HardLabs

Poly kybd split72 left

thpoll83·PolyKybd·poly_kybd/poly_kybd_split72_left.kicad_pcb

Poly kybd split72 left PCB layout, top view — open source RP2040/RP2350 board by thpoll83
Simulate this board

About the Poly kybd split72 left PCB

Poly kybd split72 left is an open source RP2040/RP2350 PCB design by thpoll83, published on GitHub under the CERN-OHL-W-2.0 license. It is a 4-layer board measuring 182 × 129 mm, with 498 components from 48 distinct parts.

Its main chip is the C2040, from the RP2040/RP2350 family. Other key parts include the C141836, C55136, 74HC595BQ,115, BY25Q64ESCIG(R) and C2836386. By type, the board carries 245 capacitors, 62 resistors, 41 diodes, 39 connectors, 36 LEDs and 26 ICs.

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 kybd split72 left, from the project README
From the project README

Main components on the Poly kybd split72 left

C141836C5513674HC595BQ,115BY25Q64ESCIG(R)C2040C283638674AHC1G125GW,125

Poly kybd split72 left bill of materials (BOM)

498 components, 48 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
C141836
TLV62569DBVR
TI
U1, U2
1
C55136
SY6280AAC
Silergy
U3
5
74HC595BQ,115
74HC595BQ
Nexperia
U4, U5, U6, U7, U8
1
BY25Q64ESCIG(R)
BOYAMICRO
U9
1
C2040
RP2040
Raspberry Pi
U10
2
C2836386
TPD4E05U06DQAR
MSKSEMI
U11, U26
14
74AHC1G125GW,125
Nexperia
U12, U13, U14, U15, U16, U17, U18, U19 +6
1
C93114
7M12000044
TXC
Y1
36
C324724
FH34SRJ-14S-0.5SH
JUSHUO
J1, J2, J3, J4, J5, J6, J7, J8 +28
1
C424659
FH34SRJ-12S-0.5SH
Hirose
J37
1
DNP
Conn_01x05
J38
1
C506793
FH12-30S-0.5SH
Hirose
J39
1
DNP
Conn_01x03_Male
DBG1
1
DNP
DebugPort
DBG3
1
DNP
CurrentLimitBypass
JP1
1
DNP
RotaryEncoder_Switch
SW1
2
C79174
EVQPUC02K
Panasonic
SW2, SW3
36
C5156480
Kailh CPG151101S11-16
Kailh
SW_K_1, SW_K_2, SW_K_3, SW_K_4, SW_K_5, SW_K_6, SW_K_7, SW_K_8 +28
2
C165948
TYPE-C-31-M-12
Hroparts
USB1, USB2
36
C5349958
XL-3030RGBC
Xinglight
LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +28
Show 28 more
QtyPartRefs
1
C84256
Red 0805 C84256
NationStar
D1
37
C6423741
1N4148WSX
Shenzhen JingYang
D1_1, D1_2, D1_3, D1_4, D1_5, D1_6, D1_7, D1_8 +29
1
C191023
1N5819WS
Hottech
D2
1
C2297
Green 0805 C2297
Hubei KENTO
D5
1
C2296
Yellow 0805 C2296
Hubei KENTO
D6
2
C1017
GZ2012D601TF
Sunlord
FB1, FB2
2
C133191
2.2uH
SXN
L1, L2
36
C57895
2.2uF 0603 25V
Samsung
C1_1, C1_2, C1_3, C1_4, C1_5, C1_6, C1_7, C1_8 +28
114
C52923
1uF 0402 16V
Samsung
C2, C3_1, C3_2, C3_3, C3_4, C3_5, C3_6, C3_7 +106
36
C23630
2.2uF 0603 16V
Samsung
C2_1, C2_2, C2_3, C2_4, C2_5, C2_6, C2_7, C2_8 +28
2
C86287
27pF 0402 16V
Samsung
C3, C8
2
C1779
4.7uF 0805 25V
Samsung
C4, C10
38
293D475X9025A2TE3
4.7uF 3216 25V Tantalum
Vishay
C4_1, C4_2, C4_3, C4_4, C4_5, C4_6, C4_7, C4_8 +30
2
CL10C6R8CB8NNNC
6.8pF 0603 50V
Samsung
C5, C11
5
C15850
10uF 0805 16V
Samsung
C6, C12, C13, C14, C26
10
C1525
100nF 0402 16V
Samsung
C9, C15, C16, C17, C18, C19, C20, C21 +2
2
C108405
22 0603
Yageo
R1, R2
39
C60490
10k 0402
Yageo
R1_1, R1_2, R1_3, R1_4, R1_5, R1_6, R1_7, R1_8 +31
4
C144745
5.1K 0402
Yageo
R3, R4, R7, R9
5
CRCW04021K00FKED
1k 0402
Vishay
R5, R6, R16, R19, R21
1
C163457
5.6K 0402
Yageo
R8
3
C137735
390k 0603 1%
Yageo
R10, R11, R30
2
C114660
150k 0603
Yageo
R12, R17
1
C114659
12k 0603
Yageo
R13
1
C137690
680k 0603
Yageo
R14
1
C227547
10M 0603
Yageo
R18
2
C137753
27 0603
Yageo
R22, R23
1
C137747
2M2 0603
Yageo
R24

Poly kybd split72 left 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 kybd split72 left: common questions

What microcontroller does the Poly kybd split72 left use?

The Poly kybd split72 left is built around the C2040, from the RP2040/RP2350 family.

How big is the Poly kybd split72 left PCB?

The Poly kybd split72 left measures 182 × 129 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the Poly kybd split72 left?

498 components, from 48 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 kybd split72 left design files?

From the thpoll83/PolyKybd 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 Poly kybd split72 left 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 kybd split72 left 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.

More boards in PolyKybd

Similar boards