1. codec2 talkieTurn your Android phone into Codec2 Walkie-Talkie (Bluetooth/USB/TCPIP KISS modem client for DV digital voice communication)
2. antenna analyzerArduino Uno based graphical SWR HF/VHF 160-1.25m bands antenna analyzer, plotter based on Si5351 module
3. antenna analyzer vnaPocket Arduino Nano based graphical SWR 160-6m bands panoramic VNA antenna analyzer based on AD9850, AD8302 and SGA3386