One of the most significant roles of charge controllers is to prevent batteries from becoming overwhelmed by solar panel current. However, issues and problems can occur, but in most cases, a simple ...
Renogy controllers use either RS232 or RS485 for serial communications, for either you will need an interface that supports the protocol your controller uses. Generally, standard PC serial ports ...
A NodeJS utility to retrieve data from a Renogy solar controllers via RS-232 and serve it as a Prometheus metrics endpoint for display in Grafana.