Quantity   Component name
1 × attiny85-10su Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
2 × 75 SMD Resistor 1206
1 × 4.7k SMD Resistor 1206
1 × 100nF (Optional) Cap 1206
1 × KSR221GLFS Switches and Relays / Switches
1 × KEYSTONE 3002TR CR2032 (battery coin holder)