FF Module
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Release status: working
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Description | Sound & RGB Led
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License | Creative-Commons 3.0 CC BY-SA
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Author | |
Contributors | |
Based-on | [[]]
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Categories | |
CAD Models | |
External Link |
Introduction
This 'module' allow you to add sounds and control an RGB Led to your 3D Printer or any other project based on Arduino board.
It's called module but it's a complete Arduino project because it uses an Arduino as microcontroller.
The Sound part and the Led part are independents.
It's controlled by Marlin firmware. Acts simulating to be an BlinkM and uses M150 Gcode.
Hardware
Hardware needed:
Arduino
The core of the module can be any Arduino board. We need SDA/SCL comunication, 4 digital I/O and 3 PWM pins. All working at 5v.
(Not an Arduino board working at 3.3v)
Sound module (WTV020-SD-16P
For the sound, the modules control an WTV020-SD-16P (easy to find in Ebay).
Loud Speaker
8Ω Speaker is conected to the WTV020 to play sounds.
ULN2003A
Used to pass PWM output to RGB Led.
Resistors (1/4W)
1 470Ω 1/4W (Busy Led)
2 4.7KΩ 1/4W (SDA,SCL lines)
3 1.5KΩ 1/4W (Voltage divider) (*) R1
3 2.2KΩ 1/4W (Voltage divider) (*) R2
3 1KΩ 1/4W (Voltage divider) (*) R2
(*) This resistors are used as a voltage divider to down the 5v output of Arduino I/O pins to 3.4v in my case (1.5k to pin, 3.2k (2.2k+1k in series) to Ground).
You can use 1.8K to pin and 3.3K to ground to simplify, and you will obtain 3.24v . You will need 3 of each.
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