Ultrasonic Motion Detector Schematic Diagram

Ultrasonic Motion Detector Schematic Diagram

Ultrasonic motion detector circuit diagram

COMPONENTS:

Resistors: carbon film, 5%
47R – R17 : 1
1K brown black red – R6, R20 : 2
2K2 red red red – R4 : 1
10K brown black orange – R13, R16, R19 : 3
100K brown black yellow – R1, R2, R15 : 3
150K brown green yellow – R22 : 1
220K red red yellow – R5 : 1
1M Brown black green – R8, R9, R10, R14 : 4
1M2 brown red green – R12, R11 : 2
10M brown black blue – R3, R7, R18, R21 : 4
Trimpot 1M : 1

Capacitors:
100nF monoblock (104) – C1, C10 : 2
100pF monoblock (101) – C5 : 1
10nF (103) ceramic – C2, C6, C7 : 3
33pF ceramic – C11, C12 : 2
100 uF electrolytic – C9 : 1
470 nF (474) monoblock – C3, C4, C8 : 3

Diode 1N4002/4 – D5 : 1
Diode 1N4148 – D1, 2, 3, 4 : 4
9V battery snap : 1
40kHz crystal : 1
78L05 voltage regulator : 1
14049 hex buffer IC : 1
BC639 : 1
LM324 IC : 1
14 pin IC socket : 1
16 pin IC socket : 1
40kHz Ultrasonic Tx/Rx pair 400ST/R160 : 1
LED : 1

This schematic diagram come from circuit: Ultrasonic Motion Detector.
Go to that page to read the explanation about above circuit design.

In the electrical sector, a schematic diagram is usually used to describe the design or model of equipment. Schematic diagrams are usually utilized for the maintenance and repair of electronic and electromechanical devices / units. Original schematics were made by hand, using standardized templates or pre-printed adhesive symbols, but nowadays Electrical CAD computer software is often used.

In electronic design automation, until the 1980s schematics were virtually the only formal representation for circuits. More lately, using the progress of computer system technology, other representations were introduced and specialized computer languages were developed, because with the explosive development of the complexity of electronic circuits, classic schematics are getting less practical. As an example, hardware description languages are indispensable for contemporary digital circuit design.

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