HardLabs

Luna65

NeilKhera·Luna65·kicad_files/Luna65.kicad_pcb

Luna65 PCB layout, top view — open source Nordic nRF board by NeilKhera
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About the Luna65 PCB

Luna65 is an open source Nordic nRF PCB design by NeilKhera, published on GitHub under the Custom license license. It is a 2-layer board measuring 316.4 × 95.3 mm, with 321 components from 35 distinct parts.

Its main chip is the MBT40, from the Nordic nRF family. Other key parts include the ATMEGA32U4 and TXS0101DBVR. By type, the board carries 142 diodes, 83 resistors, 68 switches, 20 capacitors, 3 ICs and 2 transistors.

It belongs with the keyboards designs in this gallery.

From the project

(WIP) A 65% keyboard PCB!

TL;DR This project is provided as is. You are free to use it however you like but I have no intention to polish it into a complete ready-to-ship product. Functionality may be added or removed at any moment and the project will be abandoned whenever I get too bored to carry on. (Do, let me know if you actually get some boards made - that'd be sickkkkk!)

Creative Commons Attribution/Share-Alike. See license.txt for additional details.

Main components on the Luna65

ATMEGA32U4MBT40TXS0101DBVR

Luna65 bill of materials (BOM)

321 components, 35 distinct parts.

QtyPartRefs
1
ATMEGA32U4
U1
1
MBT40
U2
1
TXS0101DBVR
Texas Instruments
U3
1
2N7002
Changjiang Electronics Tech
Q1
1
Alpha & Omega Semicon
AO3401A
AO3401A
Q2
1
16MHz
Y1
1
Molex Power
J1
1
nRF51 Pin Headers
J2
54
Mechanical_Switch
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +46
1
Mechanical_Switch
SW14
2
Mechanical_Switch
SW16, SW29
2
Mechanical_Switch
SW31, SW56
2
Mechanical_Switch
SW43, SW45
5
Mechanical_Switch
SW59, SW60, SW61, SW63, SW64
1
Mechanical_Switch
SW62
1
SW_Push
SW68
67
1N4148W
D1, D2, D3, D4, D5, D6, D7, D8 +59
3
SK812MINI-E
SK6812MINI-E
Dongguan Opsco Optoelectronics
D68, D69, D70
67
LED
D71, D72, D73, D74, D75, D76, D77, D78 +59
1
Red
D138
Show 15 more
QtyPartRefs
1
Blue
D139
3
SK68XX_SIDE
D140, D141, D142
2
22pF
C1, C2
5
1uF
C3, C8, C9, C11, C12
11
0.1uF
C4, C5, C6, C7, C10, C13, C14, C15 +3
2
0.1uF
C16, C17
1
1K
R1
1
10K
R2
1
100
R3
2
2.2K
R4, R5
1
10K
R6
6
5.1R
R7, R8, R9, R81, R82, R83
2
0402WGF1000TCE
100
Uniroyal
R10, R13
2
0402WGF1002TCE
10K
Uniroyal
R11, R12
67
0805W8F1001T5E
1K
Uniroyal
R14, R15, R16, R17, R18, R19, R20, R21 +59

Luna65 design files

The KiCad project lives in the NeilKhera/Luna65 repository on GitHub; these links point at the commit this page was built from.

Luna65: common questions

What microcontroller does the Luna65 use?

The Luna65 is built around the MBT40, from the Nordic nRF family.

How big is the Luna65 PCB?

The Luna65 measures 316.4 × 95.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Luna65?

321 components, from 35 distinct parts. The full bill of materials is listed on this page.

Where can I download the Luna65 design files?

From the NeilKhera/Luna65 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Luna65 design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

Can I test firmware for the Luna65 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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