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