A spare KIM-1 keypad is even rarer than a KIM-1 itself. With this guide you can build a reasonable replica of the keypad.
Thanks to the work of Eduardo Casino (the PCB) and Pete (peo2000 on forum64.org) I have published a DIY guide for a good looking KIM-1 keypad replica.
RIP Sir Charles Antony Richard Hoare (11 January 1934 – 5 March 2026), also known as C. A. R. Hoare, pioneering computer scientist.
His seminal contributions include -
Quicksort
Quickselect
Hoare logic
Null reference
Communicating sequential processes
Structured programming
ALGOL
https://blog.computationalcomplexity.org/2026/03/tony-hoare-1934-2026.html
https://amturing.acm.org/award_winners/hoare_4622167.cfm
https://en.wikipedia.org/wiki/Tony_Hoare
1/n
New blog: Cheap as Chips Logic Analyzers in 2026. Amazing what you can buy for less than a fish supper.
https://lushprojects.com/blog/2026/02/cheap-logic-analyzers-2026/
AkaSci 🛰️
alphabetter
Retro Revd