Turning Irregular Shapes
https://hackaday.com/2022/07/16/turning-irregular-shapes/

In case you’re not closely following Egyptian Machinist YouTube, you may have missed [Hydraulic House]. It’s gotten even harder to find him since he started posting under[بيت الهيدروليك]. Don’t let …read more (https://hackaday.com/2022/07/16/turning-irregular-shapes/)

A No-Calibration Metal Detector
https://hackaday.com/2022/07/17/a-no-calibration-metal-detector/

A traditional early project for someone discovering a love for electronics has been for many years a metal detector. This would mean a few transistors back in the day, but …read more (https://hackaday.com/2022/07/17/a-no-calibration-metal-detector/)

A Home Made Sewing Machine May Be The Only One
https://hackaday.com/2022/07/17/a-home-made-sewing-machine-may-be-the-only-one/

The sewing machine is a tool that many of us will have somewhere around our workshop. Concealed within it lies an intricate and fascinating mechanism. Some of us may have …read more (https://hackaday.com/2022/07/17/a-home-made-sewing-machine-may-be-the-only-one/)

Beautiful Inductors, Now Not Such A Lost Art
https://hackaday.com/2022/07/17/beautiful-inductors-now-not-such-a-lost-art/

As ferrite technology has progressed into a mastery of magnetic permeability, the size of inductors has gone down to the point at which they are now fairly nondescript components. There …read more (https://hackaday.com/2022/07/17/beautiful-inductors-now-not-such-a-lost-art/)

It Turns Out You Can’t Just Fly A Drone Under Water
https://hackaday.com/2022/07/17/it-turns-out-you-cant-just-fly-a-drone-under-water/

The differences between a drone and an underwater remote-operated vehicle (ROV) aren’t actually that large. Both have powerful motors that move large volumes of fluid (yes, air is a fluid), …read more (https://hackaday.com/2022/07/17/it-turns-out-you-cant-just-fly-a-drone-under-water/)

Observe Airflow Using Smartphone And Background-Oriented Schlieren
https://hackaday.com/2022/07/17/observe-airflow-using-smartphone-and-background-oriented-schlieren/

Multiple people have recently shared this exciting demonstration (nitter) with us – visualizing airflow using a smartphone, called ‘background-oriented schlieren’. On a hot summer day, you might see waves in the …read more (https://hackaday.com/2022/07/17/observe-airflow-using-smartphone-and-background-oriented-schlieren/)

Hackaday Links: July 17, 2022
https://hackaday.com/2022/07/17/hackaday-links-july-17-2022/