2 layers130 × 115 mm

Obd2-simulator
FilipRaic/obd2-simulator
Open-source OBD-II simulator board: emulates a vehicle ECU per SAE J1979 and ISO 15031-5 over CAN. ESP32-S3 + MCP2515, 21 simulated parameters, DTC bank with MIL.
107 partsMIT
Boards in 2 GitHub repositories, designed in KiCad, that use the TS3USB221RSE by Texas Instruments (-40℃~+85℃ 1.1GHz 10ns 17ns 2.3V~3.6V 250ps 2:1 6pF 6Ω USB UQFN-10(1.5x2) Analog Switches - Special Purpose ROHS). See how each wires it, with its parts, size, README and files; the TS3USB221RSE’s symbol, footprint and pinout are on its own page.

FilipRaic/obd2-simulator
Open-source OBD-II simulator board: emulates a vehicle ECU per SAE J1979 and ISO 15031-5 over CAN. ESP32-S3 + MCP2515, 21 simulated parameters, DTC bank with MIL.
