Physical computing in Shining Sound Bite circuit

Power supplies: Linear or SMPS (Switched Mode). A distinction is made between linear and switch mode power supplies. What is the difference? A power supply fundamentally is an... Power supplies are essential components in electronic circuits, providing the necessary voltage and...

Audio Clipping Detector Circuit

Clipping is a significant issue that leads to distortion in amplifiers. It results in the amplitude level of a waveform dropping abruptly before it reaches its intended limit. This document presents a straightforward circuit designed to detect clipping in a...

Audio Booster

The circuit diagram represents a booster for an audio application. It features a linear potentiometer R5 with a resistance of 100K ohms, which includes an on/off switch. The capacitor C1 should be selected with a value between 0.05 µF and...

Audio Oscillator schematic

The oscillator circuit involves two unity gain phase shift stages, A1 and A2, in tandem and a gain stage, A3, with back to back diodes and resistor network providing non-linear negative feedback. At a particular frequency (determined by RT and...

Audio Perimeter Monitor

Using a single cable such as speaker wire or doorbell cable, this circuit can be remotely positioned, for example, at the bottom of a garden or garage, and used to detect all sound in that area. The cable can be...

Automatic Audio Shutoff

The purpose of this circuit is to automatically turn off any device plugged into its power outlets after a certain period of time. Shutoff is activated by an absence of an audio signal or by a standard timer function. This...

TDA1521 / TDA1521Q: 12W Stereo Amplifier

This is a stereo audio amplifier circuit that delivers 12W output power for each audio channel. The circuit is constructed using a single integrated circuit, the TDA1521 or TDA1521Q, and is supported by a minimal number of external components. The stereo...

A Simple Audio Oscillator

A simple oscillator that can be utilized for code practice. To achieve adequate inductance for generating an audio frequency, an iron core transformer, similar to those employed in audio transformer-coupled amplifiers, is connected as illustrated. The circuit comprises a basic oscillator...

Simple Hybrid Audio Amplifier

The debate continues regarding whether valves or transistors are superior. This discussion will not be addressed here. However, if one cannot make their… The comparison between valves (vacuum tubes) and transistors has been a longstanding topic in the field of electronics,...