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Connect a parallel ASCII Keyboard to an 8-bit Workbench™ or a Super Breadboard 2. With annotated keyboard sockets and a proto-area!
Retrocomputing
Keyboards
Prototyping

An extension adapter for the 8-bit Workbench™ or Super Breadboard 2 .

Hook up a old computer keyboard (e.g. from an Apple-1, an Apple 2 or a Sol-20) to the 8-bit Workbench product line. Test it, do conversion experiments or just see how things work. Getting excited? Strip off the high nibble of the ASCII code (use the proto-area) and use a vintage keyboard as input device for the Byte Adder Subtractor.

Depending on the connected keyboard, a power supply is needed that supplies -12V or +12V. Special keyboard buttons (like reset or break) can be tied to the action-signal. The strobe can be jumpered to the clock. Attach the Logic Probe option, check the logic values (high, low or float) with ease. It has a spring-loaded pin to make good contact with e.g. legs of an IC.

Extend and combine this Hex Keyboard with our other kits to learn and do (vintage) computer experiments. Visit our store to get more information on those products.

Buy three or more connecting 8-bit Workbench™ kits and receive a 15% discount. Use the code 8BW-KIT-DEAL in your cart.

See the documentation for details. Questions? Just ask!

Links to code and documentation

Schematics (8bitflux.com)

Bom (8bitflux.com)

Product HS Code: 85429000

Shipping policy

- Shipping is tracked (you receive the tracking number), unless impossible to your country.

- For USA: package can be tracked with USPS as soon as it is in your country. USA shipping rates include all import duties, which are paid by me (the seller).

- No insurance, my experience is this is a farce anyway.

- Item ships within 3 business days.

- Delivery is usually done within 10-15 business days, but may rarely take 4 weeks.

Here are some extras that might be useful for your project!
Connects at the top edge. Have an annotated 8-bits LED display w/ hex and octal.
Connects at the top edge. Enjoy short circuit protection and adds +3.3V.
Do addition and subtraction with the 8-bit full adder.

ASCII Keyboard Adapter

Sold by 8BitFlux.com

$15.01

No tax for United States [change]
Don't like soldering or want to play fast? Use our extra service at a surcharge.
Check logic values (high, low or float) in a circuit with ease. Great with the Super Breadboard.
Stock available: 2
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Original Design
This product was designed by 8BitFlux.com. By buying this product you support original hardware creators.

The seller

8BitFlux.com

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Hengevelde, Netherlands
3 orders since Jan 5, 2026
Please visit our website for the latest product information: 8BitFlux.com.