@OpenRtx profile picture
OpenRTX @OpenRtx
Joined March 2021
  • Tweets 219
  • Following 64
  • Followers 2,321
49 Photos and videos
Pinned Tweet
OpenRTX@OpenRtx
15 Aug 2022
You can receive and transmit M17 from your MD-380 or MD-UV380. Mod your radio following this guide: openrtx.org/#/M17/m17 And install the latest OpenRTX nightly as explained here: openrtx.org/#/user_guide Let us know how it goes! 😁 @m17_project

5
20
52
OpenRTX@OpenRtx
28 Dec 2025
For those of you who are at 39C3, tomorrow there will be an OpenRTX meetup! Come chat with Silvano IU2KWO and other OpenRTX devs and users. events.ccc.de/congress/2025/…

[39c3] OpenRTX Meetup

OpenRTX community meetup

events.ccc.de
1
1
325
OpenRTX@OpenRtx
28 Sep 2025
For those wanting to participate, OpenRTX is among the projects registered for the Hacktoberfest! finder.usmans.me/repos/c?q=O… #hamradio #foss #Hacktoberfest
2
412
OpenRTX@OpenRtx
13 Jan 2025
We will hold an OpenRTX hackathon at Brussels Hackerspace on Friday, January 31 just before FOSDEM. If you’re interested, let us know at: info@openrtx.org openrtx.org/#/hackathon #FOSDEM #ham #hamradio #hacking #opensource #foss

1
3
6
1,172
OpenRTX@OpenRtx
29 Sep 2024
mastodon.radio/@k8tun/113219…
Picture of a keyboard with an OLED display showing the OpenRTX logo.

ALT Picture of a keyboard with an OLED display showing the OpenRTX logo.

1
4
1,028
OpenRTX@OpenRtx
9 Sep 2024
OpenRTX now supports combined spectrum waterfall on Talkpod A36Plus thanks to @k8tun! This feature will also be ported to our other targets.
 #hamradio #foss #hacking #openrtx
0:12
9
30
2,609
OpenRTX retweeted
M17 Project@m17_project
5 Sep 2024
M17/@OpenRtx team leaders - Wojciech SP5WWP and Silvano IU2KWO with our Japanese friends at JARL Ham Fair 2024, Tokyo, Japan 🇯🇵 Special thanks for Yamamoto-san @JA3QWG - M17 Ambassador @IARU_R1 @IARU_R2 @IARU_R3_APAC @sylvain_azarian - see you in Paris in a few days! @ARDC_73
13
50
2,603
OpenRTX@OpenRtx
6 Sep 2024
OpenRTX now officially supports the Talkpod A36plus MAX, thanks to the contribution of @k8tun@mastodon.radio! talkpod.com/blogs/blog/openr…
Picture of a Talkpod A36plus MAX handy talky, with the OpenRTX logo on the screen.

ALT Picture of a Talkpod A36plus MAX handy talky, with the OpenRTX logo on the screen.

2
6
25
2,994
OpenRTX retweeted
M17 Project@m17_project
21 Mar 2024
Ladies and gents - the Micro17, ICOM version. UT-126H replacement running @OpenRtx with M17 support. Designed by Mutlu TA1MD, @Manoel_ON6RF, Wojciech SP5WWP et al. GH: github.com/M17-Project/Micro… ^SP5WWP
9
38
154
9,636
OpenRTX retweeted
LILYGO
@lilygo9
1 Feb 2024
T-TWR V2.1 version has been updated.
0:41
11
44
331
23,208
OpenRTX@OpenRtx
24 Dec 2023
Thanks to our community, OpenRTX is coming to the Radtel RT-890! This is an incredibly affordable radio that is ready to be modded. mastodon.radio/@k8tun #hamradio #foss ALT: Video clip showing a Radtel RT-890 handheld radio that displays OpenRTX boot screen.
0:09
4
7
53
3,192
OpenRTX retweeted
ARISS - Amateur Radio on the ISS
@ARISS_Intl
10 Nov 2023
Replying to @m17_project @OpenRtx @goodgame_K5ATA @RF2Space @ailunce
Thanks for tagging us. Our engineering team is aware of the project and they are evaluating.
2
6
1,755
OpenRTX@OpenRtx
20 Oct 2023
Almost one year after the latest release, we just tagged OpenRTX v0.3.6 🎉, including full support for @m17_project, Module17 and @lilygo9 TTWR Plus! Check it out here: github.com/OpenRTX/OpenRTX/r…
Screenshot of the changelog from GitHub for the v0.3.6, below the content: M17: implemented transmission of the EOT frame before closing a transmission. M17: showing stream info on screen during reception. M17: implemented check for CAN match in RX. Set up a dedicated UI for Module17. Added support for Module17 hardware revision 0.1e. Reorganized the audio path and audio stream subsystem. Corrected the conversion law for volume level in MDx devices. Added transmission of 1750Hz squelch tone to MDx and GDx. Added icons to UI. Added screen lock to radio UI. Support for a new target: Lilygo TTWR-plus. Bugfix and improvements.

