Teensy 4 based USB Band Decoder for modern Icom CIV radios. Passes through PC serial data, monitors for band data and PTT. 2nd serial passes GPS data to PC. Tested on IC-905, IC-705. - K7MDL2/CI ...

A small CPU connects to the USB port to control IO pins. This Arduino code runs on a on small Teensy 4.0 or 4.1 CPU module. The Teensy 4.X CPUs have a USB2 host port which connects to the radio. It ...

The receiver and motor driver circuit (Fig. 3) is built around Arduino UNO board (BOARD1), decoder IC HT12D (IC2), 433MHz RF receiver module (RX1), motor driver IC L293D (IC3), regulator IC 7805 (IC4) ...