Four new SDR radio designs Presentation Here
LiJiANi DSP Multi-band radio: https://www.aliexpress.us/item/3256805681468359.html
CRKITS DSP radio kit: https://crkits.com
(tr)u-sdx transceiver: https://dl2man.de
QRP-LABS (QMX, QDX): https://qrp-labs.com
HFSignals (sBITX): https://hfsignals.com
T41 transceiver at 4SQRP: https://www.4sqrp.com/T41main.php
Raspberry Pi for Ham Radio Presentation Here
https://www.raspberrypi.org/
Purchase:
Newark - Element 14
Micro Center
Adafruit
PiShop
Ham-Pi 2.0: https://sourceforge.net/projects/hampi/
PiSDR:
Pi FM Project
Link to GitHub Project
TAPR WSPR board for Pi
Link to the 20M version
Basic USB Sound Card
Link to Amazon page