Quantity   Component name
1 × ATtiny85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × LED I used a yellow color led
1 × 3 V coin Cell CR2032
1 × copper wires for connection
1 × Arduino Uno To program ATtiny
1 × 10uF electrolytic capacitor This capacitor effectively filters out the incoming reset pulses that come from your PC when the Arduino software starts to program your part.