Recent content by radiodyne

Interesting Stuff. A lot of information on cloning site, especially if you are having issues.   I was able to source the SSR directly from China for about a buck apiece including shipping. I had a relay protection diode short and draw current through the ssr and frying it. A 2 cent componet...

Opened a good unit and found the part number. Can get them out of China.   Thanks,

Hello,   Does anyone have a schematic/parts list for the UMI-32? I have close to 20 of them, but one has a defective SSR. Cannot read the device number on the relay.   Thanks,   radiodyne