Quantity   Component name
1 × ATmega328P Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
2 × CD74HC4067E Switches and Multiplexers / Analog Switches and Multiplexers
1 × MCP6022-I/P Amplifier and Linear ICs / Operational Amplifiers
8 × PS100-2B1AR10K Slide Potentiometer, 10k
1 × RP8100B1M1CEBLKBLUNIL Switches and Relays / Switches
1 × 100SP1T1B1M1QEH Electronic Components / Misc. Electronic Components