Spinning Magnets Do Your Dice Rolling For You

Dice are about the simplest machines possible, and they’ve been used since before recorded history to generate random numbers. But no machine is so simple that a little needless complexity ca…

Generating A Lost Password By Traveling Back In Time

It’s probable that some of you reading this will have been approached in the past by people who’ve lost the password to their crypto wallets. They hear that you’re involved in som…

Linear Feedback Shift Registers For FPGAs

If you want to start an argument at a Hackaday meeting, you have only to ask something like “How much does this weigh?” or “What time is it?” But if you really want to start…

Yes We Have Random Bananas

If you ask a normal person to pick a random number, they’ll usually just blurt out a number. But if you ask a math-savvy person for a random number, you’ll probably get a lecture about …

Electronic Dice Is Introduction To Microcontroller Programming

By now most of us are familiar with the Arduino platform. It’s an inexpensive and fairly easy way into the world of microcontrollers. For plenty of projects, there’s no need to go beyon…

555 Timer On Its Own In Electronic Dice

One of the most common clichés around here is that a piece of equipment chosen for a project is always too advanced. If a Raspberry Pi was used, someone will say they should have used an Arduino. I…