Quantity   Component name
1 × Arduino Nano https://store.arduino.cc/usa/arduino-nano
2 × Servo https://www.amazon.com/Micro-Servos-Helicopter-Airplane-Controls/dp/B07MLR1498/ref=zg_bs_2234131011_4?_encoding=UTF8&psc=1&refRID=K7MA3H0C0QAZ3N06EGQT
1 × 4X4 Membrane Keypad https://www.amazon.com/Arduino-Arduino-Matrix-Membrane-Keyboard/dp/B07KSB2WGT/ref=sr_1_1?keywords=4x4+keypad+arduino&qid=1576712290&s=toys-and-games&sr=1-1
1 × 9 Volt battery (You can find the battery but I liked the connector) https://www.amazon.com/Evan-Designs-battery-Strap-Switch/dp/B00RNFVYDC/ref=sr_1_5?crid=39QEG4B3JFCJV&keywords=9+volt+battery&qid=1576712330&s=toys-and-games&sprefix=9+v%2Ctoys-and-games%2C167&sr=1-5