When it comes to high-speed, high-voltage switching, there are a wealth of components to choose from — MOSFETS, thyristors, IGBTs, and even vacuum tubes like thyratrons. But who needs all …read more (https://hackaday.com/2022/03/16/spark-plug-and-plumbing-parts-bring-nitrogen-laser-under-control/)

Tired of 3D Printed Skirts? Try Kisses
https://hackaday.com/2022/03/16/tired-of-3d-printed-skirts-try-kisses/

One popular option when 3D printing is to have the printer draw a loop or two around the print before starting. This serves several purposes: it clears the print head …read more (https://hackaday.com/2022/03/16/tired-of-3d-printed-skirts-try-kisses/)

Cheap Spot Welder Teardown
https://hackaday.com/2022/03/16/cheap-spot-welder-teardown/

It used to be hard to dump enough electricity through two pieces of metal to meld them together. But a lithium-ion battery can do it. The question is, should it? …read more (https://hackaday.com/2022/03/16/cheap-spot-welder-teardown/)

OpenGL in 500 Lines (Sort Of…)
https://hackaday.com/2022/03/16/opengl-in-500-lines-sort-of/

How difficult is OpenGL? How difficult can it be if you can build a basic renderer in 500 lines of code? That’s what [Dmitry] did as part of a series …read more (https://hackaday.com/2022/03/16/opengl-in-500-lines-sort-of/)

A Clear Guide For A Low-Profile Bespoke Keyboard
https://hackaday.com/2022/03/16/a-clear-guide-for-a-low-profile-bespoke-keyboard/

At the risk of stepping on our fantastic Keebin with Kristina series, a beautiful tutorial by [Ben Vallack] details how to create a custom low-profile keyboard in great detail. We’ve …read more (https://hackaday.com/2022/03/16/a-clear-guide-for-a-low-profile-bespoke-keyboard/)

An Old Typewriter Speaks To The World
https://hackaday.com/2022/03/17/an-old-typewriter-speaks-to-the-world/

Typewriters are something which was once ubiquitous, yet which abruptly faded away and are now a rare sight. There was a period of a few years in which electric typewriters …read more (https://hackaday.com/2022/03/17/an-old-typewriter-speaks-to-the-world/)

Wireless Charging for Border Patrol Drones
https://hackaday.com/2022/03/17/wireless-charging-for-border-patrol-drones/

It makes sense to use drones to patrol borders or perimeters. But there’s a problem. Drones have to carry batteries or fuel and mostly have a short operating time. A …read more (https://hackaday.com/2022/03/17/wireless-charging-for-border-patrol-drones/)