Stack Exchange Network

Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Loading…
  1. 0
  2. +0
    • Tour Start here for a quick overview of the site
    • Help Center Detailed answers to any questions you might have
    • Meta Discuss the workings and policies of this site
    • About Us Learn more about Stack Overflow the company
    • Business Learn more about hiring developers or posting ads with us
  3. Log in Sign up
  4. current community

    • Cryptography
      help chat
    • Cryptography Meta

    your communities

    Sign up or log in to customize your list.

    more stack exchange communities

    company blog
Cryptography
  1. Home
    1. Questions
    2. Tags
    3. Users
    4. Unanswered
    5. Jobs
Profile Activity
Network profile
101
reputation
2

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 (₿).

  • San Francisco Bay Area, CA, United States
  • righto.com
  • Member for 3 years
  • 4 profile views
  • Last seen Mar 16 '20 at 23:08

Communities (36)

  • Electrical Engineering 1.9k 1.9k 1111 silver badges2020 bronze badges
  • Stack Overflow 1.4k 1.4k 1414 silver badges1515 bronze badges
  • Retrocomputing 923 923 99 silver badges88 bronze badges
  • Space Exploration 411 411 33 silver badges66 bronze badges
  • Worldbuilding 341 341 11 silver badge55 bronze badges
  • View network profile

Top network posts

  • 57 Homebrew will not run wget command (Library not loaded)
  • 37 Were people building CPUs out of TTL logic prior to the 4004, 8080 and the 6800?
  • 30 Pillow: strange behavior using Draw.rectangle
  • 26 Could the museum Saturn V's be refitted for one more flight?
  • 24 A two-thresholds poison: how does it work?
  • 22 Did the Apollo Guidance Computer really use 60% of the world's ICs in 1963?
  • 18 does 8085 CPU have an extra register within ALU?
  • View more network posts →

Keeping a low profile.

This user hasn't posted yet.

Badges (2)

Gold

—

Silver

—

Bronze

2

Rarest

  •  Supporter
    Mar 14 '20
  •  Autobiographer
    Feb 5 '18
Cryptography
  • Tour
  • Help
  • Chat
  • Contact
  • Feedback
  • Mobile
Company
  • Stack Overflow
  • For Teams
  • Advertise With Us
  • Hire a Developer
  • Developer Jobs
  • About
  • Press
  • Legal
  • Privacy Policy
  • Terms of Service
Stack Exchange
Network
  • Technology
  • Life / Arts
  • Culture / Recreation
  • Science
  • Other
  • Stack Overflow
  • Server Fault
  • Super User
  • Web Applications
  • Ask Ubuntu
  • Webmasters
  • Game Development
  • TeX - LaTeX
  • Software Engineering
  • Unix & Linux
  • Ask Different (Apple)
  • WordPress Development
  • Geographic Information Systems
  • Electrical Engineering
  • Android Enthusiasts
  • Information Security
  • Database Administrators
  • Drupal Answers
  • SharePoint
  • User Experience
  • Mathematica
  • Salesforce
  • ExpressionEngine® Answers
  • Stack Overflow em Português
  • Blender
  • Network Engineering
  • Cryptography
  • Code Review
  • Magento
  • Software Recommendations
  • Signal Processing
  • Emacs
  • Raspberry Pi
  • Stack Overflow на русском
  • Code Golf
  • Stack Overflow en español
  • Ethereum
  • Data Science
  • Arduino
  • Bitcoin
  • Software Quality Assurance & Testing
  • Sound Design
  • Windows Phone
  • more (28)
  • Photography
  • Science Fiction & Fantasy
  • Graphic Design
  • Movies & TV
  • Music: Practice & Theory
  • Worldbuilding
  • Video Production
  • Seasoned Advice (cooking)
  • Home Improvement
  • Personal Finance & Money
  • Academia
  • Law
  • Physical Fitness
  • Gardening & Landscaping
  • Parenting
  • more (10)
  • English Language & Usage
  • Skeptics
  • Mi Yodeya (Judaism)
  • Travel
  • Christianity
  • English Language Learners
  • Japanese Language
  • Chinese Language
  • French Language
  • German Language
  • Biblical Hermeneutics
  • History
  • Spanish Language
  • Islam
  • Русский язык
  • Russian Language
  • Arqade (gaming)
  • Bicycles
  • Role-playing Games
  • Anime & Manga
  • Puzzling
  • Motor Vehicle Maintenance & Repair
  • Board & Card Games
  • Bricks
  • Homebrewing
  • Martial Arts
  • The Great Outdoors
  • Poker
  • Chess
  • Sports
  • more (16)
  • MathOverflow
  • Mathematics
  • Cross Validated (stats)
  • Theoretical Computer Science
  • Physics
  • Chemistry
  • Biology
  • Computer Science
  • Philosophy
  • Linguistics
  • Psychology & Neuroscience
  • Computational Science
  • more (10)
  • Meta Stack Exchange
  • Stack Apps
  • API
  • Data
  • Blog
  • Facebook
  • Twitter
  • LinkedIn
  • Instagram

site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. rev 2021.3.2.38685