HardLabs

Mfk60

niw·mfk60

Mfk60 PCB layout, top view — open source AVR/Arduino board by niw

About the Mfk60 PCB

Mfk60 is an open source AVR/Arduino PCB design by niw, published on GitHub under the MIT license. It is a 2-layer board measuring 171.5 × 95.3 mm, with 162 components from 17 distinct parts.

Its main chip is the ATmega32U4-M, from the AVR/Arduino family. By type, the board carries 63 switches, 61 diodes, 14 capacitors, 14 resistors, 4 connectors and 2 ICs.

It belongs with the keyboards designs in this gallery.

From the project

60% ANSI Layout Split Keyboard. mfk60 is My First Keyboard, 60%.

60% ANSI Layout Split Keyboard. mfk60 is My First Keyboard, 60%.

- A split keyboard that has 60% ANSI Layout. - Swappable Gateron Low-Profile MX keycap compatible switches. - Thin design as MacBook Pro. - USB-C interface. - Fully customizable with QMK firmware and VIA configuration.

mfk60 is built with 4 layered boards, the top plate, middle plate, primary PCB where the entire circuit exists, and bottom plate.

Mfk60, from the project README
From the project README

Main components on the Mfk60

ATmega32U4-M

Mfk60 bill of materials (BOM)

162 components, 17 distinct parts.

QtyPartRefs
2
ATmega32U4-M
U1, U2
2
16M
Y1, Y2
2
USB_C_Receptacle_USB2.0
J1, J4
2
TRRS Jack
J2, J5
2
500m
F1, F2
6
KS-33
SW1, SW7, SW21, SW35, SW48, SW58
51
KS-33
SW2, SW3, SW4, SW5, SW6, SW8, SW9, SW10 +43
4
KS-33
SW41, SW42, SW57, SW59
2
RST
SW62, SW63
61
D
D1, D2, D3, D4, D5, D6, D7, D8 +53
6
100n
C1, C2, C3, C8, C9, C10
2
10u
C4, C11
4
22p
C5, C6, C12, C13
2
1u
C7, C14
4
5.1k
R1, R2, R8, R9
4
22
R3, R4, R10, R11
6
10k
R5, R6, R7, R12, R13, R14

Mfk60 design files

The KiCad project lives in the niw/mfk60 repository on GitHub; these links point at the commit this page was built from.

Mfk60: common questions

What microcontroller does the Mfk60 use?

The Mfk60 is built around the ATmega32U4-M, from the AVR/Arduino family.

How big is the Mfk60 PCB?

The Mfk60 measures 171.5 × 95.3 mm, has 2 copper layers and is 1.2 mm thick.

How many components are on the Mfk60?

162 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mfk60 design files?

From the niw/mfk60 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Mfk60 design in my own project?

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

Can I test firmware for the Mfk60 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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