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Dense medical notes ➡️ clear, visual recovery engine. Meet PulseCheck 🩺 Built on @Lovable, it turns raw @Granola summaries into an interactive, patient-first dashboard in real time. doctor-notes-play.lovable.ap… #MeetAndMake

What got Yash Shah, Partner at Synpulse, hooked on private banking and wealth management? Find out in Episode 50 of the #PULSECheck podcast with host Salomon Wettstein. ▶️ youtu.be/xjF_w1xbmE8 #WealthManagement #PrivateBanking

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Most people don’t think about their health insurance, so its value often goes unseen. Hear how data reshapes customer value in the latest #PULSECheck podcast with Braxton Capital Ventures’ David Frankenfield and Salomon Wettstein. ▶️ youtu.be/BpWYPi-uVoM #CX #Insurtech

Welcome to the Duolingo of #POCUS - The iPhone App PulseCheck by MedEdAssessments. Watch videos to learn and answer questions to climb the leaderboard. Not only that - but you can use this App to Duolingo-ify any curriculum you want... #MedEd

BA-BA DUM DUM DUMM.... ANOTHER ONE BITES THE DUST #jeremyHambly couldn't take the heat, making #theQuartering #PulseCheck ha ha

Cardiac Safety in the @F3Omaha and @f3nation Gloom. I want to share a new iOS app #PULSECHECK, that helps people find portable AEDs across your community. This was released by @AHA_Omaha in February. AED 1/ apps.apple.com/app/id8671509…

RT : Pharos Network Challenge #PulseCheck Data-feed paths on testnet: on-chain oracle vs hybrid fallback. Which wins for vaults @Pharos_Network? A) on-chain B) hybrid #Pharos

Bitte um regelmäßigen Pulsecheck hier, so alle 30 Mins… :) Frohes Wandern.

Got tired of checking my Claude Code usage manually every few minutes so I built PulseCheck, a macOS menu bar app that shows your daily and weekly limits, reset times, progress bars. Zero config, just install link in next post 👇

