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Poly corne split42 left2

thpoll83·PolyKybd·poly_kybd/variations/poly_corne/poly_corne_split42_left2.kicad_pcb

Poly corne split42 left2 PCB layout, top view — open source RP2040/RP2350 board by thpoll83
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About the Poly corne split42 left2 PCB

Poly corne split42 left2 is an open source RP2040/RP2350 PCB design by thpoll83, published on GitHub under the CERN-OHL-W-2.0 license. It is a 2-layer board measuring 277.2 × 107.5 mm, with 164 components from 50 distinct parts.

Its main chip is the TD6811, from the RP2040/RP2350 family. Other key parts include the MT9700 and 74HC595BQ. By type, the board carries 21 switches, 21 LEDs, 16 capacitors, 9 resistors, 4 ICs and 2 connectors.

It belongs with the keyboards and displays & leds designs in this gallery.

From the project

PolyKybd

Official hardware repository of the PolyKybd Split72 keyboard. If you are looking for the kit, jump immediately to https://www.crowdsupply.com/polykybd/polykybd for registration.

The instructions here are still in a very early stage. There is also a build video available: https://www.youtube.com/watch?v=K5RpbYzx7gw

You can find the matching QMK firmware here: https://github.com/thpoll83/qmk_firmware/tree/PolyKybd

Poly corne split42 left2, from the project README
From the project README

Main components on the Poly corne split42 left2

TD6811MT970074HC595BQ

Poly corne split42 left2 bill of materials (BOM)

164 components, 50 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TD6811
RP2040
U1
1
TD6811
NCP1117LPST33T3G
U2
1
MT9700
TPD4E05U06DQAR
U3
1
74HC595BQ
W25Q128JVSIQ
U4
1
TAXM12M4RFBCCT2T
12MHz 18pF
Y1
1
FH34SRJ-14S-0.5SH
TYPE-C-31-M-13C
J1
1
FH34SRJ-14S-0.5SH
TRS
J2
25
YS-SK6812MINI-E
EXLED1, EXLED2, rEXLED1, rEXLED2, rLED1, rLED2, rLED3, rLED4 +17
4
RotaryEncoder_Switch
EXSW1, EXSW2, rEXSW1, rEXSW2
4
TS-1088R-02026
SMDSW1, SMDSW2, rSMDSW1, rSMDSW2
1
SW_Push
SW1
2
EVQPUC02K
SW_Push
SW2, SW3
18
SW_Push
SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11 +10
2
RB521S30T1G
ZD1, rZD1
2
27p
rC1, rC2
9
100n
rC3, rC4, rC7, rC9, rC10, rC12, rC13, rC14 +1
3
1u
rC5, rC8, rC16
2
10u
rC6, rC11
1
1N4148WT
rD1
1
TYPE-C-31-M-13C
rJ1
Show 30 more
QtyPartRefs
1
TRS
rJ2
2
5.1k
rR1, rR2
2
1k
rR3, rR6
2
27
rR4, rR5
2
10k
rR7, rR9
1
5.6k
rR8
1
SW_Push
rSW1
20
SW_Push
rSW2, rSW3, rSW4, rSW5, rSW6, rSW7, rSW8, rSW9 +12
1
RP2040
rU1
1
NCP1117LPST33T3G
rU2
1
TPD4E05U06DQAR
rU3
1
W25Q128JVSIQ
rU4
1
12MHz 18pF
rY1
21
WS2812B-MINI
YS-SK6812MINI-E
LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +13
1
C84256
1N4148WT
D1
2
27p
C1, C2
1
C1557
100n
C3
6
100n
C4, C7, C10, C12, C13, C14
1
1u
C5
2
10u
C6, C11
1
C1557
1u
C8
2
C1525
100n
C9, C15
1
C1525
1u
C16
2
C23345
5.1k
R1, R2
1
C25905
1k
R3
1
C25905
27
R4
1
27
R5
1
1k
R6
2
C25905
10k
R7, R9
1
C25908
5.6k
R8

Poly corne split42 left2 design files

The KiCad project lives in the thpoll83/PolyKybd repository on GitHub; these links point at the commit this page was built from.

Poly corne split42 left2: common questions

What microcontroller does the Poly corne split42 left2 use?

The Poly corne split42 left2 is built around the TD6811, from the RP2040/RP2350 family.

How big is the Poly corne split42 left2 PCB?

The Poly corne split42 left2 measures 277.2 × 107.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Poly corne split42 left2?

164 components, from 50 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 Poly corne split42 left2 design files?

From the thpoll83/PolyKybd repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Poly corne split42 left2 design in my own project?

Yes, under the terms of its CERN-OHL-W-2.0 license, which thpoll83 chose for the repository.

Can I test firmware for the Poly corne split42 left2 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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