Testing a regulator all the way down to zero volts to see how it behaves and finding an output level, below which bad things ...

Abstract: With the rise of Industry 4.0, smart gas sensors have become indispensable tools across a wide range of sectors, including chemical industries, environmental monitoring, and healthcare.

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...