Testing Part Stiffness? No Need To Re-invent the Bending Rig
https://hackaday.com/2023/04/24/testing-part-stiffness-no-need-to-re-invent-the-bending-rig/

If one is serious about testing the stiffness of materials or parts, there’s nothing quite like doing your own tests. And thanks to [JanTec]’s 3-Point Bending Test rig, there’s no …read more (https://hackaday.com/2023/04/24/testing-part-stiffness-no-need-to-re-invent-the-bending-rig/)

Half Crystal Radio, Half Regenerative Radio
https://hackaday.com/2023/04/24/half-crystal-radio-half-regenerative-radio/

A rite of passage in decades past for the electronics experimenter was the crystal radio. Using very few components and a long wire antenna, such a radio could pick up …read more (https://hackaday.com/2023/04/24/half-crystal-radio-half-regenerative-radio/)

Make Your ESP32 Talk Like It’s the 80s Again
https://hackaday.com/2023/04/25/make-your-esp32-talk-like-its-the-80s-again/

80s-era electronic speech certainly has a certain retro appeal to it, but it can sometimes be a useful data output method since it can be implemented on very little hardware. …read more (https://hackaday.com/2023/04/25/make-your-esp32-talk-like-its-the-80s-again/)

3D Print For Extreme Temperatures (But Only If You’re NASA)
https://hackaday.com/2023/04/25/3d-print-for-extreme-temperatures-but-only-if-youre-nasa/

At the level pursued by many Hackaday readers, the advent of affordable 3D printing has revolutionised prototyping, as long as the resolution of a desktop printer is adequate and the …read more (https://hackaday.com/2023/04/25/3d-print-for-extreme-temperatures-but-only-if-youre-nasa/)

FET: The Friendly Efficient Transistor
https://hackaday.com/2023/04/25/fet-the-friendly-efficient-transistor/

If you ever work with a circuit that controls a decent amount of current, you will often encounter a FET – a Field-Effect Transistor. Whether you want to control a …read more (https://hackaday.com/2023/04/25/fet-the-friendly-efficient-transistor/)

Low-Cost RF Power Sensor Gets All the Details Right
https://hackaday.com/2023/04/25/low-cost-rf-power-sensor-gets-all-the-details-right/

Dirty little secret time: although amateur radio operators talk a good game about relishing the technical challenge of building their own radio equipment, what’s really behind all the DIY gear …read more (https://hackaday.com/2023/04/25/low-cost-rf-power-sensor-gets-all-the-details-right/)

Retrotechtacular: Putting Pictures on the Wire in the 1930s
https://hackaday.com/2023/04/25/retrotechtacular-putting-pictures-on-the-wire-in-the-1930s/