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I´m currently testing OS on my NodeMCU which is running on ESP8266. While I test Relais with a shift register, I´m wondering if its possible to ad a rainsensor direct on a GPIO.
I´ve learned that GPIO is available only on the PI version. It would be great if it would be possible to activate relais (on a relais board) direct on GPIO´s because the most private user needs not more than 3-4 Relais.Thanks for your help.
BR
Thomas
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