Explains the Schematic of Infrared Devices used to detect motion @ Bank Door post, Hotels, Security checks, etc...

1. +5 - +12 VOLTS
R1 10K
C1 CD4538
+ R10
C
10 µ f R6 _ 4 1M
C3 .1 µ f C5 .1 µ f 9 1 16
1M 8
IC1C 2 15
NC
R4 1 M R8 1M 10 D3 3 14
1 +
2 4 13
_ IC2
PIR 3
+
6 5 12 NO
R2 1 7 + C6
3 IC1A + C4 IC1B 6 11 D5
100K D1 _ RY1
1µf
2 _ 10 5 13 14 D4 7 10
µf +
IC1D 8 9
R3 D2
R5 12
10K + 11 Q1
10K
R7 R9 2N3904
C2 + R11 10K
1M 1M R12
10 µ f
10K
IC1 = LM324 PIR = PIR325 R10 Kohms X C6 mfd = ON time ms
IC2 =CD4538 D1 - D5 = 1N914 RY1 - coil voltage rating = V+ voltage
MOTION DETECTOR