Quantity   Component name
1 × PIC18F4680 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × MCP2551 Interface and IO ICs / Controller Area Network (CAN)
1 × MAX232 Non-IC RF, IF, RFID, ZigBee Components / Up-Down Converters
3 × ULN2803 Discrete Semiconductors / Power Transistors and MOSFETs