Quantity   Component name
1 × ATtiny44 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
2 × 3v6 Zener diode
2 × 68om resistor
1 × 1k5 om resistor
2 × 22p capasitor
1 × 20MHz crystal resonator
1 × din-6 plug