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Grove - PIR Motion Sensor

3 years ago 1972
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This is a simple to use PIR motion sensor with Grove compatible interface. Simply connect it to Stem shield and program it, when anyone moves in its detecting range, the sensor outputs HIGH on its SIG pin.

The detecting range and response speed can be adjusted by 2 potentiometers soldered on its circuit board, The response speed is from 0.3s - 25s, and max 6 meters of detecting range. Note: Potentiometers are not included.


Grove compatible interface Voltage range: 3V–5V 2.0cm x 4.0cm twig module Detecting angle: 120 degree Detecting distance: max 6m (3m by default) Adjustable detecting distance and holding time

Application Ideas

Motion sensor Thief-guarding System Switch Industrial automation


Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.

For more detail, please visit:


Grove PIR Sensor v1.2


ID Name Designator Footprint Quantity
1 10K R1,R4,R8,R11,R14 R0603 5
2 10nF_X7R C3,C1,C9,C2 C0603 4
3 4.7M R3 R0603 1
4 1M_1% R5,R9,R17 R0603 3
5 22nF_X7R C8,C10 C0603 2
6 1K R7 R0603 1
7 3.3K_1% R10 R0603 1
9 XC6206P332MR-G U3 SOT23 1
10 6.3V 47uF C7,C5 AVX-A 2
11 DNP R6,R2 3P-SMD-SQUA-3.6X3.3 2
12 2M_1% R13 R0603 1
13 NO J2 3P-2.54 1
14 DNP D2 SOD123-2.7X1.6 1
15 CESD5V0D1 D3,D4,D5 SOD123-2.7X1.6 3
16 10uF_X7R_thin C6 C0805 1
17 100nF C4,C11 C0603 2
18 0R R16 R0603 1
19 NO 3V3,TP1,TP2,TP3,TP4,TP5,TP6,TP7 TP_3535 8
20 100K R15 R0603 1
21 LHI778 U2 3P-D8.1MM 1
22 TM2291 U1 SOP16 1
23 13R R18 R1206 1
24 NO J3 4P-2.0 1


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