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Low profile with trackball

ryoo14·rhyn47·low-profile-with-trackball/pcb/low-profile-with-trackball/low-profile-with-trackball.kicad_pcb

Low profile with trackball PCB layout, top view — open source RP2040/RP2350 board by ryoo14
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About the Low profile with trackball PCB

Low profile with trackball is an open source RP2040/RP2350 PCB design by ryoo14, published on GitHub. It is a 2-layer board measuring 228.8 × 76.2 mm, with 137 components from 27 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the W25Q16JVUXIQ, PMW3610, XC6206P332MR, SMF05CT1G and MCP1700X-180XXTT. By type, the board carries 48 switches, 47 diodes, 25 capacitors, 8 resistors, 6 ICs and 1 crystal.

It belongs with the keyboards designs in this gallery.

From the project

mechanical keyboard I designed.

This is low-profile model of rhyn47 with trackball.

The case is the same as the low-profile version.

Low profile with trackball, from the project README
From the project README

Main components on the Low profile with trackball

RP2040W25Q16JVUXIQPMW3610XC6206P332MRSMF05CT1GMCP1700X-180XXTT

Low profile with trackball bill of materials (BOM)

137 components, 27 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
RP2040
U1
1
W25Q16JVUXIQ
U2
1
PMW3610
U3
1
XC6206P332MR
U4
1
SMF05CT1G
U5
1
MCP1700X-180XXTT
MCP1700x-180xxTT
U6
1
X322512MSB4SI
Y1
1
USB_C_RECEPTACLE_USB2.0_16P
USB_C_Receptacle_USB2.0_16P
J2
1
C70076
fuse
F2
47
SW_PUSH
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +39
1
C318884
boot
SW48
47
C81598
D
D1, D2, D3, D4, D5, D6, D7, D8 +39
4
10UF
10uF
C1, C2, C22, C23
2
2.2UF
2.2uF
C3, C4
9
100N
100n
C5, C6, C7, C8, C9, C10, C11, C12 +1
1
10UF
10uF
C14
2
10NF
10nF
C15, C16
1
100NF
100nF
C17
3
100NF
100nF
C18, C19, C21
1
3.3UF
3.3uF
C20
Show 7 more
QtyPartRefs
2
20PF
20pF
C24, C25
2
27
R1, R2
1
1KΩ
R8
2
5.1K
5.1k
R9, R10
1
10kΩ
R11
1
10kΩ
R12
1
1K
R13

Low profile with trackball design files

The KiCad project lives in the ryoo14/rhyn47 repository on GitHub; these links point at the commit this page was built from.

Low profile with trackball: common questions

What microcontroller does the Low profile with trackball use?

The Low profile with trackball is built around the RP2040, from the RP2040/RP2350 family.

How big is the Low profile with trackball PCB?

The Low profile with trackball measures 228.8 × 76.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Low profile with trackball?

137 components, from 27 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 Low profile with trackball design files?

From the ryoo14/rhyn47 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 Low profile with trackball design in my own project?

The repository has no license, so all rights stay with ryoo14. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Low profile with trackball 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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