ALT Screenshot of the changelog from GitHub for the v0.3.6, below the content: M17: implemented transmission of the EOT frame before closing a transmission. M17: showing stream info on screen during reception. M17: implemented check for CAN match in RX. Set up a dedicated UI for Module17. Added support for Module17 hardware revision 0.1e. Reorganized the audio path and audio stream subsystem. Corrected the conversion law for volume level in MDx devices. Added transmission of 1750Hz squelch tone to MDx and GDx. Added icons to UI. Added screen lock to radio UI. Support for a new target: Lilygo TTWR-plus. Bugfix and improvements.

2
12
40
5,661
OpenRTX@OpenRtx
23 Sep 2023
Our fellow contributor tarxvf is the creator and maintainer of dmr.tools/ and would like some feedback on it. Please fill in this 6-question survey if you've used it! forms.gle/5Paw6M6Mn1iEUcYh6 And don't forget to star his repo: github.com/tarxvftech/progra…
1
9
1,754
OpenRTX@OpenRtx
21 Sep 2023
Support for T-TWR Plus is now merged in our main branch! The radio can Tx and Rx in FM, even the GPS is working! Future updates will bring Bluetooth LE KISS TNC capabilities to enable sending APRS packets! @lilygo9 @aprsfi @APRSdroid #hamradio #amateurfunk #foss
Picture of a LILYGO T-TWR Plus radio standing on a bookshelf showing the OpenRTX about screen with the main authors’ names.

ALT Picture of a LILYGO T-TWR Plus radio standing on a bookshelf showing the OpenRTX about screen with the main authors’ names.

3
21
102
15,701
OpenRTX@OpenRtx
29 Jul 2023
Pietro designed a beautiful and functional 3D printable case for the T-TWR Plus. Firmware development is going fast, so pretty soon we'll have a complete M17-enabled radio! @lilygo9 @m17_project
Pietro Tordini@PietroTordini
28 Jul 2023
New body for the T-TWR Plus and the M17 and OpenRTX Project. It’s printable without supports It’s tool less to instal It takes no time to open up to tinker with the board, and even less to close it back! Repository with the files here tomorrow :)
0:59
0:31
2
9
43
5,651
OpenRTX@OpenRtx
18 Jul 2023
T-TWR Plus Open Edition running OpenRTX. This platform will be able to modulate arbitrary digital protocols, including M17 without hardware mods! ESP32 has Bluetooth and Wi-Fi, so there is great potential for experimentation 🚀 @lilygo9 @m17_project
Picture of a LILYGO T-TWR Plus Open Edition on a dark background, lit by an RGB rainbow light, showing OpenRTX splash screen.

ALT Picture of a LILYGO T-TWR Plus Open Edition on a dark background, lit by an RGB rainbow light, showing OpenRTX splash screen.

7
17
90
9,096
OpenRTX@OpenRtx
11 Jul 2023
First Hello World by OpenRTX built with Zephyr RTOS! 🎉🎉🎉 This will enable T-TWR and Quansheng UV-K5 ports!
Screenshot of Zephyr serial console saying "ciao da OpenRTX su Zephyr!", from italian "hello from OpenRTX on Zephyr!".

ALT Screenshot of Zephyr serial console saying "ciao da OpenRTX su Zephyr!", from italian "hello from OpenRTX on Zephyr!".

2
4
21
2,640
OpenRTX@OpenRtx
20 May 2023
From today, G-NiceRF is producing SA868 “open edition”, this variant is blank and can be reprogrammed freely to enable M17 and other digital modes! UHF: a.aliexpress.com/_mP5z5EG VHF: a.aliexpress.com/_mNLKxyC All our gratitude goes to Amo BD4VOW! 🙏
Picture of two SA868 modules, they have a metal RF cage on top and a blue pcb on the bottom with castellated pads.

ALT Picture of two SA868 modules, they have a metal RF cage on top and a blue pcb on the bottom with castellated pads.

6
7
54
6,634
OpenRTX@OpenRtx
14 May 2023
New week, new hardware! IU3POA has created BB Hat, a hat for the STM32 BlackBoard that runs OpenRTX and can (de)modulate M17 when combined with an analog radio! Bonus: all the components are through-hole so this one is easy to source, solder and hack! @M17project #hamradio #foss
Picture of BB Hat, an add-on for the STM32 Black Board that includes a display and keys, that show the OpenRTX about screen, as well as all the passives needed to interface with an analog radio. A red LED is lit on the board.

ALT Picture of BB Hat, an add-on for the STM32 Black Board that includes a display and keys, that show the OpenRTX about screen, as well as all the passives needed to interface with an analog radio. A red LED is lit on the board.

1
7
37
2,009
OpenRTX@OpenRtx
3 May 2023
We ❤️ Open Source, and not only on radio firmware! That's why we just joined Mastodon. Our updates will be cross-posted, so you can get them on the platform you prefer! Follow us on Mastodon: mastodon.radio/@openrtx

OpenRTX (@openrtx@mastodon.radio)

49 Posts, 157 Following, 537 Followers · Free and Open Source Firmware for Digital Ham Radios Reach out on Matrix: https://matrix.to/#/#openrtx:matrix.org

mastodon.radio
6
1,196
Load more