NodemcuのインターフェースPIRセンサー

IoT Motion Sensor – NodeMCU ESP8266 + PIR » DIY Usthad

Connect GND of PIR sensor to the GND of NodeMCU.; Connect the VCC of PIR sensor to the of NodeMCU.; Connect the OUT of PIR sensor to the digital pin D2 (GPIO 4) of NodeMCU.; Note: Some PIR sensors will work only from 5v above so if you are using such a PIR sensor then instead to connecting the VCC of PIR to of NodeMCU connect it directly to separate 5v supply.

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Interface PIR Sensor With NodeMCU : 6 Steps (with Pictures ...

Jul 08, 2017· Connecting PIR sensors to a NodeMCU is really simple. The PIR acts as a digital output so all you need to do is operate the pin to flip high (detected) or low (not detected). Check out the images for more details. Most PIR modules have a 3-pin connection at the side or bottom. The pinout may vary between modules so check the pinout carefully!

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