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2 layers20 × 25 mmAccelerometer v2, the printed circuit board in 3D

Measures acceleration in three axis

Size
20 × 25 mm
Copper layers
2
Thickness
1.6 mm
Parts
25
Nets
27
Pads
101
Tracks, vias
229, 19
Pours
1
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
22 Jun 2018
Updated
4 Oct 2025

Overview

Accelerometer v2 is an open-source printed circuit board by Tinkerforge, from the Tinkerforge/accelerometer-v2-bricklet repository on GitHub. It is a 2-layer board of 20 × 25 mm with 25 parts on 27 nets, routed with 229 tracks and 19 vias.

It is built around the KX122-1037. Its parts include 6 capacitors, 6 ICs, 3 connectors and 2 diodes. It belongs with the sensors and measurement boards of this library.

Main components

1

README

README.rst

Accelerometer Bricklet 2.0

This repository contains the firmware source code and the hardware design files. The documentation generator configs can be found at https://github.com/Tinkerforge/generators

Repository Content

software/:

  • examples/: Examples for all supported languages
  • build/: Compiled files
  • src/: Source code of firmware
  • Makefile: Makefile to build project

hardware/:

  • Contains KiCad project files and additionally schematics as PDF

datasheets/:

  • Contains datasheets for sensors and complex ICs that are used

Hardware

The hardware is designed with the open source EDA Suite KiCad (http://www.kicad.org). Before you are able to open the files, you have to install the Tinkerforge kicad-libraries (https://github.com/Tinkerforge/kicad-libraries). You can either clone them directly in hardware/ or clone them in a separate folder and symlink them into hardware/ (ln -s kicad_path/kicad-libraries project_path/hardware). After that you can open the .pro file in hardware/ with KiCad and from there view and modify the schematics and the PCB layout.

Software

If you want to do your own Brick/Bricklet firmware development we highly recommend that you use our build environment setup script and read the tutorial (https://www.tinkerforge.com/en/doc/Tutorials/Tutorial_Build_Environment/Tutorial.html).

To compile the C code we recommend you to install the newest GNU Arm Embedded Toolchain (https://launchpad.net/gcc-arm-embedded/+download). You also need to install bricklib2 (https://github.com/Tinkerforge/bricklib2).

You can either clone it directly in software/src/ or clone it in a separate folder and symlink it into software/src/ (ln -s bricklib_path/bricklib2 project_path/software/src/). Finally make sure to have CMake installed (http://www.cmake.org/cmake/resources/software.html).

After that you can build the firmware by invoking make in software/. The firmware (.zbin) can then be found in software/build/ and uploaded with brickv (click button "Flashing" on start screen).

Parts

25
QtyValueFootprintReferences
4100nFkicad-libraries:C0603FC3, C4, C5, C6
4DRILLkicad-libraries:DRILL_NPU3, U4, U5, U6
282kicad-libraries:4X0402RP1, RP2
2VAL**Fiducial_MarkFiducial_Mark, Fiducial_Mark
110uFkicad-libraries:C0805C2
11kkicad-libraries:4X0603RP3
1220pFkicad-libraries:C0402FC1
1Bootkicad-libraries:SolderJumperP3
1CE_5mmkicad-libraries:CE_5mmVAL
1CON-SENSORkicad-libraries:CON-SENSOR2P1
1Debugkicad-libraries:DEBUG_PADP2
1KX122-1037kicad-libraries:KX122-1037U2
1LOGOkicad-libraries:Logo_CoMCUG***
1WEEE_7mmkicad-libraries:WEEE_7mmVAL
1XMC1100kicad-libraries:QFN24-4x4mm-0.5mmU1
1bluekicad-libraries:D0603FD1
1greenkicad-libraries:D0603FD2

Questions

How big is the Accelerometer v2 PCB?

It measures 20 × 25 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Accelerometer v2 use?

25 parts, built around the KX122-1037. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Accelerometer v2 KiCad files?

From the Tinkerforge/accelerometer-v2-bricklet repository on GitHub, at the commit this page was made from: the board is hardware/accelerometer-v2.kicad_pcb and its schematic hardware/accelerometer-v2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Accelerometer v2 design in my own project?

Its repository states no licence, so its author keeps all rights: ask Tinkerforge before reusing the design.

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