HardLabs

HE-Keyboard-Trial

IHW1012·HE-Keyboard-Trial

HE-Keyboard-Trial PCB layout, top view — open source Nordic nRF board by IHW1012

About the HE-Keyboard-Trial PCB

HE-Keyboard-Trial is an open source Nordic nRF PCB design by IHW1012, published on GitHub. It is a 2-layer board measuring 301.1 × 91.9 mm, with 173 components from 56 distinct parts.

Its main chip is the C190794, from the Nordic nRF family. Other key parts include the nRF52840 aQFN73 Datasheet Layout and GH39FKSW. By type, the board carries 68 ICs, 56 capacitors, 9 resistors, 8 inductors, 3 connectors and 3 fuses.

It belongs with the keyboards designs in this gallery.

From the project

Adjusted Void Keyboard from RIskable to fit 65% layout of 66-keys + 1 rotary encoder keyboard

Main components on the HE-Keyboard-Trial

C190794nRF52840 aQFN73 Datasheet LayoutGH39FKSW

HE-Keyboard-Trial bill of materials (BOM)

173 components, 56 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
C190794
nRF52840 aQFN73 Datasheet Layout
MCU1
1
nRF52840 aQFN73 Datasheet Layout
MCU2
66
GH39FKSW
Hall_Sensor
U1, U2, U3, U4, U5, U6, U7, U8 +58
1
USB_A
J1
2
TC2050-IDC
J2, J3
5
CD74HC4067SM
AM0, AM1, AM2, AM3, AM4
2
~
ANT1, ANT2
1
HCZZ0001-2
BS1
2
32MHZ
32MHz
CR1, CR3
1
32.768KHZ
32.768kHz
CR2
1
32.768KHZ
32.768kHz
CR4
2
HCZZ0001-11
DBS0, MBS1
2
HCZZ0001-5
DBS1, MBS2
2
PRTR5V0U2X
ESD1, ESD2
3
500MA
500mA
F1, F2, F3
1
C7501206
nPM1300 Datasheet Layout
ICCPR1
1
RotaryEncoder_Switch_MP
RK1
1
C2886897
Switch
RSW1
1
K3-1346S-K1
SSW1
1
K3-1280S-K1
SSW2
Show 36 more
QtyPartRefs
1
USB_C_RECEPTACLE_USB2.0_14P
USB_C_Receptacle_USB2.0_14P
USBC1
2
LED_SK6812MINI
LED1, LED2
2
120R/0.85A
FB3, FB4
1
4.7NH
4.7nH
L1
1
C5185544
2.2µH
L2
1
4.7NH
4.7nH
L3
2
C87216
10µH
L4, L5
1
15NH
15nH
L6
5
100NF
100nF
C1, C8, C9, C10, C19
1
100PF
100pF
C2
1
820PF
820pF
C3
6
1µF
C4, C6, C22, C25, C36, C43
4
4.7µF
C5, C7, C39, C48
4
12PF
12pF
C11, C14, C16, C17
1
0.8PF
0.8pF
C12
1
0.5PF
0.5pF
C13
1
1µF
C18
3
10µF
C20, C21, C24
1
2.2µF
C23
7
100NF
100nF
C26, C33, C49, C50, C51, C53, C59
3
N.C.
C27, C28, C29
1
1.5PF
1.5pF
C30
4
12PF
12pF
C31, C32, C41, C42
4
N.C.
C34, C40, C46, C57
1
100PF
100pF
C35
1
47NF
47nF
C37
1
820PF
820pF
C38
1
0.8PF
0.8pF
C44
1
0.5PF
0.5pF
C45
1
1.5PF
1.5pF
C47
2
4.7µF
C52, C54
1
10NF
10nF
C58
2
0R
R1, R9
1
4R7
R2
1
250-500K
250-500k
R3
5
10K
10k
R4, R5, R6, R7, R8

HE-Keyboard-Trial design files

The KiCad project lives in the IHW1012/HE-Keyboard-Trial repository on GitHub; these links point at the commit this page was built from.

HE-Keyboard-Trial: common questions

What microcontroller does the HE-Keyboard-Trial use?

The HE-Keyboard-Trial is built around the C190794, from the Nordic nRF family.

How big is the HE-Keyboard-Trial PCB?

The HE-Keyboard-Trial measures 301.1 × 91.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the HE-Keyboard-Trial?

173 components, from 56 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 HE-Keyboard-Trial design files?

From the IHW1012/HE-Keyboard-Trial 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 HE-Keyboard-Trial design in my own project?

The repository has no license, so all rights stay with IHW1012. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the HE-Keyboard-Trial 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.

Similar boards