Sound - Audio Projects - PIC Microcontroller

Audio spectrum analyzer microcontroller project hardware setup

Spectrum Analyzer using TMS320F28023DA with Proteus Simulation

Introduction This project demonstrates a real-time audio spectrum analyzer using the TMS320F28023DA Piccolo microcontroller, simulated in Proteus VSM. The system captures an audio signal, processes it using embedded DSP capabilities, and displays the frequency characteristics on an LCD. It’s a great example of a microcontroller project combining embedded systems, signal processing, and practical electronics. Spectrum […]

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dsPIC33 Recorder using dsPIC33FJ12GP201 with Proteus Simulation

Introduction The dsPIC33 Recorder is a low-power microcontroller project designed to periodically record environmental data using a dsPIC33 digital signal controller. Built and tested in Proteus simulation, this project demonstrates how embedded systems can efficiently collect, process, and store sensor data over long periods.It combines digital and analog sensing, non-volatile memory storage, and serial communication

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Audio Spectrum Analyzer

We developed an audio spectrum analyzer as our final project for ECE 4760. This analyzer presented a histogram-style representation of audio signals. We successfully achieved real-time display of the audio signal’s frequency spectrum using a monochromatic histogram layout, where bins extended from left to right, representing low to high frequency ranges. Our system was built

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Audio CRO using PIC12F675 Microcontroller

This project is a miniature Audio CRO. For those not familiar with the abbreviation “CRO,” it means “Cathode Ray Oscilloscope” and this is sometimes shortened to “SCOPE or O-Scope.” A “CRO” is a piece of test equipment with a screen. It produces a visual indication of a waveform, via a probe, when the waveform is

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Build a musical EKG with the Freescale FRDM-KL05

Short Introduction: I have been following the Battle of the DreamBoards Championship with interest and I enjoyed the variation of functionality features put together in each of the dreamboards. I especially had my attention attracted by the combination of audio inputs and outputs, analog to digital and digital to analog converters, and the microcontroller digital

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Echo MP3 player using PIC18LF452

The EchoMp3 is a small DIY* MP3 player. It’s cheap and of excellent quality. 64, 128, 256, 512MB and 1, 2, 4 GB MMC and SD(HC) cards used as storage. FAT (FAT16) and FAT32 supported. Low power operation with a single AAA (HR03) 1V2 Ni-Mh battery. Runs on a 18LF452 or 18LF458 at 20 MhZ.

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PIC MicroController Volume Adjuster Program(Proteus 8 Stimulation)

Hello everyone, The important aspect of every learning is to induce curiosity and doing something meaningful to satisfy that.With the help of that curiosity, I’m here making a volume adjuster program which resembles the same in most devices but not that much, Here the default volume will be 10.Maximum volume will be 20 as well

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Shrieker using PIC16F676 Microcontroller

Recently a cell phone ring tone was in the news – it’s 17,000 Hertz and meant to be heard by teenagers, but inaudible to adults. Really got some people upset for some reason. It got me wondering – what frequencies can I hear? I made the shrieker. It can generate tones from 10,000 Hz to

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LM386 based stereo audio amplifier with digital volume control using PIC18F2550

Due to its simplicity (requires minimum external components) and high availability, LM386 is very popular among hobbyists for use in low-voltage audio amplification applications. Most of the time a potentiometer is used at the input side of LM386 to provide a volume control in the output speaker. The potentiometer does not control the gain of the

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Voice controlled wheelchair

The Project aims at controlling a wheelchair for handicaps by means of human voice. The speech recognition system is a useful way of implementation and is easy to use programmable speech recognition circuit. Programmable, in the sense that user can train the words (or vocal utterances) he needs the circuit to recognize. This board allows

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