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Hacking an Inspection Microscope

Hacking an Inspection Microscope

Author: Elliot Williams / Source: Hackaday Sometimes I need to be able to take photographs of very small things, and the so-called macro mode on my point-and-shoot camera just won’t cut it. And it never hurts to have an inspection scope on hand for tiny...

Homemade Computer from 1970s Chips

Homemade Computer from 1970s Chips

Author: Bryan Cockfield / Source: Hackaday Sometimes it starts with a 555 timer and an op-amp. Other times with a small microcontroller. But the timing’s not so great and needs a dedicated timing crystal circuit. And maybe some more memory, and maybe the...

Reading Bingo Balls with Microcontrollers

Reading Bingo Balls with Microcontrollers

Author: Voja Antonic / Source: Hackaday Every once in a while a project comes along with that magical power to consume your time and attention for many months. When you finally complete it, you feel sorry that you don’t have to do anything more. What is so...

Use the Force to Turn On This Lamp

Use the Force to Turn On This Lamp

Author: Rich Hawkes / Source: Hackaday Holocrons are holographic data storage devices used in the Star Wars universe by both Jedi and Sith as teaching devices or for storing valuable information. After the fall of the Jedi, they became rare and closely...

NIST Helps You With Cryptography

NIST Helps You With Cryptography

Author: Elliot Williams / Source: Hackaday Getting cryptography right isn’t easy, and it’s a lot worse on constrained devices like microcontrollers. RAM is usually the bottleneck — you will smash your stack computing a SHA-2 hash on an AVR — but other...

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