P1-Meter-ESP8266

Software for the ESP2866 that sends P1 smart meter data to Domoticz (with CRC checking, OTA firmware updates, crash protection and a simple webserver)

Installation instrucions

• Make sure that your ESP8266 can be flashed from the Arduino environnment: https://github.com/esp8266/Arduino
• Install the SoftSerial library from: https://github.com/plerup/espsoftwareserial
• Place all files from this repository in a directory. Open the .ino file.
• Adjust WIFI, Domoticz and debug settings at the top of the file
• Compile and flash

Connection of the P1 meter to the ESP8266

You need to connect the smart meter with a RJ11 connector. This is the pinout to use

Connect GND->GND on ESP, RTS->3.3V on ESP and RxD->any digital pin on ESP. In this sketch I use D5

Generic Info

This repo is forked from Jantenhove: https://github.com/jantenhove/P1-Meter-ESP8266 Webserver comes from an early version of ESP Easy: https://github.com/letscontrolit/ESPEasy

Added functionality

• Counter that will reset the ESP when 10 consecutive CRC Errors are encountered.
• Webserver to view some generic info about the ESP and a logging page where you can see the last 40 results.