MAKER TUTORIALDIY KIT 46- Metal detector DIY electronic kit
BUILDCIRCUIT · 2019-12-28
This is yet another metal detector kit for electronics beginners. After assembling the kit, if you take the kit close to a metal, the buzzer will turn on and the LED will flash. The sensitivity of the kit can be adjusted using the potentiometer.
Parameters:
| NO. |
Parameters |
Value |
| 1 |
Name |
Metal detector |
| 2 |
Operating voltage |
DC 3-5V |
| 3 |
Operating current |
≤ 40mA |
| 4 |
Standby current |
≤ 5mA |
| 5 |
Detection depth |
≤ 60mm |
| 6 |
Detection and alarm mode |
Sound and Light |
| 7 |
The difficulty of soldering |
Easy |
| 8 |
Circuit board size |
86*61mm |
| 9 |
Packing weight |
16g/kit |
Component list:
| NO. |
PCB Marker |
Component Name |
Parameter |
QTY |
| 1 |
R3 |
RES |
470R |
1 |
| 2 |
R2 |
RES |
2K |
1 |
| 3 |
R1 |
RES |
200K |
1 |
| 4 |
VR1 |
ADJ-RES |
100R |
1 |
| 5 |
C2.C3 |
CAP |
222P |
2 |
| 6 |
C1.C4 |
CAP |
104P |
2 |
| 7 |
C5 |
E-CAP |
100UF |
1 |
| 8 |
LED1 |
LED |
5mm Red |
1 |
| 9 |
Q2.Q3 |
Transistor |
S9012 |
2 |
| 10 |
Q1 |
Transistor |
S9018 |
1 |
| 11 |
SW1 |
Power |
SW |
1 |
| 12 |
SP1 |
Buzzer |
9*12 |
1 |
| 13 |
J1 |
Power-Socket |
KF301-2 |
1 |
| 14 |
—— |
PCB |
MDS-60 |
1 |
| 15 |
Choose |
Battery box |
AA1.5V*3 |
1 |
Schematic of the kit:
Click on the images below to see all the assembly steps. You can also see the images on Flickr.
Check out all the images below
Documentation:
MDS-60-Metal-detector-kit
