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ok1cdj / ESP8266-LUA

LUA scripts for ESP8266 with NodeMCU firmware
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Schematic correct? #4

Closed StormTrooper closed 9 years ago

StormTrooper commented 9 years ago

Is your schematic correct for the DS18B20 - you have both sides going to ground? There should be Vcc on the one side with the middle pin being pulled up by a resistor.

ok1cdj commented 9 years ago

No, it is OK.. Plese read datasheet.. When is VCC to GND sensor is powerd only from dataline.