S0 & watermeter mesure tool from huizebruin.nl and s0tool.nl . Be sure to 🌟 this repository for updates! Its a hobby project . Flash it go to the link below.

ESP32 based ethernet I/O board for home automation

ESP8266 based pulse counter for S0 output from energy meter

Include your power consumption as well as not Bluetooth(R) or Speedwire enabled solar inverters into your SBFspot database

Firmware for AVR microcontrollers to analyze S0 impulses that modern power, water and gas meters output

Fixes Windows Modern Standby Random Wake Up

Naive approach of a S0 counter based on Arduino, Ethernet shield and xPL.