Description

Product Description

Operating Voltage: DC 3-5V

Operating Current: 40mA

Standby Current: 5mA

Detection Distance: 60mm

Alarm mode: Sound/Light

Difficulty: Easy

PCB Size : 86*61mm

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 4:Install the LED with the long leg as the positive pole, corresponding to the square pad mounted on the board.

Step 5:Install Buzzer and Power socket.

Package include:

3 X Metal fetector DIY kit

About debugging:

The machine is powered by 3 to 5V DC power. Turn on the power and turn on the power switch.

At this time, the buzzer will sound.

The LED is bright, slowly adjust the VR1 potentiometer, so that the buzzer just does not ring.

To adjust the potentiometer to affect the detection distance, the detection distance of the machine is less than 6 cm, affected by the size of the detected object and the environment.

Tools required for assembly testing:

Electric iron, solder wire, universal meter, tweezers, diagonal pliers, charging treasure

Note:

The installation of electronic modules requires basic knowledge and requires a certain electronic professional foundation and hands-on ability. Please purchase carefully!

P1

P2

P3

P4

P5

P6