HardLabs

Wacca Touch Panel

FizzyApple12·Waccon·WaccaTouchPanel-pcb/WaccaTouchPanel.kicad_pcb

Wacca Touch Panel PCB layout, top view — open source RP2040/RP2350 board by FizzyApple12
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About the Wacca Touch Panel PCB

Wacca Touch Panel is an open source RP2040/RP2350 PCB design by FizzyApple12, published on GitHub. It is a 2-layer board measuring 254.9 × 231.1 mm, with 101 components from 43 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the W25Q16JVUXIQ TR, AT42QT2120-MMHR and NCP1117-3.3_SOT223. By type, the board carries 42 diodes, 23 connectors, 19 capacitors, 8 resistors, 5 ICs and 3 switches.

From the project

A repository for all of the files in my design for an open-source touch ring controller.

This repo is right now still a work in progress, nothing has been finalized and things will probably be broken, stay tuned as things are finalized though!

If you'd like to test out the current firmware on your own hardware, there are 2 github actions scripts for the Touch Panel firmware and the Protocol Translator firmware

The 6 Touch Panel firmware builds correspond to which position you want the Touch Panel to be in (1 being top, 6 being bottom)

Wacca Touch Panel, from the project README
From the project README

Main components on the Wacca Touch Panel

W25Q16JVUXIQ TRAT42QT2120-MMHRNCP1117-3.3_SOT223RP2040

Wacca Touch Panel bill of materials (BOM)

101 components, 43 distinct parts.

QtyPartRefs
1
W25Q16JVUXIQ TR
W25Q16JVUXIQ_TR
IC1
2
AT42QT2120-MMHR
IC2, IC3
1
NCP1117-3.3_SOT223
U1
1
RP2040
U3
1
ABLS-12.000MHZ-B4-T
Y1
1
USB_C_Receptacle_USB2.0
J1
1
RJ45_LED_Shielded
J2
1
SESNSOR7
J3
1
SESNSOR6
J4
1
Conn_01x03_Male
J5
1
SESNSOR5
J6
1
SESNSOR4
J7
1
SESNSOR3
J8
1
SESNSOR8
J9
1
SESNSOR2
J10
1
SESNSOR9
J11
1
SESNSOR1
J12
1
SESNSOR10
J13
1
SESNSOR11
J14
1
SESNSOR12
J15
Show 23 more
QtyPartRefs
1
SESNSOR19
J16
1
SESNSOR18
J17
1
SESNSOR17
J18
1
SESNSOR16
J19
1
SESNSOR15
J20
1
SESNSOR20
J21
1
SESNSOR14
J22
1
SESNSOR13
J23
1
TS3A5223RSWR
S1
1
Program
SW1
1
Reset
SW3
40
WS2812B
D1, D4, D5, D6, D7, D8, D9, D10 +32
2
B320
D2, D3
3
10u
C1, C2, C3
2
27p
C4, C5
10
100n
C6, C7, C12, C14, C15, C16, C17, C18 +2
2
1u
C8, C11
1
0.1u
C9
1
2u2
C20
2
5K1
R1, R2
2
27
R5, R6
2
1K
R7, R11
2
150
R15, R16

Wacca Touch Panel design files

The KiCad project lives in the FizzyApple12/Waccon repository on GitHub; these links point at the commit this page was built from.

Wacca Touch Panel: common questions

What microcontroller does the Wacca Touch Panel use?

The Wacca Touch Panel is built around the RP2040, from the RP2040/RP2350 family.

How big is the Wacca Touch Panel PCB?

The Wacca Touch Panel measures 254.9 × 231.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Wacca Touch Panel?

101 components, from 43 distinct parts. The full bill of materials is listed on this page.

Where can I download the Wacca Touch Panel design files?

From the FizzyApple12/Waccon repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Wacca Touch Panel design in my own project?

The repository has no license, so all rights stay with FizzyApple12. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Wacca Touch Panel without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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