Can't communicate with PZEM-004 module, how can I test if it works?


hello everyone,

this week got pzem-004 module , wanted test it, want use esp8266 connected directly board, returned -1 each value (v, w, wh) after trying on github couldn't make work.

to remove 1 of possible problems (esp runs on 3.3v, pzem 5v) tried flash arduino pro micro runs on 5v, , connect pzem 0v, if connected ac cable (nothing through coil, hould report tension , 0w power, 0v)

i used code found in forum , connected togheter no luck. alo tried swap rx/tx wires in case mounted them incorrectly

is there way somehow test pzem module ?

here video setup

https://www.youtube.com/watch?v=zveowb13q4g


is module dead? or wrong ?

any welcome.

how wired?

what sketch using?

what library using, if any?


Arduino Forum > Using Arduino > Project Guidance > Can't communicate with PZEM-004 module, how can I test if it works?


arduino

Comments

Popular posts from this blog

Flip address is out of range arduino uno r3

Arduino Uno not uploading

Indesign and MathType fonts