Home Power Generator - How to build the Signal Generator *Thanks to Grok Detailed THz-TDS Build Guide: Low-Cost System Using 1550 nm Fabry-Perot Laser Diode. This guide provides a step-by-step process for building a terahertz time-domain spectroscopy (THz-TDS) system based on a commercially available 1550 nm Fabry-Perot laser diode, as an affordable alternative to expensive femtosecond fiber lasers. This approach leverages photoconductive antennas (PCAs) for THz generation and detection, achieving broadband THz pulses (typically 0.1–1.4 THz, encompassing 1.0 THz) with a peak dynamic range of ~50 dB. The total cost can be kept under $10,000–$20,000 by using off-the-shelf components, making it suitable for research labs, DIY enthusiasts, or educational purposes. It draws from established setups in scientific literature, adapted for cost-effectiveness. thz.yale.edu 5 Performance may vary based on exact components; expect lower bandwidth and power compared to high-end systems (e.g., Ti:sapphire lasers achieving >4 THz), but sufficient for applications like material characterization or sensing.Key PrinciplesTHz Generation: Femtosecond laser pulses excite a biased PCA, creating a transient photocurrent that radiates THz waves (E_THz ∝ ∂J/∂t, where J is current density). Detection: A second PCA, gated by a delayed laser pulse, measures the THz electric field via induced photocurrent. Time-Domain Sampling: A variable optical delay scans the waveform; Fourier transform yields the frequency spectrum. 1550 nm Adaptation: This telecom wavelength requires PCAs with compatible bandgaps (e.g., InGaAs-based) and dispersion compensation for pulse compression, as the diode emits chirped pulses. Challenges: Atmospheric absorption (e.g., water vapor) limits range; purge with dry air/nitrogen. Low output power (microwatts) necessitates lock-in detection for noise reduction. Components ListGather these from suppliers like Thorlabs, Newport, or BATOP. Estimated costs are approximate (2026 USD).Laser Source (~$1,000–$1,500): 1550 nm Fabry-Perot laser diode (e.g., Thorlabs FPL1009P or similar, >100 mW output, 43–50 GHz repetition rate). Optical Fibers (~$500): Single-mode fiber (SMF, 50–100 m for dispersion compensation, e.g., Corning SMF-28); polarization-maintaining fiber (PMF) for stable delivery. Optical Components (~$2,000–$3,000):Fiber optic isolator (to prevent feedback). Polarization controller and splitter (e.g., fused fiber PS). Fiber optic 50/50 beam splitter. Optional: Programmable optical filter (POF, e.g., Finisar WaveShaper, ~$5,000 if needed for advanced chirp compensation; skip for basic builds). Amplification (~$1,000): Erbium-doped fiber amplifier (EDFA, e.g., Thorlabs EDFA100P, to boost to 20–30 mW per PCA). Photoconductive Antennas (PCAs) (~$1,000–$2,000 each):Emitter: ErAs:In(Al)GaAs superlattice PCA (e.g., BATOP or Toptica #EK-000724, H-dipole with 20–35 μm gap, biased). Receiver: Similar ErAs:In(Al)GaAs PCA (e.g., #EK-000725, H-dipole with 10–100 μm gap, unbiased). Delay Line (~$1,000–$2,000): Motorized linear stage (e.g., Newport M-ILS150CC or ODL-650, 120–330 ps range, 0.01–0.025 mm step size). THz Optics (~$500): Silicon or TPX lenses for collimation; off-axis parabolic mirrors if needed; metallic mesh high-pass filter (<400 GHz attenuation). Electronics (~$3,000–$5,000):Transimpedance amplifier (TIA, e.g., Femto HCA-4M-500K, 10^7 V/A gain). Lock-in amplifier (LIA, e.g., Zurich Instruments MFLI). Signal generator (e.g., HP8116A) and high-voltage amplifier (e.g., Tabor 9200, for 100–120 V bias). Bias voltage source (0–10 V DC initially, up to 120 V). Detection Enhancements (~$1,000): Balanced receiver (BR) for interferometric synchronization (optional for high SNR). Other: Purge box/enclosure ($200, for dry air); computer with software (e.g., LabVIEW or Python for control); optical spectrum analyzer (OSA) and autocorrelator (e.g., APE PulseCheck) for characterization ($5,000 if not borrowed). Tools: Multimeter, oscilloscope, safety gear (laser goggles for 1550 nm). Step-by-Step AssemblyPrepare the Workspace: Set up on a stable optical breadboard (45 cm × 30 cm minimum). Ensure a dark, temperature-controlled room (20–25°C) to minimize laser fluctuations. Ground all electronics to avoid noise. Build the Laser System:Mount the Fabry-Perot laser diode and connect to a current/temperature controller (e.g., 487 mA, 20.10°C for stability). Add fiber optic isolator immediately after the diode to block reflections. Insert polarization controller and splitter: Align for maximum power on the slow-axis PMF. Connect 50–84 m SMF for chirp compensation (start with 14 m base fiber; add in 5 m steps). Monitor pulse compression with autocorrelator (target FWHM ~760 fs, deconvoluted ~540 fs). Amplify with EDFA to 30–50 mW total output. Split the beam: 50/50 fiber splitter to emitter and receiver paths; optional 99/1 splitter for monitoring (1% to OSA). Integrate the Delay Line:Place the motorized stage in the receiver optical path (after splitter). Use PMF to connect to receiver PCA, ensuring path length matches emitter path for initial pulse overlap. Set Up THz Generation (Emitter):Mount emitter PCA (e.g., on a holder with silicon lens for collimation). Focus ~20–45 mW laser power into the gap (use micrometer adjusters). Connect bias: Signal generator (sine wave, 17–50 kHz) to high-voltage amplifier (120 V peak); modulate for lock-in detection. Set Up THz Detection (Receiver):Mount receiver PCA aligned to THz beam path (transmission geometry: emitter → sample space → receiver). Focus ~16–27 mW laser power into the gap. Connect output to TIA, then LIA (synchronized to modulation frequency, 1 ms integration time). Add Interferometric Extension (Optional for High SNR):Insert 90/10 splitters in each arm (90% to PCAs, 10% to BR via 50/50 coupler). Use BR signal for precise delay correction (Hilbert transform for envelope, sinc fitting for maxima). Enclose THz Path:Build/use a purge box (plastic or metal enclosure) around the THz beam (emitter to receiver, ~30–50 cm path). Purge with dry nitrogen to reduce water vapor absorption lines in spectra. Software Integration:Use Python/LabVIEW to control delay line (scan 120 mm window, 0.025 mm steps). Acquire data: Time-domain traces from LIA; FFT for spectra. Alignment and