KP06 keypad

siderakb·keypad·KP06_keypad/KP06_keypad.kicad_pcb

KP06 keypad PCB layout, top view — open source Nordic nRF board by siderakb

About the KP06 keypad PCB

KP06 keypad is an open source Nordic nRF PCB design by siderakb, published on GitHub under the MIT license. It is a 2-layer board measuring 78.6 × 34.8 mm, with 76 components from 54 distinct parts.

Its main chip is the C2827654, from the Nordic nRF family. Other key parts include the C47773, C2759934 and C2040. By type, the board carries 27 capacitors, 18 resistors, 7 relays, 4 ICs, 4 connectors and 4 inductors.

It belongs with the keyboards designs in this gallery.

From the project

Some keypads/macropads

KP06 keypad, from the project README
From the project README

Main components on the KP06 keypad

KP06 keypad bill of materials (BOM)

76 components, 54 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
C2827654
nRF52840
U1
1
C47773
USBLC6-2SC6
U2
1
C2759934
RT9193-18GB
U3
1
C2040
TP4057
U4
1
AO3407A
Q1
1
C9002
32.768kHz
Y1
1
C9002
32MHz
Y2
1
C165948
USB_C_Receptacle_USB2.0
J1
1
C165948
Conn_01x04
J2
1
C165948
Conn_01x02
J3
1
C2345
Conn_01x02
J4
1
Antenna
AE1
1
RotaryEncoder_Switch
ENC1
1
C70061
500mA
F1
1
SolderJumper_2_Open
JP1
6
SW_Push
K1, K2, K3, K4, K5, K6
1
SW_Push
K7
1
C318884
SW_SPST
SW1
3
LED
LD1, LD2, LD3
1
1N5819
D1
Show 34 more
QtyPartRefs
1
15nH
L1
2
10uH
L2, L3
1
4.7nH
L4
2
C15525
10nF
C1, C2
2
C15525
4.7uF
C3, C4
1
C52923
4.7uF
C5
1
C52923
1uF
C6
1
C15525
100nF
C7
2
C1525
100nF
C8, C9
1
C1525
4.7uF
C10
1
C52923
47nF
C11
3
C1525
1uF
C12, C23, C25
1
C52923
820pF
C13
1
C52923
100pF
C14
1
C1554
100nF
C15
2
C1554
12pF
C16, C17
1
C1554
DNI
C18
1
C1525
0.5pF
C19
1
C1525
0.8pF
C20
1
C1525
12pF
C21
1
C52923
12pF
C22
1
C1525
22nF
C24
1
C1525
10uF
C26
1
C1525
10nF
C27
2
C25905
10k
R1, R2
2
C25744
5.1k
R5, R6
1
C82294
10k
R7
6
C25744
R
R8, R9, R10, R11, R12, R13
1
C25744
1k
R14
1
C25744
100k
R15
1
C25190
R
R16
1
C25190
R_{prog}
R17
2
C25744
2M
R18, R19
1
C25744
10M
R20

KP06 keypad design files

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

KP06 keypad: common questions

What microcontroller does the KP06 keypad use?

The KP06 keypad is built around the C2827654, from the Nordic nRF family.

How big is the KP06 keypad PCB?

The KP06 keypad measures 78.6 × 34.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the KP06 keypad?

76 components, from 54 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 KP06 keypad design files?

From the siderakb/keypad 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 KP06 keypad design in my own project?

Yes, under the terms of its MIT license, which siderakb chose for the repository.

Can I test firmware for the KP06 keypad 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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