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STD Simple PI Metal Detector
Simple PI Metal Detector
License
Public Domain
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Update time：
2022-02-09 05:27:04
Creation time：
2018-04-22 08:23:15
Description
Description
All credit to:http://www.treasuresweeper.com/simple-pi-diy/sim-pi/index.html
A modifyed version of the circuit.
Design Drawing
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 1n | C1,C6 | RAD-0.1 | 2 |
| 2 | 100n | C2 | RAD-0.1 | 1 |
| 3 | 1u | C3,C5 | CAP-D3.0XF1.5 | 2 |
| 4 | 10u | C4,C7 | CAP-D3.0XF1.5 | 2 |
| 5 | 1000u | C8 | CAP-D3.0XF1.5 | 1 |
| 6 | 1N4148TA | D4,D5,D6 | DO-35 | 3 |
| 7 | 400uH | L1 | AXIAL-0.4 | 1 |
| 8 | Speaker | P1 | HDR-TH_2P-P2.54-V-M | 1 |
| 9 | IRF740PBF | Q1 | TO-220(TO-220-3) | 1 |
| 10 | MPSA13RLRPG | Q2 | ONSC-TO-92-3-29-11_AM_BL | 1 |
| 11 | 100k | R1 | AXIAL-0.4 | 1 |
| 12 | 1.2k | R2 | AXIAL-0.4 | 1 |
| 13 | 1k | R3,R4,R12 | AXIAL-0.4 | 3 |
| 14 | 62k | R5,R9 | AXIAL-0.4 | 2 |
| 15 | 1.2M | R6 | AXIAL-0.4 | 1 |
| 16 | 20k | R7 | RES-ADJ_3386P | 1 |
| 17 | 5k | R8 | RES-ADJ_3386P | 1 |
| 18 | 120k | R10 | AXIAL-0.4 | 1 |
| 19 | 470k | R11 | AXIAL-0.4 | 1 |
| 20 | LM358P | U1 | DIP-8 | 1 |
| 21 | NE555P | U2 | DIP-8 | 1 |
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