Software for ESP32 to talk to Hoymiles/TSUN/Solenso Inverters

ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

Yet another tool to read power production of SMA® solar/battery inverters

Software for ESP32 to talk to Hoymiles/TSUN/Solenso Inverters, VE.Direct devices, battery management systems, and related peripherals

ESP8266 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps

Firmware replacement for Growatt ShineWiFi-S

ESP8266 based WiFi and MQTT interface for MPPT Inverters that use watchpower

PowMr Inverter serial communication protocol reverse engineering

Dual Axis solar tracker

A solar system simulator with Verlet, using OpenGL for displaying.

A Monte Carlo ray tracer for the optical simulation of solar concentrating systems

Connect the EPSolar/EPEver Tracer A/B Series (RS-485 Modbus) to an ESP8266/ESP32 and monitor using Blynk /Homeassistant/MQTT... .

An automatic plant watering system based on an ESP32 with solar cell, soil moisture sensor and pump.

Arduino library to calculate the times of sunrise, sunset, solar noon, twilight, the solar position, and more.

Simplest DIY low power, low cost, standalone or web connected IOT sensors network framework using ESP32 or ESP8266 (no third party service required).

ESP82XX based connector for EPEver Solar tracker systems, control and watch Multiple devices over webinterface and MQTT

See video:

Reads data from a Renogy solar charge controller's RS232 port with an ESP32 or Arduino

Read data from SRNE solar charge controllers.

ESP32 connects to SMA Sunny Boy inverter over Bluetooth