Add on nfc
dotstartech·wall-panel·pcb/add-on-nfc/add-on-nfc.kicad_pcb
About the Add on nfc PCB
Add on nfc 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 43 components from 20 distinct parts.
Other key parts include the PN7160A1HN/C100E. By type, the board carries 27 capacitors, 11 resistors, 2 inductors, 1 IC, 1 crystal and 1 connector.
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.

Main components on the Add on nfc
Add on nfc bill of materials (BOM)
43 components, 20 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PN7160A1HN/C100E PN7160A1HN_C100E | QFN50P600X600X100-41N-D | U1 |
| 1 | Crystal_GND24 | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | PZ254-2-20-WS | PM254-2-20-WS-8.5 | J10 |
| 2 | 160nH | L_0603_1608Metric | L2, L3 |
| 5 | 10uF | C_0603_1608Metric | C1, C4, C6, C8, C10 |
| 6 | 100nF | C_0402_1005Metric | C2, C3, C5, C7, C9, C11 |
| 2 | 15pF | C_0402_1005Metric | C12, C13 |
| 2 | NC | C_0402_1005Metric | C15, C18 |
| 2 | 82pF | C_0402_1005Metric | C16, C17 |
| 2 | 270pF | C_0402_1005Metric | C19, C20 |
| 2 | 150pF | C_0402_1005Metric | C21, C24 |
| 2 | 68pF | C_0402_1005Metric | C22, C23 |
| 2 | 1nF | C_0402_1005Metric | C25, C26 |
| 2 | 56pF | C_0402_1005Metric | C27, C28 |
| 1 | 10K | R_0402_1005Metric | R1 |
| 2 | 10K/NC | R_0402_1005Metric | R2, R3 |
| 2 | 100K | R_0402_1005Metric | R4, R5 |
| 2 | 4.7K/NC | R_0402_1005Metric | R7, R8 |
| 2 | 2.2K | R_0402_1005Metric | R9, R11 |
| 2 | 1.3K | R_0402_1005Metric | R12, R13 |
Add on nfc 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 nfc: common questions
How big is the Add on nfc PCB?
The Add on nfc measures 78 × 40 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Add on nfc?
43 components, from 20 distinct parts. The full bill of materials is listed on this page.
Where can I download the Add on nfc 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 nfc 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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