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Trackpadx2

lou12de39r·ashiyu·trackpad/src_grt65/trackpadx2.kicad_pcb

Trackpadx2 PCB layout, top view — open source Nordic nRF board by lou12de39r

About the Trackpadx2 PCB

Trackpadx2 is an open source Nordic nRF PCB design by lou12de39r, published on GitHub. It is a 4-layer board measuring 79 × 100 mm, with 20 components from 10 distinct parts.

Its main chip is the MDBT50Q-1MV2, from the Nordic nRF family. By type, the board carries 12 resistors, 6 capacitors, 1 IC and 1 connector.

From the project

This board is derived from GR-Trackpad65 by geek-rabb1t (MIT License, see LICENSEGR-Trackpad65; original files in srcgrt65/).

This board is derived from GR-Trackpad65 by geek-rabb1t (MIT License, see LICENSEGR-Trackpad65; original files in srcgrt65/).

GR-Trackpad65 is 65 × 49 mm with 15 Tx × 10 Rx. Its electrode pitch is 4.2 mm (Tx) × 4.7 mm (Rx). Keeping 10 Tx columns gives exactly 42 mm, so the electrode shape, pitch and IC surroundings are reused as they are. Only the board was cut down.

Main components on the Trackpadx2

MDBT50Q-1MV2

Trackpadx2 bill of materials (BOM)

20 components, 10 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MDBT50Q-1MV2
IQS550
U1
1
TYPE-C-31-M-12
Conn_01x06
J1
2
CL10A475KO8NNNC
100n
C1, C6
1
CL10A106KP8NNNC
100p
C2
2
CC0603KRX7R9BB104
1u
C3, C5
1
CL10A475KO8NNNC
100p
C4
2
0603WAF5101T5E
4.7k
R1, R2
3
0603WAF4701T5E
1k
R3, R11, R12
6
0603WAF1001T5E
1k
R4, R6, R7, R8, R9, R10
1
0603WAF1003T5E
1k
R5

Trackpadx2 design files

The KiCad project lives in the lou12de39r/ashiyu repository on GitHub; these links point at the commit this page was built from.

Trackpadx2: common questions

What microcontroller does the Trackpadx2 use?

The Trackpadx2 is built around the MDBT50Q-1MV2, from the Nordic nRF family.

How big is the Trackpadx2 PCB?

The Trackpadx2 measures 79 × 100 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Trackpadx2?

20 components, from 10 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 Trackpadx2 design files?

From the lou12de39r/ashiyu repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Trackpadx2 design in my own project?

The repository has no license, so all rights stay with lou12de39r. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Trackpadx2 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Nordic nRF firmware against it before you order a PCB.

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