ModBus Measurement Daemon - simple reading of data from ModBus meters and grid inverters

Open Source Smart Meter with focus on privacy - you remain the master of your data.

Logging utility for various meters & sensors

Zero Export Script for Hoymiles Inverters using AhoyDTU / OpenDTU and Tasmota Smart Meter inferface / Shelly 3EM / SHRDZM / Emlog / ioBroker

ESP8266 + BME280 -> MQTT, Serial, HTTP-Server, HTTP-Client/Volkszähler

Set power input to zero for soyosource gti inverters and esmart3 MPPT charge controllers.

VZero - the Wireless zero-config controller for volkszaehler.org

Grafana for Volkszaehler

ESP8266 MQTT Sensor Node (in deep sleep) based on homie-esp8266. Support DHT11, DHT22, BME280, SHT30, SHT31.

A flexible and easy to configure service to collect and forward readings from smart meters and other sensors. It supports the Volkszaehler middleware and can be used as a replacement of vzlogger.

Docker image for volkszaehler middleware and frontend

My docker volkszaehler setup

This project keeps an Easymeter electricity meter in extended mode which enables detailed data records like current power on the INFO-DSS (e.g. for the Tibber Pulse).

Python Wrapper for interacting with the Volkszahler API

Expect script that can be used to retreive Readings from FHEM into vzlogger with meter type 'exec'

Java Frontend für Volkszähler

Scriptable widget for Tasmota Smartmeter reader

Docker Image for building vzlogger binaries

Comprehensive photovoltaics (600 W) with battery based engergy spreading, visualization and control

Serializes Grafana dashboard definitions into JSON