Space Exploration Beta
Profile Activity
Network profile
411
reputation
3
6

Ken Shirriff

Interested in computer history and reverse engineering old chips. Currently restoring a Xerox Alto.

Some projects: Wrote the Arduino IRremote library for infrared remotes. Attempted Bitcoin mining on a 55 year old IBM punch card mainframe. Got six symbols added to Unicode including the Bitcoin symbol (₿).

3
answers
0
questions
~7k
people reached
  • San Francisco Bay Area, CA, United States
  • righto.com
  • Member for 2 years, 3 months
  • 23 profile views
  • Last seen Jan 11 at 23:58

Communities (36)

Top network posts

Top tags (0)

This user has not participated in any tags.

Top posts (3)

All Questions Answers
Votes Newest
26 Could the museum Saturn V's be refitted for one more flight? Apr 2 '19
3 Bits per core for the different versions of the Apollo guidance computer core rope memory? Apr 4 '19
2 Apollo-11 AGC core memory has 5 wires per core (rather than 3 or 4) - why? Apr 4 '19

Badges (9)

Gold

—

Silver

3

Rarest

Bronze

6

Rarest

View all badges →