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1. ESP32s3-USB-COMPOSITE-MSC-CDC ESP32s3-USB-COMPOSITE-MSC-CDC Public

   ESP32-S3 USB composite CDC + MSC example using TinyUSB and ESP-IDF 5.5.1, exposing an SPI SD card as a writable USB mass-storage drive while also providing a CDC serial console.

   C

2. LAN9645-STM32-Managed-Ethernet-Switch LAN9645-STM32-Managed-Ethernet-Switch Public

   Managed Ethernet switch platform built around the LAN9645 and STM32H743, featuring copper and SerDes ports, SPI management, RMII, LwIP, and a USB diagnostic CLI.

   C

3. SAMD21-DRV8432-Solenoid-Control-Board SAMD21-DRV8432-Solenoid-Control-Board Public

   Compact dual-solenoid control and power board featuring a SAM D21 MCU, DRV8432 drivers, protected 52 V input, and a narrow 31 × 121 mm PCB design.

4. ESP32-4-Channel-Battery-Tester ESP32-4-Channel-Battery-Tester Public

   ESP32-based four-channel smart battery charger and tester using BQ2589x controllers, ACS781 current sensors, TCA9548A I²C multiplexing, RGB status, load-based capacity estimation and real-time JSON…

   C++

5. NXP-TEF668X-Tuner NXP-TEF668X-Tuner Public

   Arduino/PlatformIO library for NXP TEF6686, TEF6687, TEF6688 and TEF6689 radio tuners: variant detection, patch/LUT upload, FM/AM tuning, audio control and status readback. Works on Uno, Nano, Mega…

   C++ 2

6. traceforge-kicad traceforge-kicad Public

   TraceForge for KiCad 10: signal-path and timing analysis, differential-pair highlighting, managed via stitching, RF via fencing, and BGA fanout through native pcbnew integration.

   Python