1. Introduction
Metal Detector is a high performance metal detector designed for security.

2.Parameter

NO.

Parameter

Value

1

Name

Metal Detector

2

Operating Voltage

DC 3-5V

3

Operating Current

40mA

4

Standby Current

5mA

5

Detection Distance

60mm

6

Alarm mode

Sound/Light

7

Difficulty

Easy

8

PCB Size

86*61mm

NO.

Parameter

Value


3.Application

1>. Game entertainment

2>. Security check

3>. Search for metal products

5>. Car detection

5>. Traffic Statistics

6>. Elevator floor control

7>. Production equipment position detection

8>. Production equipment development and design

9>. Electronic Product Design

10>. Play equipment development

11>. Metal proximity switch

12>. Metal detection in human body4.Schematic

4.Schematic



5.Component listing


NO.

Component Name

PCB Marker

Parameter

QTY

1

Metal Film Resistor

R3

470ohm

1

2

Metal Film Resistor

R2

2K

1

3

Metal Film Resistor

R1

200K

1

4

Potentiometer

VR1

100R

1

5

Ceramic Capacitor

C2,C3

0.022uf

2

6

Ceramic Capacitor

C1,C4

0.1uf

2

7

Electrolytic Capacitor

C5

100uf

1

8

Red LED

LED1

5mm

1

9

S9012

Q2.Q3

TO-92

2

10

S9018

Q1

TO-92

1

11

Power Switch

SW1

6*5mm

1

12

Buzzer

SP1

9*12mm

1

13

Power Socket

J1

KF301-2P

1

14

PCB



MDS-60

1


NOTE:Users can complete the installation by PCB silk screen and component listing

6.Installation Steps



Step 1:Install Metal Film Resistor R1=200K;R2=2K;R3=470ohm.


Step 2: Install Capacitor:C1,C4=104pF;C2,C3=222pF;C5=100uF

Step 3:Install 2pcs S9012 on Q2,Q3;1pcs S9018 on Q1;1pcs potentiometer on VR1.


Step 5:Install Buzzer and Power socket.


Finished picture:



Package included:1*DC 3V-5V 60mm Metal Detector Kit Electronic Kit Non-contact Sensor DIY Kit