Update README.md
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@ -7,3 +7,9 @@ Software for the ESP2866 that sends P1 smart meter data to Domoticz (with CRC ch
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- Place all files from this repository in a directory. Open the .ino file.
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- Adjust WIFI, Domoticz and debug settings at the top of the file
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- Compile and flash
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### Connection of the P1 meter to the ESP2866
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You need to connect the smart meter with a RJ11 connector. This is the pinout to use
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![RJ11 P1 connetor](http://gejanssen.com/howto/Slimme-meter-uitlezen/RJ11-pinout.png)
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Connect GND->GND on ESP, RTS->3.3V on ESP and RxD->any digital pin on ESP. In this sketch I use D5
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