Collaborate Disseminate
Applying solder paste to a new custom PCB is always a little nerve-racking. One slip of the hand, and you have a smeared mess to clean up. To make this …read more Continue reading Portable Solder Paste Station Prevents Smears With Suction
It’s a staple of spy thriller movies, that the protagonist has some kind of electronic scanner with which he theatrically searches his hotel room to reveal the bad guys’ attempt …read more Continue reading RF Detector Chip Helps Find Hidden Cameras and Bugs
[Chris Borge] has spent the last few years creating some interesting 3D printed tools and recently has updated their 3D printable lathe design to make a few improvements. The idea …read more Continue reading A 3D Printed, Open Source Lathe?
Forming complex shapes in metal sheets is still a laborious process, especially if you aren’t needing more than a couple parts so stamping doesn’t make sense. That may change with …read more Continue reading CNC Metal Forming
Occasionally, we find fun new electronic instruments in the wild and can’t resist sharing them with our readers. The item in question is the FNIRSI HRM-10 Internal resistance meter, which …read more Continue reading The FNIRSI HRM-10 Internal Resistance Meter
We’re suckers for good-looking old-school calculators, so this interesting numerical equation-solving calculator by [Peter Balch] caught our attention. Based around the ESP32-WROOM-32 module and an LCD, the build is quite straightforward …read more Continue reading Solve: An ESP32-Based Equation Solving Calculator
Need to do some real fine power consumption measurements? [Gero Müller] was in that exact situation, and wasn’t happy with the expensive off-the-shelf tools for doing the job. Thus, he …read more Continue reading A Power Supply With Ultra High Resolution Current Measurement Built In
YouTuber [MechPanda] has recreated a DIY STM hack we covered about ten years ago, updating it to be primarily 3D-printed, using modern electronics, making it much more accessible to many …read more Continue reading Building a 3D Printed Scanning Tunneling Microscope
In an educational project with ethically questionable applications, [ChromaLock] has converted the ubiquitous TI-84 calculator into the ultimate cheating device. The foundation of this hack lies in the TI-84’s link …read more Continue reading Internet Connected TI-84 To Cut Your Academic Career Short
[Project 326] wanted to know exactly what gas was in some glass tubes. The answer, of course, is to use a spectrometer, but that’s an expensive piece of gear, right? …read more Continue reading Spectroscopy on the Cheap