The TJD CarPiHAT is designed to make interfacing your Raspberry Pi to your car, boat, truck, or any other 12V based system much easier.
This thing is PACKED with features - a 12V to 5V buck converter, safe shutdown circuitry, low current draw when off, dedicated reverse/illumination/aux 12V inputs, 2x general-purpose opto-isolated 12V inputs (5 in total), 2x high current high side switched 12V outputs (@1A), an independent CAN bus port, RTC, I2C bus, 1W for temperature sensors etc and 5V out for displays and other components.
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