ACS712 with NodeMCU

#1

hi,
any body tried nodeMCU & ACS712 connection as per schematic of circuit.io?
is it measure accurate power? current?
can we measure power with it too?

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#2

Hi @mudassar09
The NodeMCU is very picky with Analog input.
The circuit given in circuito might work but it needs to be tuned according to the resistors values.

It’s best to read on it here:
http://esp8266-projects.org/2015/06/mailbag-arrival-acs712-current-sensor-html/
and here:

Good luck!
Ziv

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