Quantity   Component name
1 × ATMEGA328PB The Brains
1 × DS1302 The Time Keeper
3 × TS2515A Button (Any button you like would work)
13 × 0603 LED's LED's (Any colour, or any size would work)
1 × 4.7K Resistor For pull up on RST pin
4 × 100 Ohm Resistor For LED's protection
1 × 32.768kHz Clock Crystal For the RTC
1 × Coin Cell Socket Any will work