You need an ESP32 development board. I used a NodeMCU-32s. Also a couple of generic NPN transistors to shift the level of the 5V RS-232 signaling from the Victron unit to the 3.3V needed by the ESP32.

192.168.1.201"; const char* mqtt_user = ""; //username to mqtt leave blank if you dont use username const char* mqtt_pass = ""; //password to mqtt leave blank if you dont use password #define ...

The Victron Ultimate 4x4 Canopy Bundle is the perfect power companion for all your outdoor adventures. This comprehensive bundle includes a range of top-of-the-line Victron products designed to ensure ...

Stop the charging process whenever the voltage of a battery cell increases to more than 3,75 V or the temperature increases to more than 60°C. Victron MultiPlus-II Inverter Charger 12/3000/120-32 The ...