HardLabs

OpenHardwareExG Shield Test Board

OpenElectronicsLab·OpenHardwareExG_Shield·OpenHardwareExG_Shield_Test_Harness/kicad-files/OpenHardwareExG_Shield_Test_Board.kicad_pcb

OpenHardwareExG Shield Test Board layout, top view — open source AVR/Arduino board by OpenElectronicsLab
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About the OpenHardwareExG Shield Test Board

OpenHardwareExG Shield Test Board is an open source AVR/Arduino PCB design by OpenElectronicsLab, published on GitHub under the CERN-OHL-1.2 license. It is a 4-layer board measuring 147.3 × 81.3 mm, with 124 components from 22 distinct parts.

Its main chip is the ARDUINO_SHIELD, from the AVR/Arduino family. Other key parts include the 74HC165, 74HC595PWR, 74LS125, TPS2095D and SI8661. By type, the board carries 53 connectors, 44 resistors, 12 capacitors, 7 ICs, 3 diodes and 3 inductors.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

Arduino shield OpenHardwareExG

The OpenHardwareExG_Shield is a platform for ECG, EEG, EMG, ENG, EOG, and evoked potential applications using an Arduino.

http://openelectronicslab.github.io/OpenHardwareExG_Shield/

https://github.com/OpenElectronicsLab/OpenHardwareExGShieldArduino_Library

Main components on the OpenHardwareExG Shield Test Board

74HC16574HC595PWR74LS125TPS2095DSI8661

OpenHardwareExG Shield Test Board bill of materials (BOM)

124 components, 22 distinct parts — part numbers from the project's BOM.

QtyPartRefs
3
74HC165
U1, U2, U4
1
74HC595PWR
U3
1
74LS125
U5
1
TPS2095D
U6
1
SI8661
U8
50
CONN_1
P1, P2, P3, P4, P5, P6, P7, P8 +42
1
ARDUINO_SHIELD
P19
1
CONN_3X2
P56
1
CONN_20X2
P57
1
VAL**
Hole_M3
1
SW_PUSH
SW1
3
LED
D1, D2, D3
3
MH2029-221Y
L1, L3, L4
4
10UF
10uF
C1, C5, C10, C11
8
100NF
100nF
C2, C3, C4, C6, C7, C8, C9, C12
5
10K
10k
R1, R3, R5, R43, R44
3
1k
R2, R4, R6
1
5.1K
R7
16
100
R8, R18, R19, R20, R21, R22, R23, R24 +8
14
1M
R9, R10, R11, R12, R13, R14, R15, R16 +6
Show 2 more
QtyPartRefs
2
15K
15k
R17, R33
3
560
R40, R41, R42

OpenHardwareExG Shield Test Board design files

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

OpenHardwareExG Shield Test Board: common questions

What microcontroller does the OpenHardwareExG Shield Test Board use?

The OpenHardwareExG Shield Test Board is built around the ARDUINO_SHIELD, from the AVR/Arduino family.

How big is the OpenHardwareExG Shield Test Board?

The OpenHardwareExG Shield Test Board measures 147.3 × 81.3 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the OpenHardwareExG Shield Test Board?

124 components, from 22 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 OpenHardwareExG Shield Test Board design files?

From the OpenElectronicsLab/OpenHardwareExG_Shield repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the OpenHardwareExG Shield Test Board design in my own project?

Yes, under the terms of its CERN-OHL-1.2 license, which OpenElectronicsLab chose for the repository.

Can I test firmware for the OpenHardwareExG Shield Test Board without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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