Audio Mixer
https://maker.pro/pic/projects/audio-mixer
Audio mixer built on breadboard using through hole components, measured using Electrical Engineering lab equipment
How to Make an Audio Mixer For Cassette Recording
https://maker.pro/pcb/projects/retro-project-audio-mixer-for-cassette-recording
This analog mixer improves the quality of recorded sound onto a cassette player for use in digital information storage.
DIY PWM Control for PC Fans
https://maker.pro/custom/projects/pwm-control-for-pc-fans
Discover how to build a fully-featured 12 V PC fan PWM controller with Dialog GreenPAK™ programmable mixed-signal ICs.
Make a Fan (or Anything) Clap-Activated With TI LaunchPad
https://maker.pro/ti-launchpad/projects/use-a-ti-launchpad-to-activate-a-fan
Use Texas Instrument's Launchpad to add sound activation to an electric fan.
Audio Amplifier Circuit Using LM386
https://maker.pro/breadboard/projects/audio-amplifier-circuit-using-lm386
The LM386 is a low power audio frequency amplifier which is very commonly used in small audio amplifier circuit project.
DIY Arduino Audio Spectrum Analyzer on VFD Display
https://maker.pro/arduino/projects/diy-arduino-audio-spectrum-analyzer-on-vfd-display
A spectrum analyzer is a measurement tool that displays real-time frequency analysis of incoming audio signals.
Arduino FFT Audio Spectrum analyzer on 8x32 color matrix WS2812B
https://maker.pro/arduino/projects/arduino-fft-audio-spectrum-analyzer-on-8x32-color-matrix-ws2812b
This is an extremely simple, but still visually very effective project, and can serve as a gadget on your desktop, or as an addition to an audio device.
Arduino Li-Fi Audio Player With Solar Panel
https://maker.pro/arduino/projects/arduino-li-fi-audio-player-with-solar-panel
Learn how to play audio through your Arduino microcontroller with the use of Li-Fi, or light fidelity, communication.
DIY Class-D Audio Amplifier
https://maker.pro/custom/projects/diy-class-d-audio-amplifier
Find out how to create a Class-D Audio Amplifier using GreenPAK™
SLG46140V.