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2 layers44.5 × 63.5 mmMaster, the printed circuit board in 3D

センサーを身に着けるタイプのモーショントラッカーキット

Size
44.5 × 63.5 mm
Copper layers
2
Thickness
1 mm
Parts
20
Nets
67
Pads
131
Tracks, vias
93, 4
Pours
3
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
2 Jul 2026
Updated
2 Jul 2026

Overview

Master is an open-source printed circuit board by dera-develop, from the dera-develop/BodyTracker-Kit repository on GitHub, published under the MIT licence. It is a 2-layer board of 44.5 × 63.5 mm with 20 parts on 67 nets, routed with 93 tracks and 4 vias.

Its parts include 6 capacitors, 6 ICs, 4 resistors, 2 diodes and 1 connector.

README

README.md

BODY TRACKER

トラッカー
自作のトラッカーです.SlimeVRを使用します.
データの取得方法で迷走して,完成まで2か月くらいかかりました.
ドリフトの時間サイクルは体感30分程度です.

概要

LSM6DSV16X のSFLPで出力されたクオータニオンを ESP32-WROOM-32E でI2C経由で拾ってSlimeVRに送信します.

このトラッカーはマスターとスレーブの2個セットで製作されており,このセンサーを複数セット製作し接続することで,トラッキング箇所を自由に増やすことができます.

詳細の仕様についてのドキュメントはこちらをご覧ください.
製作手順についてはこちらをご覧ください.

免責

本プロジェクトは以下の外部ソフトウェア・環境を利用しています.
本リポジトリ内に同包はしていません.

  • SlimeVR Server
    SlimeVR Server リポジトリ
    本プロジェクトはSlimeVRのシステムと互換性を持つよう設計されていますが,SlimeVRチームによって作成,提供,または承認されたものではありません.
    「SlimeVR」は,SlimeVR BVの商標または登録商標です.

  • Arduino
    Arduino.cc
    本プロジェクトはArduino環境を利用していますが,Arduino公式プロジェクトとは無関係です.
    「Arduino(R)」は,Arduino Srlの商標または登録商標です.

Parts

20
QtyValueFootprintReferences
4CCapacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mmC1, C3, C5, C6
4RResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR1, R2, R3, R4
2C_PolarizedCapacitor_THT:CP_Radial_D5.0mm_P2.00mmC2, C4
2~MadeMyself:USB-TypeC_PowerOnlyU3, U5
1Conn_01x06_PinConnector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_HorizontalJ1
1LM78M05_TO252Package_TO_SOT_SMD:TO-252-2U6
1LOGOBodyTrackerLOGO:ロゴ逆G***
1PWLED_THT:LED_D3.0mm_ClearD1
1STLED_THT:LED_D3.0mm_ClearD2
1~LSM6DSV16X_Aki:LSM6DSV16X_Aki_Module_reversibleU2
1~CX70M-24P1:JDC3-611479U4
1~ESP32-WROOM-32E_Aki:ESP32-WROOM-32E_AkiU1

Questions

How big is the Master PCB?

It measures 44.5 × 63.5 mm and has 2 copper layers, 1 mm thick.

What parts does the Master use?

20 parts. 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 Master KiCad files?

From the dera-develop/BodyTracker-Kit repository on GitHub, at the commit this page was made from: the board is pcb/master/master.kicad_pcb and its schematic pcb/master/master.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Master design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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