4 ms·
What do you mean by no USB? There is a CH340C uart to USB chip onboard and a micro usb port. Is there something specific you're looking for? The relay would ju
by gramsejr 6y ago
What do you mean by no USB? There is a CH340C uart to USB chip onboard and a micro usb port. Is there something specific you're looking for?
The relay would just be used as a switch to turn on/off an external device using higher voltages, AC or DC.