This is a DIY RS485 to wifi adaptor which allows you to connect to your EPEver controller over wifi. Many EPEver solar charge controllers have an RS485 communication port on them so you can connect a ...
Also there was little / no information avaiable on the web for communicating with a Huawei ESM Lifep04 battery / BMS. Epever has freely downloadable GUI's for interacting with it's Charge controlers, ...