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Touchpad

notaroomba·linea·hardware/touchpad/touchpad.kicad_pcb

Touchpad PCB layout, top view — open source board by notaroomba
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About the Touchpad PCB

Touchpad is an open source PCB design by notaroomba, published on GitHub. It is a 2-layer board measuring 194.3 × 134.4 mm, with 187 components from 2 distinct parts.

It belongs with the power & battery designs in this gallery.

From the project

A custom EMR tablet!

- ~500kHz scanning rate - Large (170x110mm) drawing area - Bluetooth support (via STM32) - USB-C for data and charging - ~~Pen~~ (for another version)

- 3D printed parts: a base and a top cover - Snap-fit case

- STM32WB55RGV6TR for bluetooth support - LiPo battery charging circuit - USB-C - 2 ground planes - FPC touchpad

The PCB has 2 components, the FPC coil grid and the main board.

Touchpad, from the project README
From the project README

Touchpad bill of materials (BOM)

187 components, 2 distinct parts — part numbers from the project's BOM.

QtyPartRefs
3
CONN_01X26_MOUNTINGPIN
Conn_01x26_MountingPin
J1, J2, J3
184
CONN_02X03_ODD_EVEN
Conn_02x03_Odd_Even
J4, J5, J6, J7, J8, J9, J10, J11 +176

Touchpad design files

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

Touchpad: common questions

How big is the Touchpad PCB?

The Touchpad measures 194.3 × 134.4 mm, has 2 copper layers and is 0.195 mm thick.

How many components are on the Touchpad?

187 components, from 2 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 Touchpad design files?

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

Can I use the Touchpad design in my own project?

The repository has no license, so all rights stay with notaroomba. Use it as a reference, and ask the author before reusing the design.

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