With the release of the Raspberry Pi 4 comes a new release of Raspbian, "Buster". We have successfully updated our code to run on Buster and can now support the Raspberry Pi 4.
Today the Barrie Amateur Radio Club held it's annual hamfest. We used this opportunity to test the Weather Station and APRS beaconing.
I have successfully tested the PTT from Direwolf using the GPIO pins on the raspberry pi. This removes the need for a VOX circuit and the associated problems.