u/braquemart

Image 1 — I've reflowed my first PCB!
Image 2 — I've reflowed my first PCB!
Image 3 — I've reflowed my first PCB!
Image 4 — I've reflowed my first PCB!
Image 5 — I've reflowed my first PCB!
▲ 91 r/PCB

I've reflowed my first PCB!

And definitely got a tear in my eye when the debugger was able to communicate with the mcu 🥳

How does it look? There are these weird looking white dots in the middle of the pads, is that normal?

u/braquemart — 3 days ago
▲ 6 r/PCB

[Review Request] AN54LQ-15 (nRF54L15) breakout

Hi everyone,

I designed a breakout board for the Raytac AN54LQ-15 module (nRF54L15-based). It's part of a hobbyist project.

What it does:

  • Breaks out all GPIO pins to 2× 17-pin 2.54 mm headers
  • SWD debug header (J5)
  • Reset button

Stack: 2-layer, most SMD will be assembled by PCBA , MCU module soldered by hand with a hotplate.

I'm looking for feedback, things I did wrong or overlooked.

Thanks!

Edit : specs can be found here https://www.raytac.com/document/index.php?index_m_id=28

u/braquemart — 2 months ago
▲ 15 r/WLED

[Project] Custom 6-channel WLED controller PCB with ThermalGuard usermod

Hello !

I just wanted to shared this project because I'm proud of it and it took me a million hours to do ! Ok, I may exaggerate a tiny bit !

Hardware:

  • Supports 5V, 12V and 24V LED strips
  • TPS5430 buck converter (12-24V-> 5V, up to 3A)
  • 74AHCT541 for 3.3V-> 5V level shifting on all 6 outputs (8 channels capable)
  • Fuse + flyback diode on every channel
  • DS18B20 thermal sensor
  • Relay to cut power to strips entirely ( handles up to 30A total)
  • Supports ESP32-C3 (2 strips) or ESP32-S3 (all 6)
  • Designed in KiCad, fab'd at JLCPCB
  • Custom ABS 3D printed enclosure for both the PCB and PSU

Software — ThermalGuard usermod:

I wrote a custom usermod that automatically manages brightness based on temperature, no Home Assistant or external automation needed. It triggers WLED presets (or sets brightness directly) based on configurable thresholds:

  • < 50°C → Normal
  • 60°C → Throttle
  • 70°C → Off

Hysteresis on every transition to avoid flickering. All thresholds and presets configurable directly from the WLED UI.

Lots of improvements to be made on the PCB itself for the next version. I also need to learn and improve on cable management !

The setup shown below has 700+ leds.

Thanks a lot to all the people who make and maintain WLED and everyone who post their setup, this is a been huge source of inspiration and motivation ❤️

https://reddit.com/link/1twcsyz/video/kzxh6gi3u65h1/player

https://preview.redd.it/xwj37ak4u65h1.jpg?width=2252&format=pjpg&auto=webp&s=c18cb77b84aa0b849ecb7a54398273b6af159212

https://preview.redd.it/xfbsw9k4u65h1.jpg?width=2992&format=pjpg&auto=webp&s=b287c28a936e88c437e28bc28246b258207d6dfc

https://preview.redd.it/hbrkhak4u65h1.jpg?width=2992&format=pjpg&auto=webp&s=df2feef50069f217f31f64ecee04363f93787e70

https://preview.redd.it/5m26bgluw65h1.jpg?width=1080&format=pjpg&auto=webp&s=9b7588b656fa630a5ca0e9f1544d75517c833d1c

reddit.com
u/braquemart — 3 months ago
▲ 63 r/PCB

Received and soldered my first custom PCB 🎉

It's 2oz copper pour so had to step up my soldering game but this is so fun!

Extra point because it works and did not go in flames 😁

u/braquemart — 4 months ago