Quantity   Component name
1 × ATTiny13A-SSUR Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × Piezo Buzzer - 12MM
3 × 0.1uF (100nF) 0805 Capacitor
1 × 10Kohm 0805 Resistor
1 × 270ohm 0805 Resistor
2 × 100ohm 0805 Resistor
1 × CR2032 Holder - Keystone 1060TR
1 × 6x6x6mm SMD Button
1 × Safety Pin Bar w/Adhesive https://www.amazon.com/gp/product/B01H0RNX7C/
2 × BSS84 Mosfet
2 × BSS138 Mosfet Discrete Semiconductors / Diode-Transistor Modules
2 × Schottky Diodes SOD-123
1 × Red 0805 LED
1 × 10uF 0805 Capacitor