Search found 2 matches

by K5FER
Tue May 14, 2019 9:27 pm
Forum: Other MMDVM Modem Boards
Topic: STM32-dvm / mmdvm_hs Rasp-Pi 3 Hat GPIO - No Receive
Replies: 1
Views: 3759

Re: STM32-dvm / mmdvm_hs Rasp-Pi 3 Hat GPIO - No Receive

So playing more with this modem connected to the D700 and the Anytone handheld, it's now working TXInvert RXInvert Modem sends to Internet Audio Works on Handheld 0 0 Yes Yes 0 1 No Yes 1 0 Yes No 1 1 No No Reseated the connectors and turned everything off and back on and now it works Go figure
by K5FER
Mon May 13, 2019 9:38 pm
Forum: Other MMDVM Modem Boards
Topic: STM32-dvm / mmdvm_hs Rasp-Pi 3 Hat GPIO - No Receive
Replies: 1
Views: 3759

STM32-dvm / mmdvm_hs Rasp-Pi 3 Hat GPIO - No Receive

I have a STM32-dvm / mmdvm_hs Rasp-Pi 3 Hat GPIO modem from Repeater Builder that I'm trying to figure out. It's either the way MMDVMHost Modem TXInvert or RXInvert is set or it's the pin outs on the radio. I have it connected to a Kenwood TM700 using the 6 pin DIN cable that came with the modem. If...