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“In 2021 I published a project about a MIDI to CV converter capable of generating up to four control voltages and four digital signals from MIDI messages. It was built around an Arduino nano and a MCP4728 DAC and has …
“Inexpensive and extremely stable and sensitive metal detector made using an Atmega8 microcontroller. Quite by chance these days I got in my hands a “Clone PI W” metal detector module, so I decided to immediately do a small review and …
“Digitally controlled 5.1 channel audio preamplifier system to increase the gain of the multi-channel PC sound cards. This project introduces a digitally controlled 5.1 channel audio preamplifier system. This amplifier is specifically designed to increase the gain of …
“BioPotential amplification on your finger tip! BioAmp EXG Pill is a small (2.54 X 1.00 cm) and elegant Analog Front End (AFE) board for BioPotential signal acquisition that you can use with any 5v Micro Controller Unit (MCU …
“BioAmp EMG Pill is a small and elegant Electromyography board which you can use with any micro with an ADC, tested with Arduino Nano.”
“As an electrical engineering student, we had a class in the 5th semester that was entirely evaluated on a project done in less than 2.5 months. This project was a Direct Digital Synthesizer (DDS) based on a Field Programmable …
“Some time ago I was asked to solve the following problem: a small choir plays a number of four fixed microphones. The audio signals from these four microphones had to be amplified, mixed and the resulting signal had to be …
“This is a crossfader circuit. It accepts two inputs and fades between them, with the output being a mix of the two inputs (or just one of the inputs). It’s a simple circuit, very useful, and easy to build …
“What you need: All the parts for this build A clean, well-lit working surface Your soldering iron Nice solder Pliers, wire strippers, tweezers, whatever A large hunk of poster putty to hold your work in place This Instructable! Remember, youll …