*Link to the more complete project This project utilizes (at minimum): An iOS device with Bluetooth LE capabilities Morse-it Adafruit Feather 32u4 Bluefruit LE And a physical CW key of your choice. Various bits of wire and a micro USB cable Soldering iron and solder, wire strippers and other basic electronics tools. Procedure Update the… Continue reading Morse-it BLE Hardware CW Key