Sometimes the right tool for the right job appears almost out of nowhere. That was certainly the case for [Jonathan] who came across an unusual but well-designed robot at a secondhand shop. The robot needed a bit of work to get back into a usable condition, but after that it was ready for use. For […]
Sometimes you really need to know what the weather is doing, but you don’t want to look at your phone. For times like those, this neat weather display from [Jordan] might come in handy with its throwback retro vibe. The build is based around the ESP32-2432S028—also known as the CYD, or Cheap Yellow Display, for the […]
You have a tiny twenty-year-old hard drive with a weird interface. How do you read it? If you’re [Will Whang], by reverse engineering, and building an interface board. In many of our portable, mobile, and desktop computers, we’re used to solid-state storage. It’s fast and low power, and current supply-chain price hikes notwithstanding, affordable in […]
But sir, it is wafer-thin. That’s how they get you! Just when you couldn’t possibly justify building another keyboard, let alone owning one, along comes the Kambala by [aroum2]. Image by [aroum2] via reddit Now, ‘Kambala’ means a few things, but here it refers to fish, as evidenced by logo and matching themed PCB key […]
Until now, if you were seated at your Sega Genesis and wanted to check your stock portfolio, you were out of luck. You had to get a smartphone, or a computer, or maybe even a television to look up stock prices and understand your financial position. Thankfully, though, Sega’s neglect of its hero platform has […]
With the launch of Artemis II from Cape Canaveral potentially just weeks away, NASA has been releasing a steady stream of information about the mission through their official site and social media channels to get the public excited about the agency’s long-awaited return to the Moon. While the slickly produced videos and artist renderings might […]
Building a battery pack from 18650 cells traditionally requires patience, a spot welder, and a supply of nickel strip. But what if there was another way? [Ben] is here with Cell-Lock, a modular battery assembly system. At the system’s heart are a set of interlocking end caps and connection pieces that function as locking cams […]
[Jakub] is a musician, and found himself in need of a simple way to trigger samples via MIDI when on stage. So many commercial solutions exist, but most were overkill for the job or too messy and complicated to justify their use in a live environment. Thus, [Jakub] worked up Samplotron to do exactly the […]
LEGO SMART brick from its side. (Credit: EvilmonkeyzDesignz, YouTube) At the beginning of March this year LEGO released their new SMART brick, which looks like a 2×4 stud brick and is filled to the brim with sensors, LEDs, NFC and Bluetooth functionality, as well as a purported custom ASIC. The central idea behind it appears […]
If you’re working with surface mount components, you’re likely going to want a reflow plate at some point. [Vitaly] was in need of just such a tool, and thus whipped up a compact reflow plate that is conveniently powered via USB-C. This reflow rig is designed for smaller work, with a working area of 80 […]