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Sound Systems tech This section is dedicated to the sound systems for our models. Tamiya MFU, Servonaut, etc.


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Old 02-24-2020, 09:29 PM
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Wombii Wombii is offline
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Default DIY sound kit by "TheDIYGuy999"

I found this recently, and started experimenting with it for my fire truck, as I'm not happy with what I have at the moment.

This is a DIY solution by "TheDIYGuy999" that has been developed far enough to compete with the expensive ones. It can be put together for around 20-30USD and features multiple simultaneous sounds (engine+turbo, air brake, horn, siren, indicator, reverse beep). It can control an ESC to simulate mass and inertia, and integrates with the Tamiya 3-speed gearbox. It also supports a vibration unit and lights.

The best thing is of course that it's open source, so it's infinitely customizable. It runs on an ESP32 dual core microcontroller and can be programmed in the Arduino environment.

Source files and instructions:
https://github.com/TheDIYGuy999/Rc_Engine_Sound_ESP32

Videos:
https://www.youtube.com/user/TheDIYGuy999
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Old 02-25-2020, 09:02 AM
bigdogrod bigdogrod is offline
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Default Re: DIY sound kit by "TheDIYGuy999"

impressive work. engine sound has a strange warble to my ear though.
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Old 02-26-2020, 01:08 PM
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Default Re: DIY sound kit by "TheDIYGuy999"

There are different engine sounds included. Some sound better than others. Here's a video of me testin the Scania sound (and an automatic gear sound algorithm) with a small bad speaker hanging loose in the truck, recorded by a questionable phone mic.

https://www.youtube.com/watch?v=Faj4X5iy5XY

Last edited by Wombii; 02-26-2020 at 01:13 PM.
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