The external shunt must be wired into the negative line of the DC circuit. 3. Software Configuration
: An Arduino communication library specifically for the v1.0 energy monitor. It allows reading voltage, current, and energy, as well as resetting energy and configuring alarm thresholds. maxzerker GitHub Repository pzem-017 software download
Open the PZEM-017 utility. You’ll see: The external shunt must be wired into the