HardLabs

60pc

Connor-Devitt·60pc_Mechanical_Keyboard·HW/PCB/60pc_pcb.kicad_pcb

60pc PCB layout, top view — open source AVR/Arduino board by Connor-Devitt

About the 60pc PCB

60pc is an open source AVR/Arduino PCB design by Connor-Devitt, published on GitHub. It is a 2-layer board measuring 306.5 × 116 mm, with 153 components from 19 distinct parts.

Its main chip is the ATMEGA32U4, from the AVR/Arduino family. By type, the board carries 68 relays, 68 diodes, 9 capacitors, 4 resistors, 1 IC and 1 crystal.

It belongs with the keyboards designs in this gallery.

From the project

60% size keyboard including PCB, frame, and firmware.

60pc, from the project README
From the project README

Main components on the 60pc

ATMEGA32U4

60pc bill of materials (BOM)

153 components, 19 distinct parts.

QtyPartRefs
1
ATMEGA32U4
U1
1
Crystal_GND24
Y1
1
USB_mini_micro_B
J1
57
KEYSW
K1, K6, K7, K8, K9, K12, K13, K14 +49
2
KEYSW
K2, K67
2
KEYSW
K3, K59
2
KEYSW
K4, K63
3
KEYSW
K5, K10, K11
1
KEYSW
K35
1
KEYSW
K66
1
SW_PUSH
SW1
68
D
D1, D2, D3, D4, D5, D6, D7, D8 +60
4
0.1u
C1, C2, C3, C4
1
4.7u
C5
2
22p
C6, C7
1
1u
C8
1
10n
C9
2
10k
R1, R4
2
22
R2, R3

60pc design files

The KiCad project lives in the Connor-Devitt/60pc_Mechanical_Keyboard repository on GitHub; these links point at the commit this page was built from.

60pc: common questions

What microcontroller does the 60pc use?

The 60pc is built around the ATMEGA32U4, from the AVR/Arduino family.

How big is the 60pc PCB?

The 60pc measures 306.5 × 116 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 60pc?

153 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the 60pc design files?

From the Connor-Devitt/60pc_Mechanical_Keyboard repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the 60pc design in my own project?

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

Can I test firmware for the 60pc 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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