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This is an interface shield for the common ESP32 development board ESP32-devkitc, or similar and cheap form factor ESP32-goo.
- The interface or connectivity includes:
- CAN interface
- RS-485 interface
- One channel high-load driver (customizable for two channels)
- The shield also provide up to 18V/2A power supply 5V to main ESP32 board.
- Lead out all the extras pins on the side.
- The CAN interface TXD/RXD -> IO23 / IO22
- The RS-485 interface default TXD/RXD -> IO17/IO16 (UART1)
- Tested with espsoftwareserial arduino library. Or the sketch here.
- Can be connected to hardware serial by the jumper selection.
- High load driver 1 control by IO19, and status by IO18.
- One extra programmerable LED indicator – IO5
- One extra power supply voltage read – IO33
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