Analog Circuitry Lets You Blow This LED Out
https://hackaday.com/2026/04/21/analog-circuitry-lets-you-blow-this-led-out/

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from [Andrea Console]’s latest project that lets you do just …read more (https://hackaday.com/2026/04/21/analog-circuitry-lets-you-blow-this-led-out/)

The Electromechanical Computer of the B-52’s Star Tracker
https://hackaday.com/2026/04/21/the-electromechanical-computer-of-the-b-52s-star-tracker/

In the ages before convenient global positioning satellites to query for one’s current location military aircraft required dedicated navigators in order to not get lost. This changed with increasing automation, …read more (https://hackaday.com/2026/04/21/the-electromechanical-computer-of-the-b-52s-star-tracker/)

Itanium: the Great X86 Replacement that Never Was
https://hackaday.com/2026/04/21/itanium-the-great-x86-replacement-that-never-was/

Die shots of an Intel Itanium processor courtesy of [der8auer]
" data-medium-file="https://hackaday.com/wp-content/uploads/2026/04/itanic.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2026/04/itanic.jpg?w=800">Itanium was once meant to be the next step in computing, to compete with the likes of IBM, Sun and DEC, but also for Intel to have an architecture that …read more (https://hackaday.com/2026/04/21/itanium-the-great-x86-replacement-that-never-was/)

Wearable MIDI Controller Built With Raspberry Pi
https://hackaday.com/2026/04/21/wearable-midi-controller-built-with-raspberry-pi/

Most synths happily get by with keyboard or pad inputs and make lovely sounds in response. [Becky Clarke] and her fellow collaborators are building a synth that works rather differently. …read more (https://hackaday.com/2026/04/21/wearable-midi-controller-built-with-raspberry-pi/)

DIY Smart Button Gets Surprisingly Complicated
https://hackaday.com/2026/04/22/diy-smart-button-gets-surprisingly-complicated/

There’s a reason that the standards specifications for various wireless communications protocols are extremely long and detailed. [Made by Dennis] found this out first hand when he decided to build …read more (https://hackaday.com/2026/04/22/diy-smart-button-gets-surprisingly-complicated/)

ESP32 Hosts a Public Website
https://hackaday.com/2026/04/22/esp32-hosts-a-public-website/

If you wanted to host a website, you could use any one of a number of online services, or spin up a server on a spare computer at home. If …read more (https://hackaday.com/2026/04/22/esp32-hosts-a-public-website/)

What Have We Dumped on the Moon?
https://hackaday.com/2026/04/22/what-have-we-dumped-on-the-moon/