Simple Sound Processor presented here is an ultra-simple circuit module suitable for almost all basic electronics and microcontroller projects. For example, this module can be used as a front-end in ...

The circuit diagram illustrates the creation of a plain microphone setup using two resistors to produce an aggregate amplifier, designed for use in computers. A microphone, originally created by Emile ...

Here’s a surprisly simple way to build yourself a laser-based listening device. It consists of two modules, a transmitter and a receiver. The transmitter is a set of lasers, one is visible red for ...