recently I bought a new gsm/gprs/gps module, in particular waveshare 7000E NB-IoT HAT. I have some issue with device power key. As te datasheet says it starts automatically, indeed it does. If you want to control the power on/off you have to " Need to modify the back solder joint" (cit. from datasheet page14). Moreover in the picture below is shown these diagram, but honestly I don't understand what to do.
Have I to solder the PWR joint? Anyone have experience with this device?
I have also another waveshare HAT that integrate a SIM868. In this case I wrote a sketch that power on/off the HAT properly. obviously this doesn't work with SIM7000e although they have the same pin configuration.