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EASY PITCH CONTROL HACK - Make
https://cdn.makezine.com/make/2010/08/WP109PitchControl.pdf
EASY PITCH CONTROL HACK Make audio circuits sing higher and lower. By Peter Edwards Here’s an easy way to add a pitch adjustment to audio circuits such as the ones in many kids’ toys, in order to greatly enhance their circuit-bending potential. All you have to do is replace the circuit’s fi xed clock-speed resistor with a variable resistor (aka
Hobby Circuits - Electronics Circuits - Working Explanation
https://electrosome.com/category/projects/hobby-circuits/
Introduction A simple LED chaser hobby circuit can be made using 555 timer and CD4017 counter IC. You can use this circuit for decorative purposes. By modifying the circuit in a proper way, you can even use this to control lights working on AC mains. Components Required CD4017 Counter IC - 1 555 Timer IC - 1 LED - 11 680Ω Resistor - 11 10KΩ ...
Simple Hobby Circuit Projects - Homemade Circuit Projects
https://www.homemade-circuits.com/simple-hobby-circuits/
IC1 is the Hall effect sensor and 1C2 is a precision opamp IC2 rigged to deliver a bit of extra amplification. The op amp is configured in an inverting mode circuit, that includes resistors R1 and R4 positioned as negative feedback link. The built-in voltage gain of IC2, or the "open loop" gain as it is actually called, is incredibly large at DC voltages, and lower frequencies.
How to control the pitch and speed of audio using ...
https://www.hackingwithswift.com/example-code/media/how-to-control-the-pitch-and-speed-of-audio-using-avaudioengine
func play(_ url: URL) throws { // 1: load the file let file = try AVAudioFile(forReading: url) // 2: create the audio player let audioPlayer = AVAudioPlayerNode() // 3: connect the components to our playback engine engine.attach(audioPlayer) engine.attach(pitchControl) engine.attach(speedControl) // 4: arrange the parts so that output from one is input to another …
Audio - Circuits - Electronic Blog for hobbyist
https://electro-hobby.ucoz.com/blog/audio/1-0-2
Category: Audio | Views: 2184. Voice Scrambler. With this circuit you can modify how your voice sounds by changing the pitch of your voice. This circuit can be connected to a phone and with a duplicate circuit on the end of the phone line, you can have a scrambled voice communication. The way the circuit works is as follows: If we cut the ...
ATtiny85 Real-Time Audio Pitch Shifter « Adafruit ...
https://blog.adafruit.com/2017/03/15/attiny85-real-time-audio-pitch-shifter/
ATtiny85 Real-Time Audio Pitch Shifter. Here’s a fun circuit and blog for a real-time audio pitch shifter built around an ATtiny85: This article describes a simple device based on an ATtiny85 that takes an audio input, shifts its pitch up or down in real time, and plays it through a loudspeaker. You can increase or decrease the pitch shift using two pushbuttons:
A list of Simple audio circuits and amplifiers for DIY(Do ...
https://www.circuitstoday.com/simple-audio-circuits
Passive tone control circuit – This is a simple tone control circuit that you can make with components available at your hand. The only active component in this circuit is an op amp TL072. The circuit is named passive because the tone control section is completely handled using passive components. A really low cost and easy to build audio ...
audio - Simplest octave up (pitch shifter) circuit ...
https://electronics.stackexchange.com/questions/252834/simplest-octave-up-pitch-shifter-circuit
What is simplest circuit to pitch instrument (bass) one (or two) octave(s) up ? I am asking for this because there are no electronic shops where i live, and getting parts, especially chips is pretty hard, you can not even get 555 timer chip over here, all i have at hand is PC power supply and random board, most probably volume control, from soviet TV, i heard that diode bridge rectifier …
7 Tone control Stereo Preamplifier circuit with PCB, Low ...
https://www.eleccircuit.com/tone-control-circuit-low-noise/
1# Classic Tone Control using 2 Transistors C829. This is a tone control circuit, the small-sized. It is the Mono using 2 transistors. They are important equipment to increase a sound signal, more power-up. And, we can adjust the sound with a potentiometer, VR1, VR2, and VR3. To set a complete sound signal.
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