DIY KIT 46- Metal detector DIY electronic kit
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:
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