2 x Arduino NANO/UNO LINK eBay
2 x NRF24 LINK eBay
2 joysitck LINK eBay
2 x toggle switch: LINK eBay
1 x Potentiometer: LINK eBay
2 x 3.3V voltage regulator: LINK eBay
1 x 9V battery connector: LINK eBay
1 x 9V battery: LINK eBay
2 x 10uF cap: LINK eBay
Resistors: LINK eBay
Wires LINK eBay
Female PCB pins LINK eBay
Male PCB pins LINK eBay
Drilled PCB LINK eBay
Wire, soldering iron, solder, etc...
