Sunday, March 30, 2025

Quick Pi Pico TX test

 Changed the hardcoded frequency to the WSPR frequency, threw on an AliExpress 2W amp and a QRP labs LPF, and used the transmit feature of the iOS "WSPR Watch" software (just holding my earbud up to microphone.  






Saturday, March 29, 2025

Pi Pico SSB transmitter


I threw together the Pi Pico-based SSB transmitter from here.

I haven't had a chance to do much with it yet, but got immediate results and was very pleased to hear myself over my G90 from it.