Keeping older technology working becomes exponentially difficult with age. Most of us have experienced capacitor plague, disintegrating wire insulation, planned obsolescence, or even the original company failing and not offering …read more (https://hackaday.com/2022/07/24/a-70s-tv-with-20s-parts/)

Turn Drone Into A Large Propeller To Increase Hover Efficiency
https://hackaday.com/2022/07/24/turn-drone-into-a-large-propeller-to-increase-hover-efficiency/

Multirotor drones are significantly more popular than conventional helicopter designs for many reasons, which do not include efficiency. Making use of the aerodynamic effects behind this, [Nicholas Rehm] was able …read more (https://hackaday.com/2022/07/24/turn-drone-into-a-large-propeller-to-increase-hover-efficiency/)

Interesting Optics Make This Laser Engraver Fit in a Pocket
https://hackaday.com/2022/07/24/interesting-optics-make-this-laser-engraver-fit-in-a-pocket/

We’re going to start this post with a stern warning: building a laser engraver that can fit in your pocket is probably not a wise idea. Without any safety interlocks …read more (https://hackaday.com/2022/07/24/interesting-optics-make-this-laser-engraver-fit-in-a-pocket/)

Stackable 3D-Printed Gearbox For Brushless Motor
https://hackaday.com/2022/07/24/stackable-3d-printed-gearbox-for-brushless-motor/

Affordable brushless motors are great for a variety of motion applications, but often require a gearbox to tame their speed. [Michael Rechtin] decided to try his hand at designing a …read more (https://hackaday.com/2022/07/24/stackable-3d-printed-gearbox-for-brushless-motor/)

Hackaday Links: July 24, 2022
https://hackaday.com/2022/07/24/hackaday-links-july-24-2022/

OK, maybe that won’t buff right out. NASA has released a more detailed analysis of the damage suffered by the James Webb Space Telescope in a run-in with a micrometeoroid, …read more (https://hackaday.com/2022/07/24/hackaday-links-july-24-2022/)

Automated Hotend Swapping For Less Wasteful Multicolor Printing
https://hackaday.com/2022/07/24/automated-hotend-swapping-for-less-wasteful-multicolor-printing/

Multicolor printing on FDM machines can be tricky to get working flawlessly, and purging hotends when changing colors can end up wasting a lot of filament and material. To solve …read more (https://hackaday.com/2022/07/24/automated-hotend-swapping-for-less-wasteful-multicolor-printing/)

Complex Movements From Simple Inflatables, Thanks to Physics
https://hackaday.com/2022/07/24/complex-movements-from-simple-inflatables-thanks-to-physics/

Inflatable actuators that change shape based on injected pressure can be strong, but their big limitation is that they always deform in the same way. But by taking structural inspiration …read more (https://hackaday.com/2022/07/24/complex-movements-from-simple-inflatables-thanks-to-physics/)

A Tiny Forest of Resistors Makes for Quick and Dirty Adaptive Optics
https://hackaday.com/2022/07/25/a-tiny-forest-of-resistors-makes-for-quick-and-dirty-adaptive-optics/