If you are into off-grid solar, small cabins, RV setups, or just a garage tinkerer running a 12V system, chances are the Renogy Wanderer has crossed your radar. It is affordable, reliable, and does exactly what a PWM solar charge controller should do — keep your battery happy and your loads powered. But what happens …
Hacking the Renogy Wanderer: From RS232 Smoke to BLE Modbus Victory with ESP32