OpenGD77

Would anyone have a schematic of the CH1801 charger. My charger stays in the Charge mode. Never switches from RED to GREEN indicating CHARGE COMPLETE. I have two of them that do exactly what you describe. When new, they worked just fine. (charging overnight, would be GREEN by morning) Then one of t...

I have two 1801 running OpenDM1801. 12-22-2020 revision. I am able to read/write CP from/to both without issue. The radios are working, but I went to update to latest Open revision on one of them and it won't go into firmware update mode (no green tx led). The 2nd 1801 will go into the mode just fin...