Quantity   Component name
1 × Atmel attiny85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
2 × BZX79C3V6 Discrete Semiconductors / Diodes and Rectifiers 3.6V zener
1 × MCP1700-3302E/TO Power Management ICs / Linear Voltage Regulators and LDOs (optional)
1 × 4.7uF capacitor
1 × SPST 6mm tactile switch