Benjamín Alejandro Luna Ramírez
MEXICO • + Follow
Components
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BAT - 9v battery |
x 1 | |
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SW - Switch |
x 1 | |
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U1 - 78L05 |
x 1 | |
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IND - Detection coil. Aprox. 22 turns 25 cm. diameter. |
x 1 | |
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U2 - Attiny13 |
x 1 | |
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U3 - BC548 |
x 1 | |
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U5 - 2N7002 |
x 1 | |
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D1 - D4 - Led |
x 4 | |
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R1 - 3.1K |
x 1 | |
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R2 - 100 |
x 1 | |
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R3 - 1K |
x 1 | |
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R4 - 10K |
x 1 | |
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R5 - R8 - 470 |
x 1 | |
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C1 - C3 - 100nf |
x 1 | |
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C4 - 4.7uf |
x 1 |
Description
Metal Detector
This metal detector is based on the principle of frequency displacement when a magnetic material is close to the oscillator coil.
At first the microcontroller gets the frequency of oscillation, when the frequency change it lights one to four leds, according to the displacement amount.
Code
Code
metal_detector_attiny13.ino
Schematic and Layout
Diagram
114.jpeg
Dec 13,2024
1,324 views
Metal Detector
A metal detector based on frequency displacement. Attiny13 as the core of the project.
1324
2
0
Published: Dec 13,2024
Standard PCB
Download Gerber file 14
BOM(Bill of materials)
PCBWay Donate 10% cost To Author
File Last Updated: 2025/10/15 (GMT+8)
File update record
2025-10-1508:37:47
Parts List (BOM) is updated.
2025-10-1508:01:22
Gerber file is updated.
Only PCB
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