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ESP8266 + RELAY + THREEWAY SWITCH

PostPosted: Thu Jul 28, 2016 10:06 am
by rlaf
Hello everyone,

I'd like some help about three way ac light project.

I can control the gpio status, but in three way project, how can i check if light is on? The real status refers about relay and the light can be off.

Can you help me?

thanks in advance.