Features

• MQTT
• Webinterface (Based on ESPDash)
• Write data in an influxdb-database
• Send data to PVOutput

Screenshot from webinterface

Used Hardware

• Wemos d1 mini
• Max485
• 2 leds (blue, yellow)
• 2 100 Ohm-resistors
• ds18b20 (optional, but recommended)
• 4.7k resistor (for ds18b20)

Schematic

Steps to build - software

1. Install VSCode and platformIO
2. Download or clone this repository
3. Rename the file src/config.h.example to src/config.h
4. Configure it in src/config.h
5. Compile, upload and test your device.

   More detailed instructions: https://10k-resistor.github.io/Solis4Gmini-logger/instructions/detailed/

Status leds

More documentation

• API https://10k-resistor.github.io/Solis4Gmini-logger/json-api

Known problems

• ESP sometimes crashes while sending data to pvoutput