DigiPi + HAT V1 + G90 for HF digital modes

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Thomas Corcoran

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Aug 8, 2026, 9:11:21 AM (10 days ago) Aug 8
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 Early last year, i acquired a DigiPi Hat V1 device (with GPS and temperature sensors) but only played around briefly with APRS before turning to other interests. I recently rekindled my interest in DigiPi for APRS and HF digital modes. This time, I wanted to try FT/8 & FLdigi. With the help of Dr. Claude, I was able to fabricate a wiring harness between my G90 ACC 8 pin socket and the HAT's DB9 as well as figuring out how to configure the various software applications. 

I use FLRig as software interface between the HAT and FT8/FLDigi and everything works fine. Now DigiPi reminds me of the RPi based "Build-a-Pi" project from KM4ACK.

Attached is the wiring configuration provided by Claude. FYI, the "blue" cable referenced is the cable that came with the G90 and connects between any USB port on the RPi and the data jack on the side of the G90.

Tom VE3NY 

claude digipi hat to g90.jpg
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