HDMI For the Color Computer 2

[Scott Baker] bought a TRS-80 Color Computer off eBay some five years ago. He’d always intended to add a CoCoVGA or CoCoDV upgrade to hook it up to a monitor, …read more Continue reading HDMI For the Color Computer 2
Collaborate Disseminate

[Scott Baker] bought a TRS-80 Color Computer off eBay some five years ago. He’d always intended to add a CoCoVGA or CoCoDV upgrade to hook it up to a monitor, …read more Continue reading HDMI For the Color Computer 2

Disk Defragmenter was a wonderful utility that Microsoft included with Windows back in the day. Back then, you’d use it to theoretically speed up disk access. Today, you can run …read more Continue reading A Defrag Simulator In Your Browser

The Claymore mine is a rather fearsome weapon of war, using explosives to blast a cone of shrapnel towards advancing enemies. It’s not really something you should try and build …read more Continue reading Building An Airsoft Claymore Mine

There are many ways to detect stress in an individual. You can use self-reporting checklists, you could try and measure various vital signs like respiratory rate and pulse and infer …read more Continue reading Hackaday Europe 2026: Playstation 4 to Psychometer

If you’ve heard the high-pitched whine or buzz from an electronic device when a current-carrying inductor is vibrating, you’ll know how unpleasant it can be. It’s common in all kinds …read more Continue reading Crowdsourcing An Investigation Into Coil Whine

The hope is always that a good business card will leave a good impression. For those in the electronics field, they also serve as an opportunity to showcase creative design …read more Continue reading Building An Energy-Harvesting Business Card

When it comes to building real-world flying vehicles, testing can be arduous and expensive. You have to find somewhere to fly, then you have to contend with environmental conditions and …read more Continue reading Simulating UAVs In Unreal Engine

The average hot water is a relatively simple appliance to understand. It uses gas or electricity to dump energy into water in the form of heat, keeping it at a …read more Continue reading Defeating Bacteria In Hot Water Systems With A Heat Exchanger

Flip disc displays can be quite a task to drive, what with having some sort of actuator mechanism for each and every dot in the display. [Zimm] has built an …read more Continue reading A Flip Disc Display That Does It Slow And Steady

If you’re intending to transmit on the VHF band, you’re probably going to reach for a handheld or some kind of rackmount rig in your ham shack. But you needn’t …read more Continue reading Get Your Monitor Transmitting VHF with a Browser Tool