Denis Govorkov

You had better write an email to their support... I bet - nobody will answer here. BTW, did you try embedded mode on SIM800? Is it possible to port micropython...

This firmware has a lot of bugs and out of support 8(. I can only suggest running clearSms in a loop :) I think that you have no space for...

I’m looking for a pcb footprint :)

Thanks!

When USB is connected, the device is powered by buck converter U8 (5 to 4 volts) and the battery is charging with U4. When it is disconnected the Q3 mosfet...

Hm, why do they have R2 and R4 on the pudding board?

Wow, is this parasitic diode so important? Thanks!

Could you explain your scheme please? It seems that GS voltage will be always 0-0.25V (diode drop)? Which is not enough to open fet.

Ok, I've fixed it :) Are there some other issues?

Hello, I’ve mentioned https://www.sqlite.org/c3ref/create_function.html It would be great to use some js function in sql.