0

Bringing a Classic HP 35 Calculator Back to Life @HP

EDN Network posts a great article on how Michael Dunn buys a classic HP-35 calculator and gets it going with a modern LiPo battery and some circuit ingenuity.

HP Calculators

Do you have a fondness for calculators which came out in years past? Post your favorites below.

My favorites were the LCD Casio calculators for simple things and a TI-55 LED calculator which got me through engineering school.


Related
The HP-35 – Consumer Electronics, an Origin Story.


Join 5,000+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

CircuitPython in 2018 – Python on Microcontrollers is here!

Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/


Maker Business — A journey through Shenzhen, the electronics manufacturing hub of the world

Wearables — Ice, ice baby

Electronics — Current limiting!

Biohacking — Grindfest 2018

Python for Microcontrollers — CRICKITs are coming!

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !



1 Comment

  1. This EC-4016 is so thin and had the hex conversion I needed as a computer science student. I’ve never found them for sale or anything comparable since.

Sorry, the comment form is closed at this time.