Internet of things

Resistor 330 ohm

Jumper wires (generic)

Arduino IDE

HC-05 Bluetooth Module

Tape, Foam

Arduino Uno Rev3

RGB Diffused Common Cathode

USB-A to Mini-USB Cable

Breadboard (generic)

<pre ><code >#include <SoftwareSerial.h> SoftwareSerial BT(0,1); #define redPin 13 #define greenPin 12 #define bluePin 11 void setup() { //Serial setup Serial.begin(9600); BT.begin(9600); pinMode(4, OUTPUT); digitalWrite(4,HIGH); pinMode(redPin, OUTPUT); pinMode(greenPin, OUTPUT); pinMode(bluePin, OUTPUT); setColor(255, 0, 0); delay(500); setColor(0, 255, 0); delay(500); setColor(0, 0, 255); delay(500); setColor(255, 255, 255); } void loop() { while (BT.available() > 0) { int redInt = BLU.parseInt(); int greenInt = BLU.parseInt(); int blueInt = BLU.parseInt(); redInt = constrain(redInt, 0, 255); greenInt = constrain(greenInt, 0, 255); blueInt = constrain(blueInt, 0, 255); if (BT.available() > 0) { setColor(redInt, greenInt, blueInt); Serial.print("Red: "); Serial.print(redInt); Serial.print(" Green: "); Serial.print(greenInt); Serial.print(" Blue: "); Serial.print(blueInt); Serial.println(); BT.flush(); } } } void setColor(int red, int green, int blue) { analogWrite(redPin, red); analogWrite(greenPin, green); analogWrite(bluePin, blue); } </code></pre>

diagram for iot

Internet of things

Fun with codes