/SWC/PA11/UDM")), net("/SWD_DATA", pin(TP_PROG, "PIN2"), pin(U2, "PA13/SWD/PA12/UDP")), net("/SWD_VREF", pin(D1, "A"), pin(TP_PROG, "PIN4")), net( "GND", pin(J_BATT, "PIN2"), pin(C1, "NEG"), pin(C2, "NEG"), pin(C3, "NEG"), pin(C4, "NEG"), pin(C6, "NEG"), pin(Q1, "LOW_SIDE_SOURCE"), pin(Q2, "LOW_SIDE_SOURCE"), pin(Q3, "LOW_SIDE_SOURCE"), pin(Q4, "EMITTER"), pin(Q5, "EMITTER"), pin(Q6, "EMITTER"), pin(R3, "A"), pin(R7, "A"), pin(R11, "A"), pin(R14, "A"), pin(R17, "A"), pin(R20, "A"), pin(R22, "A"), pin(R23, "A"), pin(R24, "A"), pin(R26, "A"), pin(C5, "NEG"), pin(TP_PROG, "PIN3"), pin(U1, "GND"), pin(U1, "THERMAL_PAD"), pin(U2, "GND"), ), net(" 3V3", pin(C1, "POS"), pin(C2, "POS"), pin(D1, "K"), pin(U1, "OUT"), pin(U2, "VDD")), net("unconnected-(U2-PA6{slash}ADC6{slash}OP1N1{slash}BKI-Pad20)", pin(U2, "PA6/ADC6/OP1N1/BKI")), ], }) const outputPath = path.resolve(__dirname, "generated", "tinybee-esc-channel.net") const main = () => { mkdirSync(path.dirname(outputPath), { recursive: true }) writeFileSync(outputPath, exportKiCadNetlist(tinybeeEscChannel), "utf8") process.stdout.write(`${outputPath}\n`) } if (import.meta.main) { main() } export { tinybeeEscChannel } export default tinybeeEscChannel

Designing the first set of Material Design components was no easy feat. @Meta Design Director, @BHFong shares how she approached this challenge on the #DesignNotes podcast. Listen as she discusses the creation of the FAB and the impact of #MaterialDesign over the last decade → goo.gle/493ou3s #M10

🎧 Tune in to a special #M10 #DesignNotes podcast episode → goo.gle/3AVKK2C Google Engineering Manager Will Larche discusses his career path, the evolution of Material Design, the power of color, and how AI is shaping the future of design.

Illustrator and designer @rosenworld joins @IamLiam on this episode of #DesignNotes. Learn how she cultivates her aesthetic and career around "making mistakes on purpose." Listen now →goo.gle/3ACyLqR

On this episode of #DesignNotes, @IamLiam speaks with @david_reinfurt, founder of O-R-G! They discuss what a career in design can teach us, including learning through practice and the relationship between design and art. Give it a listen → goo.gle/4ezEX0v

🎙️ Don't miss this episode! → goo.gle/4fhgRIZ Join @IamLiam on #DesignNotes as he speaks with Aline Borges about her career transition from fashion to floral design, the power of composition, and finding the courage to pursue your passion.

#designnotes this year, I learned some of these valuable lessons the hard way while building a design system for a new AI product: 1️⃣ Design systems don’t need to be overly complex for most teams. Start with only the essential tokens, primitives, or components you need—like color, typography, buttons, and grids. 2️⃣ Provide templates, layouts, and reference screens for your design team. This approach maintains consistency more effectively than a long list of components. In fast-paced projects, especially in AI, new features get built fast, often leaving gaps in components and specific use cases. It’s more practical to establish high-level rules (e.g., grid layouts) that guide UI and layout structure. 3️⃣ Our team used components from @shadcn (which utilizes @radix_ui) as the foundation. This separation of implementation and design accelerated our development process. 4️⃣ ❌ still a challenge: improving documentation, education, and system awareness. I am seeing, in an effort to move quickly, feature teams created many custom components, not knowing there is a system to use. However, with the new templates, we're already seeing good signs change, starting with the design team. #designsystem #ui #shadcn

Definitely one of my favorite Ep. Joel also spoke at our company last week. Where he said "care is shown at small moments", and they spent a lot time thinking through small interactions across the Claude user interface when collaborating with a user. If you have been using Claude, you will notice there are many subtle micro-interactions or animations when interacting with the product - from submit button, to error banners, loading animation, artifacts... It's so goood, and product feels alive. #designnotes

Some of the most innovative ideas start with "maybe." On the latest episode of #DesignNotes, Google Global Engineering Leader, Will Larche and @IamLiam dive into the power of possibility thinking. Listen now → goo.gle/3AbNkkP

A novel commenting pattern in “A Philosophy of Software Design”: Centralized “Design notes” 1. Create a file called designNotes. 2. Reference the file in comments to avoid repeating explanations code.

Tune in. 🎧 → goo.gle/3TARA3R Join @IamLiam and @bhfong, Meta Design Director and former @MaterialDesign Lead, on this episode of the #DesignNotes podcast. Bethany shares what it was like to be a key player in the early days of #MaterialDesign. #M10

Unpack how interfaces are made, used, and understood with @iamliam and @MatiasDuarte, @GoogleDesign VP. 🎧 Listen to their discussion about the future of Google’s design approach in this episode of #DesignNotes → goo.gle/3RgjFwj

the designnotes only said 3 people TOTAL have even seen the drop so either it is ridiculously ridiculously rare, or it is only dropping on 1 server and the rest are bugged. (Theres been times where drops work on some servers and not others, so won;t be surprised it happened here)

Every Product & UX/UI designer should know these websites! 👇🏾 1. UXlibrary .org 2. UXtools .co 3. Kickassux .com 4. UXlib .org 5. UXcellence .com 6. UIUXlibrary .com 7. UIgoodies .com 8. Productdesignresources .com 9. Designnotes .co 10. UXwritinghub .com Share with others!

Every Product & UX/UI designer should know these websites! 👇🏾 1. UXlibrary .org 2. UXtools .co 3. Kickassux .com 4. UXlib .org 5. UXcellence .com 6. UIUXlibrary .com 7. UIgoodies .com 8. Productdesignresources .com 9. Designnotes .co 10. UXwritinghub .com Share with others!

Every Product & UX/UI designer should know these websites! 👇🏾 1. UXlibrary .org 2. UXtools .co 3. Kickassux .com 4. UXlib .org 5. UXcellence .com 6. UIUXlibrary .com 7. UIgoodies .com 8. Productdesignresources .com 9. Designnotes .co 10. UXwritinghub .com Share with others!

Every Product & UX/UI designer should know these websites! 👇🏾 1. UXlibrary .org 2. UXtools .co 3. Kickassux .com 4. UXlib .org 5. UXcellence .com 6. UIUXlibrary .com 7. UIgoodies .com 8. Productdesignresources .com 9. Designnotes .co 10. UXwritinghub .com Share with others!

🔗pod .link/designnotes

10) DesignNotes (design resources) Comprehensive vault of resources spanning: • UI kits • Handy plugins • Colour tools & much more → designnotes.co