Introduction: Use a LYT/WiFi Shield to Sync LYT Radio Bulb With Music
This simple project will show you how to sync your LYT bulb with music generating random RGB colors.
For this project you will need the following (over your arduino):
-One Authometion LYT/WiFi shield (www.authometion.com/shop)
-One 9W RGB-W LYT radio bulb (www.authometion.com/shop)
-One Adafruit Electret Microphone Amplifier (https://www.adafruit.com/products/1063)
Step 1: Interface the Microphone to the Arduino
Connect the VCC Microphone pin to 3.3V arduino pin and the GND Microphone pin to one arduino GND pins.
For the best performance, use the "quietest" supply available (on an Arduino, this would be the 3.3V supply).
Then connect the OUT Microphone pin the arduino A0 analog input.
The audio waveform will come out of the OUT pin. The output will have a DC bias of VCC/2 so when its perfectly quiet, the voltage will be a steady VCC/2 volts (it is DC coupled).
Step 2: Upload Your Sketch!
Now you can upload the sketch on your arduino and test it.
In this code LYT address is 0,0 and PL1167 chip select is on pin 10 so please change them accordingly to your settings.
The sound level is continuosly acquired on A0 input and the audio peaks, both positive and negative, are calculated by subtracting the center value (340) to the read analog value and applying the ABS (absolute) function.
If this value goes over the threshold level SOUND_LEVEL a new random colors is sent to the LYT.
This will generate variations preferably on bass sounds.
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * *<br> Code by AUTHOMETION S.r.l. Version: 1.00 Date: 02.06.2015 * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #include <SPI.h> #include <PL1167.h> #include <Lytwifi.h> #include <SoftwareSerial.h> #include <WiFiInterrupt.h> #define PL1167_CS_PIN 10 #define BULB_ADDRESS_HIGH 0 #define BULB_ADDRESS_LOW 0 #define SOUND_LEVEL 100
//ESP8266 Serial SoftwareSerial mySerial(5, 6); // RX, TX LYTWiFi myNetWork(mySerial);
void setup()
{
Serial.begin(115200, SERIAL_8N1);
myNetWork.vfInitialize(PL1167_CS_PIN);
vfISRInit(&myNetWork);
//Initialize random generator
randomSeed(analogRead(0));
}void loop()
{
int adc_sound;
//POWER ON LYT
myNetWork.ui8fSwitchOnAndCheck(BULB_ADDRESS_HIGH, BULB_ADDRESS_LOW, C_MULTICAST);
delay(2000);
while(1)
{
adc_sound=analogRead(0);
//CONNECT MICROPHONE VCC TO ARDUINO 3.3 VDC FOR BETTER PERFORMANCE
adc_sound=abs(adc_sound - 350);// Center on zero
if(adc_sound>SOUND_LEVEL)
{
Serial.println(adc_sound);
myNetWork.ui8fSetRGBValuesAndCheck(BULB_ADDRESS_HIGH, BULB_ADDRESS_LOW, random(255), random(255), random(255), C_MULTICAST);
}
}
}