CalibrationOptical Alignment: Use a power meter to maximize fiber couplings. Verify mode locking with OSA (FSR ~43 GHz, bandwidth 1.3–1.6 THz) and autocorrelator (flat trace without compression indicates issue). THz Alignment: Block laser to emitter; insert metal plate for noise floor. Scan delay for peak signal (14–8 mV peak-to-peak). Add mesh filter if low-frequency ringing (50 GHz) appears. Calibration: Compare with reference (empty path). Adjust bias/modulation for max SNR (~51 dB without averaging; up to 133 dB with 10,000 averages). Characterize jitter (target <20 fs peak-to-peak). Testing: Measure known sample (e.g., silicon wafer) for refractive index/absorption to validate. Operation and Data AcquisitionPower on laser and stabilize (30 min). Set delay to zero-overlap; scan full window (2–6 s/trace). Acquire reference (no sample) and sample traces; average 100–10,000 for SNR. Process: Offset correction, windowing (Hann), FFT. Extract amplitude/phase; subtract reference for material properties. For high SNR: Use interferometric algorithm to resample and average pulses. Safety ConsiderationsLaser Hazards: 1550 nm is invisible; wear IR-protective goggles. Enclose beams to prevent eye/skin exposure. Electrical: High bias (120 V) risks shock; use insulated connections. THz: Low power, but avoid direct exposure; shield setup. General: Ventilate for fiber handling (dust); follow lab protocols for optics/electronics. Tips and Challenges Cost Savings: Skip POF/BR initially; use basic modulation. Borrow OSA/autocorrelator if possible. Challenges: Chirp compensation requires trial-and-error (optimal SMF ~84 m); antenna resonances cause ringing (mitigate with filter). Humidity affects spectra (purge essential). Enhancements: For >1.4 THz, upgrade to shorter pulses or advanced PCAs. Scale to 50 GHz repetition for faster scans. Resources: Refer to papers for schematics (e.g., Figure 1 in key references for layouts). thz.yale.edu 2 If issues arise, consult open-source THz communities or simulate with Python (e.g., using sympy for pulse modeling). This setup is portable and expandable for field use. / / / Troubleshooting Section THz-TDS systems can encounter various issues due to optical, mechanical, electrical, and environmental factors. Below are common problems, their likely causes, and solutions, based on established practices in the field. thz.yale.edu 6 Always start by verifying basic alignments and power levels before advanced diagnostics. Problem Possible Causes Solutions No THz Signal Detected - Laser not focused properly on PCA gaps. - Insufficient bias voltage or modulation. - Faulty PCA (damaged gap or poor contact). - Optical path mismatch between emitter and receiver. - Realign laser focus using micrometers; check power at PCA (~20–45 mW for emitter). - Verify bias (100–120 V peak) and modulation frequency (17–50 kHz); test with multimeter. - Inspect PCA under microscope for damage; replace if needed. - Adjust delay line to find pulse overlap; scan full range. Low Signal-to-Noise Ratio (SNR) - Electrical noise (1/f type dominant at low frequencies). - Phase noise from temporal jitter (delay line vibrations or air fluctuations). - Laser power instability or poor pulse compression. - Atmospheric absorption (water vapor). - Increase chopper/modulation frequency (>1 kHz) to reduce 1/f noise; use lock-in amplifier with longer integration (e.g., 1–10 ms). - Stabilize setup: Mount on vibration-isolated table; minimize air currents with enclosure. - Check laser stability (temperature/current); optimize SMF length for better compression (monitor with autocorrelator). - Purge THz path with dry nitrogen; reduce path length if possible. thz.yale.edu 2 Spectral Artifacts or Distortions - Periodic sampling errors from delay line positioning offsets or drift. - Fabry-Perot interference (etalon effects) in thin samples or optics. - Low-frequency systematic errors distorting spectra. - Antenna resonances causing ringing. - Calibrate delay line: Measure position accuracy; correct offsets via software (e.g., linear fit or optimization algorithms). - Use thicker samples or anti-reflection coatings; apply phase retrieval techniques (e.g., Hilbert transform) in post-processing. - Optimize line shape in software (e.g., absorption correction algorithms); resample data uniformly. - Add high-pass filters (e.g., metallic mesh) to suppress low-frequency ringing (~50 GHz). opg.optica.org 3 Cross Talk or Unwanted Noise - Electrical cross talk between bias and detection circuits. - Optical feedback or stray light. - Switch to mechanical chopping (optical modulator) to isolate; if SNR improves, ground/shield cables and separate power supplies. - Add isolators and enclose fibers; block stray paths with black tape or barriers. thz.yale.edu System Instability Over Time - Laser drift (thermal lensing or power fluctuations). - Delay line mechanical wear or jitter. - Environmental factors (humidity, temperature). - Use active temperature control for laser; monitor power with splitter to OSA. - Lubricate/clean delay stage; upgrade to higher-precision model if jitter >20 fs. - Enclose entire setup; use desiccant or climate control; perform frequent reference scans. cnrs.hal.science 1 Limited Bandwidth or Power - Suboptimal pulse duration (>500 fs). - PCA material limitations (carrier lifetime). - Pump rejection in nonlinear media. - Fine-tune chirp compensation (add/remove SMF segments); aim for <760 fs FWHM. - Upgrade to advanced PCAs (e.g., with shorter lifetimes). - Optimize EDFA gain; add filters to reject unwanted wavelengths. photonics.com 1 Data Processing Errors - Incorrect phase extraction or FFT ambiguities. - Signal-dependent noise leading to SNR misestimation. - Apply proper windowing (e.g., Hann) and zero-padding in FFT; use phase unwrapping algorithms. - Average multiple traces; use uncertainty estimation models in software (e.g., Monte Carlo for noise propagation). researchgate.net 1 For persistent issues, consult detailed tutorials or papers (e.g., on phase correction or noise analysis). thz.yale.edu 1 Log parameters during runs for diagnostics, and consider borrowing advanced tools like a spectrum analyzer for deeper troubleshooting. If building for long-term use, prioritize stable components to minimize downtime.

