Collaborate Disseminate
While Texas Instruments maintains dominance in the calculator market (especially graphing calculators), there was a time when this wasn’t the case. HP famously built the first portable scientific calculator, the …read more Continue reading Reverse Time Back to the Days of RPN
With multi-segment displays, what you see available online is pretty much what you get. LEDs, LCDs, VFDs; if you want to keep your BOM at a reasonable price, you’ve pretty …read more Continue reading Custom Multi-Segment E-Ink Displays from Design to Driving
The amount of information the humble seven-segment display can convey is surprising. There are the ten numerals, dead-ringers or reasonable approximations for about half the alphabet, and even a few …read more Continue reading Sailing on a Sea of Seven-Segment Displays
We’re used to seeing all manner of seven-segment displays, be they mechanical, electronic, or something in between. But what all these displays have in common is that they’re, you know, …read more Continue reading The Seven-Segment Display That’s Also an Input Device
Getting DOOM to run on a computer it was never meant to run on is a fun trope in the world of esoteric retro computers. By now we’ve seen it …read more Continue reading Play DOOM on Seven-Segment Displays
Clocks are such mundane objects that it’s sometimes hard for them to grab your attention. They’re there when you need them, but they don’t exactly invite you to watch them …read more Continue reading Flip-Segment Digital Clock is a Miniature Mechanical Marvel
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 …read more Continue reading Electronic Dice Is Introduction To Microcontroller Programming
Sometimes the cost of simplicity is extra complexity. It seems counterintuitive, but it seems to be true. And this single-motor mechanical seven-segment display seems to be a perfect example of …read more Continue reading One Stepper Plus a Whole Bunch of Magnets Equals a Unique Seven-Segment Display
The seven-segment display may be a bit prosaic after all these years, but that doesn’t mean there aren’t ways to spice it up. Coming up with a mechanical version of …read more Continue reading A One-Servo Mechanical Seven-Segment Display
Seven-segment displays are ubiquitous. From where I’m writing this, I can see several without even having to swivel my chair. We’re all familiar with their classic visage; slightly italicized numbers …read more Continue reading Mesmerizing Mechanical Seven-Segment Display