
HAN ESP TSS721
UtilitechAS/amsreader-firmware
ESP8266 and ESP32 compatible firmware to read, interpret and publish data to MQTT from smart electrical meters, both DLMS and DSMR is supported
KiCad boards from 4 GitHub repositories tagged “power-meter”, the most starred first; open any of them in PCBKit.

UtilitechAS/amsreader-firmware
ESP8266 and ESP32 compatible firmware to read, interpret and publish data to MQTT from smart electrical meters, both DLMS and DSMR is supported

sh123/nano_power_meter
Dual channel Arduino Nano milliwatt power meter for HF/VHF/UHF/SHF bands

ehorvat1/NES-MEP-Reader
ESP32 compatible firmware to read, interpret and publish data from NES (formerly Echelon) electrical meters using MEP port

CtrlAltJon/PeterThePowerMeter
IoT Power Meter for real-time energy monitoring. Includes a local color display, acoustic alarms, and a web interface for smart home integration (Home Assistant/MQTT).

UtilitechAS/amsreader-firmware
ESP8266 and ESP32 compatible firmware to read, interpret and publish data to MQTT from smart electrical meters, both DLMS and DSMR is supported