Quantity   Component name
1 × Arduino UNO/Genuino UNO https://www.utsource.net/itm/p/8647184.html
1 × 4*4 Keypad https://www.utsource.net/itm/p/1862509.html
1 × M/M Jumper wires https://www.utsource.net/itm/p/9221309.html