Quantity   Component name
1 × Microchip ATtiny13A SU SOIC 8
2 × R0805 10K
4 × R0805 470
2 × C0805 100n X7R
12 × 0805 RED LED
12 × BPW34S Opto and Fiber Optic Semiconductors and ICs / Photodiodes
1 × BZV55-B4V7 Zener diode 4.7V in SOD80 case
1 × LL4148 Diode 4.7V in SOD80 case
1 × SMD, 3 x 6 x 2.5 мм, 2pin SMD button