Op amps are typically used to build signal processing circuits like amplifiers, integrators and oscillators. Their functionality can be described by mathematical formulas that have a single, well-defined solution. However, …read more (https://hackaday.com/2023/06/06/op-amp-contest-this-lighthouse-sculpture-flickers-in-the-rhythm-of-chaos/)

A Lightweight Smart Home Server
https://hackaday.com/2023/06/06/a-lightweight-smart-home-server/

Working towards automating a few things in a home often seems simple on the surface, but it’s easy for these projects to snowball into dozens of sensors and various servos, …read more (https://hackaday.com/2023/06/06/a-lightweight-smart-home-server/)

Reverse Engineering a Better Night’s Sleep
https://hackaday.com/2023/06/06/reverse-engineering-a-better-nights-sleep/

All you want is a decent night’s sleep, so you decide to invest in one of those fancy adjustable beds. At first, it’s fine — being able to adjust the …read more (https://hackaday.com/2023/06/06/reverse-engineering-a-better-nights-sleep/)

RetroPie, Without the Pi
https://hackaday.com/2023/06/06/retropie-without-the-pi/

The smart television is an interesting idea in theory. Rather than having the cable or satellite company control all of the content, a small computer is included in the television …read more (https://hackaday.com/2023/06/06/retropie-without-the-pi/)

Hackaday Prize 2023: Bluetooth Spell To Speak
https://hackaday.com/2023/06/06/hackaday-prize-2023-bluetooth-spell-to-speak/

Have you ever known what you wanted to say but couldn’t figure out exactly how to say it? For some individuals, that’s all the time. The gap between intention and …read more (https://hackaday.com/2023/06/06/hackaday-prize-2023-bluetooth-spell-to-speak/)

Harvesting Rechargeable Batteries from Single-Use Devices
https://hackaday.com/2023/06/07/harvesting-rechargeable-batteries-from-single-use-devices/

The price of lithium batteries has plummeted in recent years as various manufacturers scale up production and other construction and process improvements are found. This is a good thing if …read more (https://hackaday.com/2023/06/07/harvesting-rechargeable-batteries-from-single-use-devices/)

Billion Year Clock is LEGO Genius or Madness
https://hackaday.com/2023/06/07/billion-year-clock-is-lego-genius-or-madness/

If you are a fan of LEGO bricks or Rube Goldberg, you should have a look at [Brick Technology’s] billion-year LEGO clock. Obviously, it hasn’t been tested for a billion …read more (https://hackaday.com/2023/06/07/billion-year-clock-is-lego-genius-or-madness/)

The Integral Molten Salt Reactor and the Benefits of Having a Liquid Fission Reactor
https://hackaday.com/2023/06/07/the-integral-molten-salt-reactor-and-the-benefits-of-having-a-liquid-fission-reactor/