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A really cool thing I found happens when playing with a passive buzzer. I was bored and decided to hook up a passive buzzer to g25 and to ground (the pins are the perfect length) and I set the RF tx p…
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We had that once already, but the respective student never shared their code. Should be easy to develop out f the servo-module.
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Hello!
I am looking to use this chip to beep a melody on a passive piezoelectric buzzer.
I plan to use arduino's builtin `tone();` function, is this supported with this microcontroller? Will it …
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Hello DL9RDZ, please, would it be possible to add support for a piezzo passive buzzer on TBeam and wifi-only TTGO? Make the buzzer beep when is the module able to decode the sonde?
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**Describe the problem you have/What new integration you would like**
Many people don't know how to buzzer (including me)
**Please describe your use case for this integration and alternative…
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Prepare microHIL HW schematic
- Operating voltage: 5V
- Communication Protocol: USB
- Communication interface: Micro USB
- Relay channel: 8 ch
- Contact form: 1NO 1NC
- Dimension: 88（H）x 122（V） mm
- …
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I have a module for controlling a buzzer.
```js
var raspi = require("raspi");
var pwm = require("raspi-soft-pwm");
const BUZZER_GPIO_PIN_NO = "GPIO13";
const BUZZER_FREQUENCY = 500;
cons…
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# Arduino Tone for ESP32 - Thomas Countz
Arduino has a built-in tone() library which allows you to send a PWM frequency at 50% duty cycle to a specific pin in order to generate a tone on a piezoelect…
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Thanks a lot for this really cool project, the demo web app works out of the box!
It would be great to be able to generate MIDI files for a given message.
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I know that there's a widely known issue ESP32 not being able to access **tone()** and **noTone()** functions from the [Core Arduino](https://github.com/arduino/ArduinoCore-avr).
So, I've been goin…