Search found 3 matches

by eengineer
Mon Apr 22, 2024 4:59 pm
Forum: General
Topic: Help with interface board for RDAC X-B
Replies: 4
Views: 2047

Re: Help with interface board for RDAC X-B

The LED will flash at 1Hz when the CPU is running. If you have supply voltage at the CPU, the reset line is logical high, I'd be pretty sure that CPU is history - if you can find a replacement (make sure it is exactly the same) contact me privately and I'll send you the binary to flash to the CPU. ...
by eengineer
Wed Apr 17, 2024 8:26 pm
Forum: General
Topic: Help with interface board for RDAC X-B
Replies: 4
Views: 2047

Re: Help with interface board for RDAC X-B

Is your LED on the RDAC flashing ? The problem is that the LED does not light up and does not blink at all. Although +5V power is supplied to the board and the MCU. Perhaps the microcontroller has become unusable, but I can replace it, but I couldn’t find the firmware anywhere. I can write my own c...
by eengineer
Sun Apr 14, 2024 7:50 pm
Forum: General
Topic: Help with interface board for RDAC X-B
Replies: 4
Views: 2047

Help with interface board for RDAC X-B

I received RDAC X-B as a gift. But for some reason the equipment is different from those that I find in the photo on the Internet. It's as if there is no interface board. https://support.michiganavionics.com/portal/en/kb/articles/rdac-xb-and-xd-manual RDAC_X_B.jpeg I disassembled the case, powered t...