2 layers33.7 × 97.8 mm

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
29 parts470
KiCad boards from 2 GitHub repositories tagged “aidon”, 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

yyberi/han-to-RS485
KiCAD project of PCB that reads data from the Aidon electricity meter's HAN port and converts it to an RS485 bus, enabling integration with home automation systems, data loggers, and industrial equipment.

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