PIR (Motion) Sensor
Passive infrared motion sensor with adjustable sensitivity and 2–4 s output delay; detects movement up to ~6 m away. Includes a 30 cm cable with socket for remote mounting.
Passive infrared motion sensor with adjustable sensitivity and 2–4 s output delay; detects movement up to ~6 m away. Includes a 30 cm cable with socket for remote mounting.
3-pin Adafruit PIR sensor cable: red cable is + voltage power. The guide says PIR power is usually 3-5VDC input but may be as high as 12V.
3-pin Adafruit PIR sensor cable: black cable is - ground power.
3-pin Adafruit PIR sensor cable: yellow is the signal out. The guide describes the PIR output swinging high or low when motion changes the sensed infrared level.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| + voltage power | power | 3-pin Adafruit PIR sensor cable: red cable is + voltage power. The guide says PIR power is usually 3-5VDC input but may be as high as 12V. | usually 3-5VDC input; may be as high as 12V | |
| - ground power | ground | 3-pin Adafruit PIR sensor cable: black cable is - ground power. | 0V ground | |
| signal out | signal | 3-pin Adafruit PIR sensor cable: yellow is the signal out. The guide describes the PIR output swinging high or low when motion changes the sensed infrared level. |
Analog · I2C · UART · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: + voltage power, - ground power, signal out. Schematik maps them to your board in the app.
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