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RC6802 Beep Chaser

tebl·RC6802-Microchicken·RC6802 Beep Chaser/RC6802 Beep Chaser.kicad_pcb

RC6802 Beep Chaser PCB layout, top view — open source board by tebl

About the RC6802 Beep Chaser PCB

RC6802 Beep Chaser is an open source PCB design by tebl, published on GitHub under the CERN-OHL-1.2 license. It is a 2-layer board measuring 99.1 × 92.7 mm, with 31 components from 12 distinct parts.

Other key parts include the 74LS374 and 74LS138. By type, the board carries 9 resistors, 8 diodes, 4 connectors, 3 ICs, 3 capacitors and 2 modules.

It belongs with the retro computing designs in this gallery.

From the project

Computer based on the Motorola 6802 processor, called RC6802 Microchicken as it's an adaption of the one found in a computer projects book by Daniel Metzger.

When starting out with retro computers, both fictional made homebrew or the commercial ones that were actually available for purchase in the 70s and 80s, there's one book in particular I've particularly enjoyed reading - that book is "22 micro-computer projects - to build, learn and learn" by Daniel Metzger (check out ebay or abebooks.com for a copy). Written in 1985 on the tail-end of the homebrew computer-period, it gathers what I believe is the culmination of 10 years of teaching basic electronics, digital logic and computers to people without any prior knowledge for any of those things -…

RC6802 Beep Chaser, from the project README
From the project README

Main components on the RC6802 Beep Chaser

74LS37474LS138

RC6802 Beep Chaser bill of materials (BOM)

31 components, 12 distinct parts.

QtyPartRefs
2
74LS374
U1, U2
1
74LS138
U3
2
Mounting
M3, M4
1
2N3904
Q1
1
SPK
J1
1
RC6802_UI_Port
J2
1
EXT
J3
1
READ
J4
1
Speaker
LS1
8
LED
D0, D1, D2, D3, D4, D5, D6, D7
3
100nF
C1, C2, C3
9
220
R1, R4, R5, R6, R7, R8, R9, R10 +1

RC6802 Beep Chaser design files

The KiCad project lives in the tebl/RC6802-Microchicken repository on GitHub; these links point at the commit this page was built from.

RC6802 Beep Chaser: common questions

How big is the RC6802 Beep Chaser PCB?

The RC6802 Beep Chaser measures 99.1 × 92.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the RC6802 Beep Chaser?

31 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the RC6802 Beep Chaser design files?

From the tebl/RC6802-Microchicken repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the RC6802 Beep Chaser design in my own project?

Yes, under the terms of its CERN-OHL-1.2 license, which tebl chose for the repository.

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