This Project is about reading out a German "Stromzähler" provided by EnBW in South Germany eHZ-IW8E2A5L0EK2P using a Hichi TTL IR EHZ Volkszaehler Smartmeter..could also be applied for other eHZ Devices.
Setup: -ESP8266 -ESP Batteryshield 1.2 -LiPo Battery -Hichi Lesekopf
Short How To: -Bring Hardware Parts together, solder Resistor Bridge on ESP Battery Shield -Flash ESP with Tasmota Generic Setup -Bring Up Tasmota Setup in WEB UI (Wifi, MQTT) -Change Script Setting in Tasmota Using consolte.txt file -Change GPIO Settings to measure Voltage on A0 Pin to "ADC Input" -Configure the ADC Input like in analog_input.txt to have the Analog Value converted to mV
HAVE FUN Luke Rabauke