Description
The kit is designed to assemble a metal detector. All seats on the circuit board are signed. It remains only to solder.
Main parameters of the metal detector:
- Supply voltage: DC 3-5V
- Current consumption: 40mA
- Quiescent current: 5mA
- Detection distance: 60mm
- Alert Type: Sound/Light
- Board size: 86*61mm
Components:
| N p. p. | Component name | Designation on the board | 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 |
Schematic diagram:
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