Collaborate Disseminate
When you really love your pawed, feathered, or scaled friends, you build projects for them. (Well, anyway, that’s what’s happened to us.) For the 2025 Pet Hacks Challenge, we asked …read more Continue reading Announcing the 2025 Pet Hacks Winners
When you really love your pawed, feathered, or scaled friends, you build projects for them. (Well, anyway, that’s what’s happened to us.) For the 2025 Pet Hacks Challenge, we asked …read more Continue reading Announcing the 2025 Pet Hacks Winners
Many of us know the basic Blink Arduino sketch, or have coded similar routines on other microcontrollers. Flashing an LED on and off—it doesn’t get much simpler than that. But …read more Continue reading Shrinking Blinky As Far As Possible
Rope-climbing robots are the stuff of engineering dreams. As kids, didn’t we all clutter our family home with constructions of towers and strings – Meccano, or Lego – to have …read more Continue reading Crawler Challenge: Building Rope-Traversing Robots
At its core, the ESP32 chip is not much more than an integrated circuit, a huge mass of transistors sealed inside an epoxy resin package with some leads. Of course, …read more Continue reading How Small Can the ESP32 Get?
The real world is analog, and the op-amp is the indispensable building block of many analog circuits. We wanted to give you analog fanatics out there a chance to shine …read more Continue reading Congratulations to Our Op-Amp Challenge Winners!
We thought it was time to give the analog side of Hackaday their chance to shine, and what’s the quintessential analog IC? The op amp! Whether you’re doing tricky signal …read more Continue reading Analog Anoraks: The Op Amp Contest Starts Now!
How low can you go? The 2023 Hackaday.io Low-Power Challenge is about doing the most with the least juice – bang for the power-budget buck, if you get our drift. …read more Continue reading Hackaday.io Low-Power Challenge Begins Today
[0xricksanchez] participated in a software reverse-engineering challenge and recently wrote up the solution, and in so doing also documented the process used to discover it. The challenge was called Devil’s Swapper, and consisted of a small binary blob that …read more
Continue reading Software Challenge’s Solution Shows Reverse Engineering in Action
Overview Each week on Friday, we post a social media challenge known as “Detective Nevil Mystery Challenge”. On November 13th of 2020, we released a challenge that contained a payload and it was only solved by one person on twitter. That challenge is… Continue reading Solving the November 13th Detective Nevil Mystery Challenge