Wireless Keyboard Receiver in Practice: NRF24L01+ Dual-Mode Design, Low-Cost Custom Input Device
Want to make your own wireless keyboard receiver? Those wireless keyboards costing just tens of yuan on the market actually use NRF24L01+ modules at their core. Today we'll disassemble this black box and build a dual-mode wireless keyboard receiver for less than 50 yuan - it can work as both a regular keyboard and a macro keyboard. The inspiration for this project came from the mess of cables in my workshop. Every time I switch devices, I have to unplug and replug USB, which is annoying. So I decided to make my own, with customizable key mappings - it's just awesome. What do you need to prepare? Items...