HardLabs

Mini data capture

GaitRehabilitation·mini_data_capture·hardware/micro_logger.kicad_pcb

Mini data capture PCB layout, top view — open source AVR/Arduino board by GaitRehabilitation

About the Mini data capture PCB

Mini data capture is an open source AVR/Arduino PCB design by GaitRehabilitation, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 17.5 × 29.5 mm, with 33 components from 20 distinct parts.

Its main chip is the ATMEGA328-AU, from the AVR/Arduino family. Other key parts include the MIC5205-3.3, TLV70218_SOT23-5, ICM-20948 and PCA9306. By type, the board carries 12 capacitors, 9 resistors, 5 ICs, 3 connectors, 2 diodes and 1 crystal.

From the project

The current maintainers of this repository are:

Mini data capture, from the project README
From the project README

Main components on the Mini data capture

MIC5205-3.3TLV70218_SOT23-5ATMEGA328-AUICM-20948PCA9306

Mini data capture bill of materials (BOM)

33 components, 20 distinct parts.

QtyPartRefs
1
MIC5205-3.3
U1
1
TLV70218_SOT23-5
U2
1
ATMEGA328-AU
U3
1
ICM-20948
U4
1
PCA9306
U5
1
Crystal_GND2
Y1
1
ISP
J3
1
Conn_01x02
J4
1
DM3AT-SF-PEJM5
J5
1
SW_Push
SW2
1
LED
D1
1
LD271
D3
1
10uF
C1
2
1uF
C2, C7
1
10uF
C3
7
.1uF
C4, C5, C6, C8, C9, C11, C12
1
100pF
C13
7
10K
R1, R2, R3, R4, R5, R6, R9
1
200K
R7
1
330
R8

Mini data capture design files

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

Mini data capture: common questions

What microcontroller does the Mini data capture use?

The Mini data capture is built around the ATMEGA328-AU, from the AVR/Arduino family.

How big is the Mini data capture PCB?

The Mini data capture measures 17.5 × 29.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mini data capture?

33 components, from 20 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mini data capture design files?

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

Can I use the Mini data capture design in my own project?

Yes, under the terms of its Apache-2.0 license, which GaitRehabilitation chose for the repository.

Can I test firmware for the Mini data capture 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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