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 |
Contents
Introduction
This 'module' allows 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.
The Led part is based on Micah Riddell design of Amblone: http://fritzing.org/projects/uln2003a-amblone-v2/
Hardware
Hardware needed:
Arduino Board
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)
I use an Arduino UNO and the shield needed is for this.
Sound module (WTV020-SD-16P)
For play the sound, the modules control is an WTV020-SD-16P (easy to find in Ebay & cheap).
Micro SD card
The WTV020 use a Micro SD card to store sounds. The card must be of 1GB or less (some people are using 2GB but specs says 1GB max.) Not all cards are compatible with the module. I buy cards from http://www.embeddedadventures.com/ for ensure compatibility. The card must be formated in FAT16 mode.
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.
RGB Led Strip
12v RGB LED strip, common positive, that can be manually controlled.
Others
Female/Male pins, protoboard, cables, solder ... to create an Arduino Shield containing the Hardware.
Shield
We need to make a PCB Shield for our Arduino board. In this example, it's for Arduino Uno.
On the Upper Left, A4 & A5 Analog pins are connected, with a 4.7K resistor in every pin, to a 3 pins header. The other pin is connected to GND. This will be our connection to the printer board.
In the center of the shield are 2 female 8 pin header to insert the WWTV020-SD-16P sound module.
Software
Arduino
Load file Media:FF Module V1.ino to your Arduino as usualy.
Extras
Speaker Box: http://www.thingiverse.com/thing:488096
Arduino Uno mount: http://www.thingiverse.com/thing:239837
Proyecto Clone Wars |