HardLabs

Ghost

ahtn·keyboard_pcb·ghost/ghost.kicad_pcb

Ghost PCB layout, top view — open source AVR/Arduino board by ahtn

About the Ghost PCB

Ghost is an open source AVR/Arduino PCB design by ahtn, published on GitHub. It is a 2-layer board measuring 185 × 52 mm, with 38 components from 6 distinct parts.

Its main chip is the ATXMEGA32A4U-AUR, from the AVR/Arduino family. Other key parts include the 576-4764-1. By type, the board carries 30 relays, 5 capacitors, 2 ICs and 1 connector.

It belongs with the keyboards designs in this gallery.

Ghost, from the project README
From the project README

Main components on the Ghost

576-4764-1ATXMEGA32A4U-AUR

Ghost bill of materials (BOM)

38 components, 6 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
576-4764-1
MIC550X
U1
1
ATXMEGA32A4U-AUR
ATXMEGA-A4U-EPAD
U2
1
609-4618-1
USB_B
J2
30
K00
K0, K1, K2, K3, K4, K5, K6, K7 +22
1
10UF
10uF
C1
4
0.1UF
0.1uF
C2, C3, C4, C5

Ghost design files

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

Ghost: common questions

What microcontroller does the Ghost use?

The Ghost is built around the ATXMEGA32A4U-AUR, from the AVR/Arduino family.

How big is the Ghost PCB?

The Ghost measures 185 × 52 mm, has 2 copper layers and is 0.8 mm thick.

How many components are on the Ghost?

38 components, from 6 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 Ghost design files?

From the ahtn/keyboard_pcb repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Ghost design in my own project?

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

Can I test firmware for the Ghost 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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