Lumber plunder metal detector

bobasaurus·lumber-plunder-metal-detector·kicad/metal detector test/metal detector test.kicad_pcb

Lumber plunder metal detector PCB layout, top view — open source board by bobasaurus

About the Lumber plunder metal detector PCB

Lumber plunder metal detector is an open source PCB design by bobasaurus, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 82.8 × 88.9 mm, with 100 components from 61 distinct parts.

Other key parts include the OPA2140AID, NUCLEO-F303K8, LM2940IMP-9.0/NOPB, UA78M05CDCYRG3 and LT1129CST-3.3#PBF. By type, the board carries 31 capacitors, 21 resistors, 12 ICs, 10 switches, 6 jumpers and 2 transistors.

It belongs with the sensors and displays & leds designs in this gallery.

From the project

A VLF induction balance metal detector with a wooden body

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This project is influenced by and tries to improve upon similar DIY metal detectors, including the following: Neco Smart Hunter EN: https://neco-desarrollo.es/smart-hunter The vistac2000 pc-based metal detector with usb interface: https://www.geotech1.com/forums/showthread.php?14102-Let-s-made-a-PC-base-metal-detector-with-usb-interface-!!! The TGSL (for the coil design)…

Lumber plunder metal detector, from the project README
From the project README

Main components on the Lumber plunder metal detector

OPA2140AIDNUCLEO-F303K8LM2940IMP-9.0/NOPBUA78M05CDCYRG3LT1129CST-3.3#PBFLM4752TSMAX7423EUA+LS20-SOPA2320AID

Lumber plunder metal detector bill of materials (BOM)

100 components, 61 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
OPA2140AID
op amp (higher voltage)
U1
1
NUCLEO-F303K8
nucleo-32 uC module
U2
1
LM2940IMP-9.0/NOPB
9v lin reg
U3
2
UA78M05CDCYRG3
5v lin reg
U4, U9
2
LT1129CST-3.3#PBF
3.3v lin reg
U5, U10
1
LM4752TS
audio amp
U6
2
MAX7423EUA+
lp filter
U7, U11
1
LS20-S
switch debounce
U8
1
OPA2320AID
op amp (lower voltage)
U12
1
2SA2071T100Q
PNP
Q1
1
2SC5824T100Q
NPN
Q2
1
SJ-3524-SMT
3.5mm audio jack TRS
J1
1
106990288
12V (18650 x3)
BT1
5
Strain Rel
H1, H2, H3, H4, H5
4
MountingHole
H6, H7, H8, H9
1
SOLDERJUMPER_2_OPEN
SolderJumper_2_Open_big
JP1
3
SOLDERJUMPER_2_OPEN
SolderJumper_2_Open
JP2, JP3, JP4
2
SolderJumper_2_Open
JP5, JP6
1
Ext. Speaker
LS1
1
CDS-13138-SMT-TR
SMT Speaker
LS2
Show 41 more
QtyPartRefs
1
6m1
L_RX1
2
5m6
L_TX1, L_TX2
9
PTS 647 SN50 SMTR2 LFS
SW_SPST
SW0, SW1, SW2, SW3, SW4, SW5, SW6, SW7 +1
1
A11AH
SW_SPST
SW10
1
B09LND6QJ1
2.42_inch_128x64_oled
DS1
1
HZ0805E601R-10
ferrite bead smt
FB1
1
100U
100u
C1
1
470N
100n
C2
1
22U
100n
C3
1
100N
33n
C4
1
100N
10n
C5
1
100N
470n
C6
1
33N
22u
C7
1
10N
.33u
C8
1
100n
C9
1
100N
3.3u
C10
3
A750MV108M1EAAE014
1000u
C11, C16, C24
1
10U
100n
C12
1
100N
10u
C13
7
100N
100n
C14, C18, C20, C23, C27, C29, C30
2
A750MV108M1EAAE014
100n
C15, C22
1
100U
100n
C17
1
.33u
C19
1
3.3U
3.3u
C21
1
A750MV108M1EAAE014
33n
C25
1
33N
100n
C26
1
100N
100u
C28
1
3.3u
C31
1
27K
27k
R1
1
1.2K
1.2k
R2
1
560
R3
2
18K
18k
R4, R8
5
100K
100k
R5, R6, R7, R19, R20
1
12K
12k
R9
1
33K
33k
R10
1
2k
R11
1
10K
10k
R12
2
2.7
R13, R16
2
49.9K
49.9k
R14, R18
2
5K1
5k1
R15, R17
1
100
R21

Lumber plunder metal detector design files

The KiCad project lives in the bobasaurus/lumber-plunder-metal-detector repository on GitHub; these links point at the commit this page was built from.

Lumber plunder metal detector: common questions

How big is the Lumber plunder metal detector PCB?

The Lumber plunder metal detector measures 82.8 × 88.9 mm, has 4 copper layers and is 1.69 mm thick.

How many components are on the Lumber plunder metal detector?

100 components, from 61 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Lumber plunder metal detector design files?

From the bobasaurus/lumber-plunder-metal-detector repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Lumber plunder metal detector design in my own project?

Yes, under the terms of its GPL-3.0 license, which bobasaurus chose for the repository.

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