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

In other words, the capacitor acts as a filter that only allows the desired frequency (AC) signal to pass, protecting the amplifier from DC voltage levels that could interfere with its operation or, ...

Have you ever found the need to measure the capacitance of a capacitor? No multimeter handy (for shame)? Well, as it turns out you can actually measure capacitance using your Arduino Uno, with no ...