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Dya right

cormoran·dya-dash-keyboard·hardware/dya-dash/right/dya-right.kicad_pcb

Dya right PCB layout, top view — open source Nordic nRF board by cormoran
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About the Dya right PCB

Dya right is an open source Nordic nRF PCB design by cormoran, published on GitHub under the CC-BY-4.0 license. It is a 2-layer board measuring 127.2 × 92.9 mm, with 121 components from 26 distinct parts.

Its main chip is the XIAO-nRF52840-SMD, from the Nordic nRF family.

It belongs with the keyboards and iot & wireless designs in this gallery.

From the project

DYA Dash portable wireless split keyboard with 25mm trackball

- Controller: XIAO NRF52840 - Firmware: ZMK - Switch: Kailh Choc v2, hotswappable (2pin) - AAA battery (1.2V NiMH or 1.5V) - Touch sensor buttons (See movie how it works) - PMW3610 low power trackball sensor - LED x 4 x 2 for BLE profile, battery level indication (See movie how it works) - Hardware capability for below features (Not tested yet) - Dual trackball support - Wired connection

Dya right, from the project README
From the project README

Dya right bill of materials (BOM)

121 components, 26 distinct parts.

QtyPartRefs
4
~
CR1, CR2, CR3, CR4
3
10uF
CR5, CR7, CR8
1
20pF
CR6
46
D
DR1, DR2, DR3, DR4, DR5, DR6, DR7, DR8 +38
1
Jumper_2_Open
JPR1
1
USB_C_Receptacle_USB2.0_14P
JR1
1
Conn_01x04
JR3
1
Conn_01x02_Pin
JR4
1
0.47uH
LR1
8
Q_PMOS_GSD
QR1, QR2, QR3, QR4, QR5, QR6, QR7, QR8
4
100kΩ
RR1, RR4, RR12, RR13
1
1MΩ
RR2
2
470kΩ
RR3, RR6
6
100Ω
RR5, RR8, RR9, RR10, RR11, RR15
1
150kΩ
RR7
1
1kΩ
RR14
22
SW_Push_45deg
SWR1, SWR2, SWR3, SWR4, SWR5, SWR6, SWR7, SWR8 +14
4
SW_Push_45deg
SWR19, SWR24, SWR25, SWR26
2
SW_Push_45deg
SWR27, SWR28
1
SW_SPDT
SW_BATR1
Show 6 more
QtyPartRefs
2
Conn_01x01_Pin
TR3, TR4
1
XIAO-nRF52840-SMD
UR1
1
TPS61021A
UR2
1
BU42
UR3
1
TTP224
UR4
4
SK6812
LED_R1, LED_R2, LED_R3, LED_R4

Dya right design files

The KiCad project lives in the cormoran/dya-dash-keyboard repository on GitHub; these links point at the commit this page was built from.

Dya right: common questions

What microcontroller does the Dya right use?

The Dya right is built around the XIAO-nRF52840-SMD, from the Nordic nRF family.

How big is the Dya right PCB?

The Dya right measures 127.2 × 92.9 mm, has 2 copper layers and is 1.29 mm thick.

How many components are on the Dya right?

121 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the Dya right design files?

From the cormoran/dya-dash-keyboard repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Dya right design in my own project?

Yes, under the terms of its CC-BY-4.0 license, which cormoran chose for the repository.

Can I test firmware for the Dya right 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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