For audio, the main things to look at in an op-amp are noise, slew rate, bandwidth, and THD+N. Low noise is important in preamp stages, a decent slew ...

Yes, it’s possible to power an Arduino directly from a solar panel, but not reliably without extra components. A solar panel’s voltage and current flu...

Analog noise in Arduino readings is common, especially with sensors like potentiometers or temperature sensors. To reduce it, start by adding a 0.1µF ...

A standard 5V phone charger (with at least 500 mA output) and a proper USB cable are usually perfectly fine for powering an Arduino Uno or Nano via US...

A boost converter is a type of DC-DC converter that increases voltage while reducing current to maintain energy balance. It operates using an inductor...

For a sound-activated security project where you need to detect loud and sudden sounds (e.g., claps or door slams), an Electret Microphone is generall...

@ankunegi Thank you. You are a life saver!!

@jignesh What if the pins are not in series? For example 2,4,5,8,10,13.