HardLabs

ODMeter2.1

CameronBrooks11·MagOD2·BoardMagOD/ODMeter2.1.kicad_pcb

ODMeter2.1 PCB layout, top view — open source board by CameronBrooks11

About the ODMeter2.1 PCB

ODMeter2.1 is an open source PCB design by CameronBrooks11, published on GitHub under the MIT license. It is a 4-layer board measuring 77 × 93 mm, with 83 components from 42 distinct parts.

Other key parts include the Opamp_Quad_Generic, ADS1115, NodeMCU(ESP-32), LMR33630ADDA and ADM7150. By type, the board carries 31 resistors, 24 connectors, 17 capacitors, 7 ICs, 3 transistors and 1 inductor.

It belongs with the test & measurement designs in this gallery.

From the project

Magnetic Optical Density meter - fork

Main components on the ODMeter2.1

Opamp_Quad_GenericADS1115NodeMCU(ESP-32)LMR33630ADDAADM715074LVC125

ODMeter2.1 bill of materials (BOM)

83 components, 42 distinct parts.

QtyPartRefs
1
Opamp_Quad_Generic
U1
2
ADS1115
U2, U5
1
NodeMCU(ESP-32)
U3
1
LMR33630ADDA
U4
1
ADM7150
U6
1
74LVC125
U7
3
Q_NMOS_GSD
Q1, Q2, Q3
1
A4
J1
3
Conn_01x03
J2, J4, J6
1
Conn_01x08
J3
1
A6
J5
1
GND
J7
1
A5
J8
1
Conn_01x06
J9
1
A7
J10
1
Conn_01x19
J11
1
A3
J12
1
A2
J13
3
Conn_01x04
J14, J18, J19
1
A1
J15
Show 22 more
QtyPartRefs
1
A0
J16
1
5V_a
J17
1
Conn_01x02
J20
1
5V_b
J21
1
3V3
J22
1
12V
J23
1
Micro_SD_Card
J24
1
10u
L1
5
C
C1, C2, C11, C16, C17
1
100n
C3
2
68u
C4, C13
1
1u
C5
4
10u
C6, C9, C10, C12
1
220n
C7
3
1u
C8, C14, C15
6
800
R1, R2, R11, R12, R19, R20
6
33k
R3, R9, R13, R18, R21, R25
6
3.3k
R4, R8, R15, R17, R22, R24
7
R
R5, R7, R10, R14, R26, R28, R31
3
0.05
R6, R16, R23
2
100k
R27, R29
1
24.9k
R30

ODMeter2.1 design files

The KiCad project lives in the CameronBrooks11/MagOD2 repository on GitHub; these links point at the commit this page was built from.

ODMeter2.1: common questions

How big is the ODMeter2.1 PCB?

The ODMeter2.1 measures 77 × 93 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the ODMeter2.1?

83 components, from 42 distinct parts. The full bill of materials is listed on this page.

Where can I download the ODMeter2.1 design files?

From the CameronBrooks11/MagOD2 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the ODMeter2.1 design in my own project?

Yes, under the terms of its MIT license, which CameronBrooks11 chose for the repository.

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