ODMeter
About the ODMeter PCB
ODMeter is an open source PCB design by LeonAbelmann, 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.
From the project
Software for Magnetic Optical Density meter
Main components on the ODMeter
ODMeter bill of materials (BOM)
83 components, 42 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Opamp_Quad_Generic | SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 2 | ADS1115 | VSSOP-10_3.1x3.1mm_Pitch0.5mm | U2, U5 |
| 1 | NodeMCU(ESP-32) | NodeMCU(ESP-32) | U3 |
| 1 | LMR33630ADDA | HSOIC-8 | U4 |
| 1 | ADM7150 | HSOIC-8 | U6 |
| 1 | 74LVC125 | SSOP-14 | U7 |
| 3 | Q_NMOS_GSD | SOT-23 | Q1, Q2, Q3 |
| 1 | A4 | TestPoint-Harwin-S2761-46R | J1 |
| 3 | Conn_01x03 | Pin_Header_Straight_1x03_Pitch2.54mm | J2, J4, J6 |
| 1 | Conn_01x08 | Pin_Header_Straight_1x08_Pitch2.54mm | J3 |
| 1 | A6 | TestPoint-Harwin-S2761-46R | J5 |
| 1 | GND | TestPoint-Harwin-S2761-46R | J7 |
| 1 | A5 | TestPoint-Harwin-S2761-46R | J8 |
| 1 | Conn_01x06 | KK41791_straight1x6 | J9 |
| 1 | A7 | TestPoint-Harwin-S2761-46R | J10 |
| 1 | Conn_01x19 | HDMI-RightAngle-47151-1051 | J11 |
| 1 | A3 | TestPoint-Harwin-S2761-46R | J12 |
| 1 | A2 | TestPoint-Harwin-S2761-46R | J13 |
| 3 | Conn_01x04 | KK41791_straight1x4 | J14, J18, J19 |
| 1 | A1 | TestPoint-Harwin-S2761-46R | J15 |
Show 22 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | A0 | TestPoint-Harwin-S2761-46R | J16 |
| 1 | 5V_a | TestPoint-Harwin-S2761-46R | J17 |
| 1 | Conn_01x02 | KK396RPC171813_Straight_1x2 | J20 |
| 1 | 5V_b | TestPoint-Harwin-S2761-46R | J21 |
| 1 | 3V3 | TestPoint-Harwin-S2761-46R | J22 |
| 1 | 12V | TestPoint-Harwin-S2761-46R | J23 |
| 1 | Micro_SD_Card | MEM2075-00-140-01-A | J24 |
| 1 | 10u | ssr1260 | L1 |
| 5 | C | C_0805 | C1, C2, C11, C16, C17 |
| 1 | 100n | C_0805 | C3 |
| 2 | 68u | CP_Tantalum_Case-D_EIA-7343-31_Hand | C4, C13 |
| 1 | 1u | C_0805 | C5 |
| 4 | 10u | C_1210 | C6, C9, C10, C12 |
| 1 | 220n | C_0805 | C7 |
| 3 | 1u | C_0603 | C8, C14, C15 |
| 6 | 800 | R_0805 | R1, R2, R11, R12, R19, R20 |
| 6 | 33k | R_0805 | R3, R9, R13, R18, R21, R25 |
| 6 | 3.3k | R_0805 | R4, R8, R15, R17, R22, R24 |
| 7 | R | R_0805 | R5, R7, R10, R14, R26, R28, R31 |
| 3 | 0.05 | OAR3 | R6, R16, R23 |
| 2 | 100k | R_0805 | R27, R29 |
| 1 | 24.9k | R_0805 | R30 |
ODMeter design files
The KiCad project lives in the LeonAbelmann/MagOD repository on GitHub; these links point at the commit this page was built from.
ODMeter: common questions
How big is the ODMeter PCB?
The ODMeter measures 77 × 93 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the ODMeter?
83 components, from 42 distinct parts. The full bill of materials is listed on this page.
Where can I download the ODMeter design files?
From the LeonAbelmann/MagOD repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the ODMeter design in my own project?
Yes, under the terms of its MIT license, which LeonAbelmann chose for the repository.
More boards in MagOD
ODMeter2.1
77 × 93 mm83 parts4LMIT1
PhotoDiode MDversion1.2
27.2 × 27.2 mm17 parts4LMIT1
PhotoDiode MDversion1.3
27.2 × 27.2 mm16 parts4LMIT1
RefPhotoDiode MDversion1.3
33.4 × 33.4 mm14 parts2LMIT1
RefPhotoDiode MDversion1.2
33.4 × 33.4 mm14 parts2LMIT1
PhotoDiode MDversion
26.8 × 26.8 mm13 parts4LMIT1
RefPhotoDiode MDversion
32.8 × 32.8 mm11 parts2LMIT1
RGBLed MDversion
23.5 × 23.5 mm6 parts2LMIT1
LED
23.5 × 23.5 mm4 parts2LMIT1