Add on template
dotstartech·wall-panel·pcb/add-on-template/add-on-template.kicad_pcb
About the Add on template PCB
Add on template is an open source PCB design by dotstartech, published on GitHub under the CERN-OHL-W-2.0 license. It is a 4-layer board measuring 78 × 40 mm, with 4 components from 4 distinct parts.
It belongs with the displays & leds and iot & wireless designs in this gallery.
From the project
Wall mounted 4 inch touch display panel with CM4 inside
Wall Panel is a 4-inch wall-mounted touch display panel powered by Raspberry Pi Compute Module 4 (CM4). It features a 720x720 IPS multitouch display and can be used as a Home Assistant dashboard or any other embedded display application.

Add on template bill of materials (BOM)
4 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Left, i2c | PinHeader_1x08_P2.54mm_Vertical | J1 |
| 1 | Right, 3v | PinHeader_1x08_P2.54mm_Vertical | J2 |
| 1 | Mic Adafruit | SPH0645LM4H | J5 |
| 1 | PZ254-2-20-WS | PM254-2-20-WS-8.5 | J10 |
Add on template design files
The KiCad project lives in the dotstartech/wall-panel repository on GitHub; these links point at the commit this page was built from.
Add on template: common questions
How big is the Add on template PCB?
The Add on template measures 78 × 40 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Add on template?
4 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the Add on template design files?
From the dotstartech/wall-panel repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Add on template design in my own project?
Yes, under the terms of its CERN-OHL-W-2.0 license, which dotstartech chose for the repository.
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