Collaborate Disseminate
There comes a time in every hardware hacker’s career during which they first realize they need a negative voltage rail in their project. There also comes a time, usually ~10ms …read more Continue reading Quick and (Not Very) Dirty Negative Voltage Supply
Once upon a time, building yourself a power supply required sourcing all manner of components, from transformers to transistors, knobs, and indicators. These days, everything’s a bit more integrated which …read more Continue reading It’s Super Easy To Build Yourself a USB-C Variable Power Supply These Days
Good news this morning from low Earth orbit, where the Hubble Space Telescope is back online after a long and worrisome month of inactivity following a glitch with the observatory’s …read more Continue reading The Fix is In: Hubble’s Troubles Appear Over for Now
[Kerry Wong] isn’t afraid to get his hands dirty, and is always more than willing to open things up and see what makes them tick. This time, he reviews and …read more Continue reading Review and Teardown of Economical Programmable DC Power Supply
[Kerry Wong] isn’t afraid to get his hands dirty, and is always more than willing to open things up and see what makes them tick. This time, he reviews and …read more Continue reading Review and Teardown of Economical Programmable DC Power Supply
A couple months back, [macona] got his hands on a 300 watt Rofin CO2 laser in an unknown condition. Unfortunately, its condition became all too known once he took a …read more Continue reading Repairing a 300W CO2 Laser, One Toasted Part at a Time
We’ve seen lots of power supply projects that start with an ATX PC power supply. Why not? They are cheap and readily available. Generally, they perform well and have a …read more Continue reading Power Supply uses Thin Form Factor
If you’ve ever pushed the needle a bit on your Raspberry Pi, there’s a good chance you’ve been visited by the dreaded lightning bolt icon. When it pops up on the corner of the screen, it’s a warning that the …read more
Continue reading PCB Mods Silence Voltage Warnings on the Pi 4
The availability of inexpensive electronics modules has opened up a world of opportunity for more complex projects to be completed quickly. Rather than designing everything from scratch, ready-made motor modules, regulators, computer vision modules, and control modules all ready to …read more
Building radio receivers from scratch is still a popular project since it can be done largely with off-the-shelf discrete components and a wire long enough for the bands that the radio will receive. That’s good enough for AM radio, anyway, but you’ll need to try this DIY FM receiver if …read more