9/20/2023 0 Comments Tonegenerator arduino too quiet![]() Please feel free to ask any questions, i can also upload pictures as needed. I know theres 5 pins on the 3.5mm audio jack but im only using 3, could this be an issue? It consists of an Arduino Nano housed within a wooden box.The code Ive put toge. A duration can be specified, otherwise the wave continues until a call to noTone(). This is the tone generator Ive been making for a friends birthday present. Is there something i'm missing/any ideas how to make the frequencies go below 100 Hz? Description Generates a square wave of the specified frequency (and 50 duty cycle) on a pin. How can i get the output to be crisp and clean, not noisy and fuzzy?ģ. How can I get to output to be as close as possible to the actual frequency?Ģ. 2000ms means a frequency of 0.5 Hz thats not enough. Also frequencies under 100 Hz arent playing what they should sound like, however the app outputs frequencies under 100 Hz just fine. A passive Piezo buzzer needs excitation to make sound, from your code you have a delay time of 2000 ms. my prototype seems to emit more of a noisy/fuzzy sound compared to the tone generator app which seems to be a lot more crisp/clean. I have tried testing multiple frequencies on a pair of desktop speakers with a subwoofer, and comparing them to an actual tone generator app i have on my phone. So for my 3.5mm audio jack, i have the 10k ohm resistor inline with the ground connection and then one pin running to positive lead and the other pin running to digital pin 4 on my arduino. What is the best and most efficient way to do this as far as coding/translating the frequency to be output over the 3.5mm jack? ![]() I would like to ditch the piezo buzzer and instead output the frequency to a 3.5mm headphone jack, where either headphones can be plugged in or a mono auxiliary cord, with a pair of desktop speakers on the other end. ![]() Currently the frequency(s) is/are chosen with a potentiometer. Hello I am using Arduino C to program my microcontroller to output frequencies via tone() to a piezo buzzer. ![]()
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