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#6988 by ted051
Sat Jan 07, 2017 6:37 pm
Hi all, happy New Year!
Some month's ago I began to develop a stand- alone Transceiver, with Pavel's assistance. It is based on a STM32F7Discovery board and got the name "DiscoRedTRX". It has a touchscreen, works pretty well, but has no realtime spectrum display.
That's the reason, because I now try to build the "big brother" of this project, with a Raspberry Pi3B as controller. The software for the Raspi comes from John Melton (G0ORX/N6LYT) and has the name "PiHPSDR). The audio codec WM8731 works, and I hope to have it run in a couple of weeks.
To solve is the connection and control of my PE4306 attenuator. My currently plan is, to make an extra program for this reason. EBay-link to the attenuator board:
http://www.ebay.de/itm/RF-ATTENUATOR-0-31-dB-w-1-dB-STEP-SPI-MODULE-for-ARDUINO-or-MCU-PE4306-/201527616718?hash=item2eebfb64ce:g:HygAAOxyiRlSan6z
Link to the DiscoRedTRX article:
http://www.wkiefer.de/x28/Red%20Pitaya.htm

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