Quantity   Component name
1 × JLCPCB Customized PCB
1 × ATtiny85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × Piezoelectric Buzzer LPT9018BS-HL-03-4.0-12-R CRE-SOUND ELECTRONICS
1 × Push Button B3U-3000PM
2 × Side Mount LED LL-S110UYC-Y2-2B LUCKYLIGHT
1 × LiPo Battery Polymer Lithium Ion Battery - 40mAh
1 × 2mm 2 pin female header
1 × 2mm 2 pin male header