Hello. I implemented the energy meter pzem-004t v3. 0 with arduino, MySensors and Domoticz. I'm able to read current, voltage, power, pf but the energy value still 0 kwh. Originally it was properly working but after a soft reset the meter value still 0 kwh all the time. Can someone help me?
Not without any details ….
Your circuit diagram , data sheet , software listing etc etc.
What is calculating power ? What is the role of the individual parts , what was your soft reset and why did you do it ?
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I used a nodemcu with mysensors library. The nodemcu is then a mysensors node that uses rx-tx link to read the pzem-004t parameter. The library used to interface the pzem is PZEM-004T v3.0 available on gitbub. After that, domoticz get values from mysensors node as the other nodes I have in my network. No problem to get voltage, current, pf, power but the kwh is zero all the time. It is not a wrong reading from the mysensors node but simply the pzem-004t give 0kwh.
You need to put up your code and circuit diagram !!!
Is the library compatible with your processor ? If so Read the GitHub and try the library examples
Library info
Have you calculated how many kWh have passed ? Is it more than 1?
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