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2 layers85 × 67 mmCore64 HB, the printed circuit board in 3D

64 bits of core memory and LEDs to interact with directly using a magnetic wand.

Size
85 × 67 mm
Copper layers
2
Thickness
1.6 mm
Parts
347
Nets
65
Pads
507
Tracks, vias
263, 47
Pours
1
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
21 Jun 2019
Updated
1 Oct 2025

Overview

Core64 HB is an open-source printed circuit board by ageppert, from the ageppert/Core-64-Interactive-Core-Memory-Badge repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 85 × 67 mm with 347 parts on 65 nets, routed with 263 tracks and 47 vias.

It is built around the SFH11-NBPC-D03-ST-BK and SSW-104-22-L-S-VS. Its parts include 9 crystals and 2 inductors.

Main components

2

README

README.md

Core-64-Interactive-Core-Memory-Badge

Weave your own 64 bits of core memory over the top of LEDs to interact with directly using a magnetic wand.

Purchase: https://www.Core64.io

Follow this project at: https://hackaday.io/project/166155-core-64-interactive-core-memory-badge

You are in the development repository. Beta Kits and production version firmware is at https://github.com/ageppert/Core64/

Hardware Version History (latest on top)

v0.5 Triple Board (added custom LED Matrix) - Beta Test Kits. Beta Kit Repo at https://github.com/ageppert/Core64/

v0.4 Core Board - Neon Pixel Edition. Expanded Core Grid Array to work with Neon Pixels!

v0.4 Dual Boards (Blue LB + Yellow CB), moved up to Teensy 3.2, removed IO Expanders, added more expansion/hacking headers.

v0.3.1 Hand re-worked v0.3 with 5V0 and 3V3 regulators each seperately sourced after power switch to provide improved power supplies.

v0.3 Dual Boards (both Red) with Teensy LC. One core board, one logic board. Used IO Expanders to drive the Core matrix, which ended up being way too slow.

v0.2 Bug fixes learned from v0.1 applied. This version has not been made or tested, but should work.

v0.1.1 Single Green Board worked after I added missing OR gate circuitry!

v0.1 Single Green Board with Teensy LC. The first hand assembled prototype. Made one and it worked after I added missing circuitry!

Share-A-Hack version

Proof-Of-Concept version

Parts

347
QtyValueFootprintReferences
2Core_64_LogoCore_64_KiCad_Library:Core64.io_w_core_symbolL1, L2
2DNICore_64_KiCad_Library:PinSocket_1x30_P2.54mm_VerticalX31, X71
2GND PADMountingHole:MountingHole_3.2mm_M3_Pad_ViaH1, H2
2HEADER_30-PIN_0.1Core_64_KiCad_Library:PinSocket_1x30_P2.54mm_VerticalX3, X7
2SolderJumper_3_OpenJumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabelsJP1, JP2
1D1Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mmJP8
1D2Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mmJP7
1G***kibuzzard-63EEE4D8kibuzzard-63EEE4D8
1G***kibuzzard-63DD735Ckibuzzard-63DD735C
1G***kibuzzard-63DD721Ekibuzzard-63DD721E
1G***kibuzzard-63DD6D83kibuzzard-63DD6D83
1G***kibuzzard-63DD6FFDkibuzzard-63DD6FFD
1G***kibuzzard-63DD6DA7kibuzzard-63DD6DA7
1G***kibuzzard-63DD6DEEkibuzzard-63DD6DEE
1G***kibuzzard-63EEE6A3kibuzzard-63EEE6A3
1G***kibuzzard-63DD70A9kibuzzard-63DD70A9
1HEADER_11-PIN_0.1Core_64_KiCad_Library:PinSocket_1x11_P2.54mm_VerticalX5
1Header_11-PIN_0.1Core_64_KiCad_Library:PinSocket_1x11_P2.54mm_VerticalX6
1QWIICConnector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_HorizontalX9
1SAO_conn_SFH11-NBPC-D03-ST-BKbadgelife_sao_v169bis:Badgelife-SAOv169-BADGE-2x3X8
1SSW-104-22-L-S-VSConnector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_VerticalX2

The 26 most common of 347 parts.

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Questions

How big is the Core64 HB PCB?

It measures 85 × 67 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Core64 HB use?

347 parts, built around the SFH11-NBPC-D03-ST-BK and SSW-104-22-L-S-VS. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Core64 HB KiCad files?

From the ageppert/Core-64-Interactive-Core-Memory-Badge repository on GitHub, at the commit this page was made from: the board is Electronic Design/Core64 HB v0.1/Core64 HB.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Core64 HB design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).