Pinned Loading

1. scoppy-rp2040-pcb scoppy-rp2040-pcb Public

   4-layer RP2040 mixed-signal measurement PCB - KiCad layout, hand assembly, hardware bring-up and USB fault isolation.

2. sunnypro-electrical-system sunnypro-electrical-system Public

   STM32H743 electrical architecture and KiCad schematic design for sensing, heating, motion control and protected multi-rail power.

3. low-noise-microphone-preamplifier low-noise-microphone-preamplifier Public

   Low-noise 5 V electret microphone preamplifier with adjustable 30–40 dB gain, OPA1652 analog front end, KiCad PCB design, and LTspice validation.