All the codes above have been tested as working at the time of submission. However, codes with unknown expiry dates may stop working at any time. Spotted a new code we haven't included or tried one ...

Looking for a big boost of Ichor to bolster your squad of Toons in Dandy’s World? We’ve got some redeemable codes that will load your wallet up with a ton of free cash. Below, you’ll find a list of ...

When it comes to performance, there's a world of difference between the Raspberry Pi and Arduino. The former, after all, is technically a fully functional computer that can run games, word processors, ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The little board from an Italian university with its easy to use dev environment ...

Infrared sensors that detect the short-wave infrared (SWIR) region can clearly recognize objects not only during the day and at night, but also in fog or smoke, making them a key component of future ...

Fujitsu has developed a high-sensitivity and high-resolution infrared sensor to expand monitoring capabilities in the defense and disaster prevention fields. This sensor is a Type-II superlattice ...

A research team led by Professor Jiwoong Yang of the Department of Energy Science and Engineering at DGIST has developed next-generation optical sensor technology capable of precisely detecting not ...

Update: added new Anime Spirits codes on February 21, 2026. You can check Anime Ghosts codes here. Anime Spirits is a popular anime game where I get to become a pirate, explore vast seas, battle ...

A minimal example that reads a digital IR (obstacle/proximity) sensor on pin D2 and lights the onboard LED (pin 13) when an object is detected. The project is configured to build with PlatformIO for ...

After Qualcomm’s purchase of Arduino it has left many wondering what market its new Uno Q board is trying to target. Taking the ongoing RAM-pocalypse as inspiration, [Bringus Studios] made a tongue-in ...