ADEEPT Ultimate Sensor Kit for Raspberry Pi - Page 68

S
Output
3.3V
3.3V
-
GND
The schematic diagram:
This experiment is to use the PIR Sensor Module to detect whether there is any human
activity.
Experimental Procedures
Step 1: Build the circuit
1
2
3
P1
3.3V
GND
-
3.3V
1K
R1
Res
D1
3.3V
GND
VDD
1
REL
2
VSS
3
U1
PIR AS312
GND
3.3V
GND
D2
220Ω
R2
Res
S