2 layers36.3 × 75 mm CollabJam, the printed circuit board in 3D

CollabJam

This repository contains KiCAD projects for the tactile display Printed Circuit Board (PCB).

Size: 36.3 × 75 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 20
Nets: 38
Pads: 75
Tracks, vias: 96, 3
Pours: 2
Routed: Yes
KiCad: KiCad 9.0 (file 20241229)
Created: 2 May 2023
Updated: 3 Nov 2025

Overview

CollabJam is an open-source printed circuit board by TactileVision, from the TactileVision/CollabJam-PCB repository on GitHub. It is a 2-layer board of 36.3 × 75 mm with 20 parts on 38 nets, routed with 96 tracks and 3 vias.

It is built around the ULN2803A and 500SSP1S1M6QEA. Its parts include 2 connectors, 1 resistor, 1 IC, 1 diode and 1 switch. It belongs with the interfaces and adapters boards and the ESP32 boards of this library.

Main components

README

README.md

CollabJam: PCB

This repository contains KiCAD projects for the tactile display Printed Circuit Board (PCB).

CollabJam_v4_3D_2

Repositories

Below are links to the individual repositories associated with the project:

⭐️ Meta Repository - The main repository.
🖥️ Client App Repository - The main client application used for interacting with and designing vibrotactile experiences collaboratively.
⚙️ Server Repository - The server application used for collaborative designing, shared rendering of vibrotactile patterns, and storing patterns in a database.
⚙️ Share Components Repository - Components which are shared across the server and client application.
⚙️ Firmware Repository - Contains the firmware code for the tactile display used in the project.
📈 Data Visualization Repository - Tool for visualizing vibrotactile patterns collected during the study sessions.

Citation

If you use this project in your research, please cite it as follows:

bibtex

@inproceedings{Wittchen2025CollabJam,
    author = {Wittchen, Dennis and Ramian, Alexander and Sabnis, Nihar and Chlebowski, Christopher and Böhme, Richard and Freitag, Georg and Fruchard, Bruno and Degraen, Donald},
    title = {CollabJam: Studying Collaborative Haptic Experience Design for On-Body Vibrotactile Patterns},
    year = {2025},
    publisher = {Association for Computing Machinery},
    address = {New York, NY, USA},
    booktitle = {Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems},
    location = {Yokohama, Japan},
    series = {CHI '25},
    doi = {10.1145/3706598.3713469}
}

Parts

Qty	Value	Footprint	References
2	MountingHole	MountingHole:MountingHole_2.2mm_M2	H1, H2
1	100	Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R1
1	500SSP1S1M6QEA	collabjam:SW_500SSP1S1M6QEA	S1
1	ESP32 left	Connector_PinSocket_2.54mm:PinSocket_1x13_P2.54mm_Vertical	J11
1	ESP32 right	Connector_PinSocket_2.54mm:PinSocket_1x13_P2.54mm_Vertical	J10
1	ESP_BAT_GND	TestPoint:TestPoint_Pad_2.0x2.0mm	-
1	ESP_BAT_PWR	TestPoint:TestPoint_Pad_2.0x2.0mm	+
1	LED	collabjam:LTSTS220KFKT	D1
1	LOGO	LOGO	G***
1	M1	Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal	M1
1	M2	Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal	M2
1	M3	Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal	M3
1	M4	Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal	M4
1	M5	Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal	M5
1	M6	Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal	M6
1	M7	Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal	M7
1	M8	Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal	M8
1	Power	Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal	BAT
1	ULN2803A	Package_SO:SOIC-18W_7.5x11.6mm_P1.27mm	U1

Questions

How big is the CollabJam PCB?

It measures 36.3 × 75 mm and has 2 copper layers, 1.6 mm thick.

What parts does the CollabJam use?

20 parts, built around the ULN2803A and 500SSP1S1M6QEA. 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 CollabJam KiCad files?

From the TactileVision/CollabJam-PCB repository on GitHub, at the commit this page was made from: the board is v1/CollabJam.kicad_pcb and its schematic v1/CollabJam.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the CollabJam design in my own project?

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

Category and platform

Interfaces and adapters ESP32

Topics

haptics pcb pcb-design pcb-layout tactile-interface vibrotactile

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/tactilevision-collabjam-pcb-collabjam" title="CollabJam in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/tactilevision-collabjam-pcb-collabjam.jpg" alt="CollabJam" width="1200" height="900">

A picture that opens the board, for a README

[![CollabJam](https://pcbkit.io/embed/boards/tactilevision-collabjam-pcb-collabjam.jpg?size=s)](https://pcbkit.io/boards/tactilevision-collabjam-pcb-collabjam)

Source

Repository: TactileVision/CollabJam-PCB
Board file: v1/CollabJam.kicad_pcb
Commit: fd03af9
Licence: Not stated

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