Quantity   Component name
1 × ATtiny10 microcontroller
1 × breakout board
1 × 38kHz IR reciever
1 × IR LED
1 × CR2032 coin cell battery
1 × 100 ohm resistor
2 × 10k resistors
1 × 1k resistor
1 × 100uF capacitor
1 × piezo speaker