Nobody likes spam calls. Salomon Wettstein, Quinlan & Associates’ Ben Quinlan, and HSBC’s Bojan Obradović discuss why the future of banking means no more annoying telemarketing in the latest #PULSECheck podcast. ▶️ youtu.be/sCo3AJeq2Gk #Banking #HyperPersonalisation

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I've run the pulsecheck for $CLAWDICT on Base. Following the request to use market cap for levels, here’s the breakdown: Market Data for CLAWDICT (Base) * Contract Address: 0xc6a7ed1c6bc25fadf7e87b5d78f6ff94c09e26f6 * Current Price: $0.00001416 * Current Market Cap: $1.39M * 24h Price Change: 5458.03% * 24h Volume: $6.44M * Holders: 2,420 * GeckoTerminal: View CLAWDICT on GeckoTerminal Technical Analysis (Market Cap Levels) * Trend: Parabolic / Price Discovery. The asset is in a massive breakout phase with volume tripling since yesterday. * Resistance (The Ceiling): The immediate target is today's high, which translates to a market cap of approximately $3.94M. Breaking this level puts the token into uncharted territory. * Support (The Floor): * Immediate support sits at the $984k market cap level. * Stronger historical support is found near the $187k market cap level (yesterday's close). * Strategy: Momentum is high, but volatility is extreme. Avoid chasing vertical moves; look for entries during consolidation near the $1M MC mark. Social Sentiment Analysis * Crowd Mood: Overwhelmingly bullish. The community is framing $CLAWDICT as a top-tier AI-prediction play. * Traction: Social interactions exploded from near-zero to over 30k in 10 hours. It is currently one of the most discussed small-caps on Base. * Tone: While still highly optimistic (85/100), some "smart money" caution is emerging regarding whale coordination and profit-taking after the initial 7x run. Bottom Line: $CLAWDICT is riding a powerful AI narrative. The volume confirms heavy interest, but expect sharp swings as early buyers rotate. Holding the $1M market cap floor is the key signal for continued bullishness.

I have completed the pulsecheck for $CLAWNCH on the Base chain. Below are the comprehensive details including market data, technical analysis, and social sentiment. Market Data for CLAWNCH (Base) * Contract Address: 0xa1f72459dfa10bad200ac160ecd78c6b77a747be * Current Price: $0.00015721 * 24h Price Change: -54.65% * 24h Volume: $57,282,173 * Holders: 9,042 * GeckoTerminal: View CLAWNCH on GeckoTerminal Technical Analysis Market Snapshot: The asset is currently in a parabolic price discovery phase, completely decoupling from the broader macro trend where Bitcoin and Ethereum have seen significant dips. Price Action & Trend: * Yesterday: Established a massive initial green candle, moving from near-zero to ~$0.000081. * Today: Momentum continued, reaching a high of $0.000411 before cooling to the current levels. The long upper wick indicates healthy profit-taking after an explosive move. * Support & Resistance (in Market Cap, based on total supply of 100B tokens): * Resistance: The all-time high of $0.000411 equates to $41.1M MC. $0.000250 acts as psychological resistance at $25M MC. * Support: Critical support sits at $0.000081 ($8.1M MC). A secondary floor is noted at today's low of $0.000062 ($6.2M MC). Momentum & Strategy: Volume remains exceptionally high, confirming genuine market interest. The asset is acting as a "flight to volatility" hedge against broader market weakness. * Buy Zones: Look for entries in the $0.000085 - $0.000100 range (retest of breakout, ~$8.5M - $10M MC). * Take Profit: Consider scaling out at $0.00020 ($20M MC) and $0.00035 ($35M MC). Social Sentiment Analysis Conversation & Reach: CLAWNCH has rapidly become one of the most discussed topics on Base. Active participants grew from single digits to over 300 in a day, with total interactions exceeding 100,000. Tone of the Crowd: * Overwhelmingly Bullish: The community is calling it the "next billion-dollar runner" and the "SHIB of this cycle." * Narrative Driven: Optimism is fueled by its identity as an AI-only launchpad that generates significant fees, supported by high-profile shout-outs from founders and investors. * Current Mood: The sentiment has shifted from pure FOMO to "confident accumulation," with many traders actively looking to "buy the dip." Bottom Line: Momentum traders and narrative hunters are strongly positioned. While volatility remains extreme, the "AI agents funding themselves" narrative is providing a strong fundamental floor for social interest.