Basic PCB

OSHWLab page: https://oshwlab.com/ganzevich/PowMr-Hybrid-Inverter

PSU module connection

Using standard XL4005 module:

Main board	XL4005 PSU
GND pad	PSU `-` input
12V pad	PSU `+` input
5V pad	PSU `+` output

PZEM module connection

Inverter	PZEM module
AC IN (N)	Pin 1
AC IN (L)	Pin 2
PZEM coil (black wire)	Pin 3
PZEM coil (red wire)	Pin 4

Case examples

Using old 1.0 board version

Resources