The year is drawing to a close, and we have a weekend project for you to while away the remaining hours. Take the Coin Cell Challenge! The point of the challenge is to do something interesting with a coin cell. That’s it! It’s a challenge that can be as simple or as involved as you…

via Take the Coin Cell Challenge This Weekend! — Hackaday

2017.12.15 : Black Mesa Labs is proud to present two open-source-hardware DVI video boards for adding TMDS digital video to FPGA platforms with standard PMOD connectors. These two boards are currently available to purchase as bare fabs directly from OSH-Park, or Gerbers and design files may be downloaded from BML here. ——————————————————– BML 3bit DVI […]

via BML DVI digital video for FPGAs over PMOD — Black Mesa Labs

Since Autodesk’s acquisition, Eagle has been making waves in the community. The de facto standard for Open Hardware PCB design is now getting push-and-shove routing, a button that flips the board over to the back (genius!), integration with Fusion360, automated 3D renderings of components, and a bunch of other neat tools. However, Eagle is not without its…

via Exporting Eagle Libraries to FOSS Tools — Hackaday

Clearly a believer in the old adage, “Go Big or Go Home”, [Ted Yapo] has decided to do something that seems impossible at first glance: starting his car with a CR2477 battery. He’s done the math and it looks promising, though it’s yet to be seen if the real world will be as accommodating. At the…

via Coin Cell Challenge: Jump Starting a Car — Hackaday

Sarah Petkus is a robot mom (which means she’s the mother to a robot, not that Sarah herself is a robot, at least as far as we’re aware), whose child, Noodle Feet, is a character in Sarah’s graphic novel Gravity Road. Unlike every other robot on the planet, Noodle Feet is a content-based robot. Instead of…

via Sarah Petkus On Building A Cartoon To Go To Mars — Hackaday

It is a staple of spy movies. The hero — or sometimes the bad guy — sticks a device never any bigger than an Alka Seltzer to a vehicle or a person and then tracks it anywhere it goes in the world. Real world physics makes it hard to imagine a device like that for…

via Tiny Transmitter Tracks Targets — Hackaday

The 555 timer is one of that special club of integrated circuits that has achieved silicon immortality. Despite its advanced age and having had its functionality replicated and superceded in almost every way, it remains in production and is still extremely popular because it’s simply so useful. If you are of A Certain Age a…

via The Tiniest Of 555 Pianos — Hackaday