In this project, we'll construct and test a microcontroller-based system that digitally generates analog signals.
In this project, we'll construct and test a microcontroller-based system that digitally generates analog signals.
In Part 2 of this two-part series, we turn our hardware assembly into a functioning soundboard by adding the necessary…
In Part 2 of this two-part series, we turn our hardware assembly into a functioning soundboard by adding the necessary code in Arduino IDE and uploading soundbites.
Learn how to turn an ATmega328 microcontroller and an assortment of readily available parts into a dedicated hardware soundboard.
Learn how to turn an ATmega328 microcontroller and an assortment of readily available parts into a dedicated hardware soundboard.
In this project article, we'll use a 555 timer IC to build an iconic musical instrument from the early days of synthesizers.
In this project article, we'll use a 555 timer IC to build an iconic musical instrument from the early days of synthesizers.
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow…
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.
This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4…
This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4 specification, which aims to evaluate the disturbing effects of noise on audio broadcast signals.
A PIR sensor detects objects to allow a Raspberry Pi Pico running MicroPython code to adjust the frequency of a Science…
A PIR sensor detects objects to allow a Raspberry Pi Pico running MicroPython code to adjust the frequency of a Science Fair electronic oscillator circuit with audio output.
In this project, we design an A-weighted analog noise filter for audio frequencies. The filter provides a variable…
In this project, we design an A-weighted analog noise filter for audio frequencies. The filter provides a variable frequency gain response that is similar to that of our hearing.
This article presents the design of an unweighted (Z-weighted) audio filter with a flat frequency response from 20 Hz to…
This article presents the design of an unweighted (Z-weighted) audio filter with a flat frequency response from 20 Hz to 20 kHz for the measurement of audio noise.
Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity…
Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity from 1 mV to 100 V, while the ammeter has a selectable current sensitivity of 10 mA to 10 A.
In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or…
In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or an Arduino Uno.
This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.
This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.
Learn how to use a Raspberry Pi to make your own posh home automation system!
Learn how to use a Raspberry Pi to make your own posh home automation system!
Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.
Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.
In this episode of the Gentleman Maker, we'll use a Raspberry Pi 3 Model B, an Arduino Nano, and an Arduino Uno to create…
In this episode of the Gentleman Maker, we'll use a Raspberry Pi 3 Model B, an Arduino Nano, and an Arduino Uno to create a handy system to rid ourselves of overly-colorful fashion choices.
This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.
This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.
Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you…
Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you how to build a negative voltage generator that runs off a single rail supply!
Tired of using your PC or mobile phone as a signal generator? It’s time to upgrade to a standalone one by making it yourself.
Tired of using your PC or mobile phone as a signal generator? It’s time to upgrade to a standalone one by making it yourself.
In this article, we’ll evaluate different firmware strategies in our pursuit of maximum-frequency analog signal generation.
In this article, we’ll evaluate different firmware strategies in our pursuit of maximum-frequency analog signal generation.
In this article, we’ll develop firmware that will serve as the basis for high-precision, high-speed signal generation.
In this article, we’ll develop firmware that will serve as the basis for high-precision, high-speed signal generation.
Facebook
Google
GitHub
Linkedin