2 layers41.5 × 36 mm

Iso9141-interface
brucemack/iso9141-interface
KiCad project for an IS0-9141 interface between a car and a micro-controller (ODB2)
24 parts11GPL-3.0
KiCad boards from 2 GitHub repositories tagged “kline”, the most starred first; open any of them in PCBKit.

brucemack/iso9141-interface
KiCad project for an IS0-9141 interface between a car and a micro-controller (ODB2)

ssjrocks/cyd-obd-adapter
Open low-level OBD-II adapter: ESP32 with HS-CAN, single-wire CAN, flex CAN, 2x K-line, L-line and pin voltage probes, exposed over BT Classic, BLE, WiFi and USB as a raw proxy. KiCad 10, JLCPCB-ready.

brucemack/iso9141-interface
KiCad project for an IS0-9141 interface between a car and a micro-controller (ODB2)