This tutorial will show you how to build a smart phone or tablet controlled Bluetooth camera shutter release using a arduino microcontroller and a few simple parts.

Click on the video below for full tutorial.

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cable for your camera

int del = 0;
#define cam 10
int val;

void setup() {
pinMode(cam, OUTPUT);
Serial.begin(9600);
}

void loop() {
if (Serial.available() >= 2 )
{
unsigned int a = Serial.read();
unsigned int b = Serial.read();
unsigned int val = (b * 256) + a;

if (val >= 0 && val <= 10000)
{
del = val;
}
else if (val == 11111)
{
delay(del);
digitalWrite(cam, HIGH);
delay(50);
digitalWrite(cam, LOW);
}
}
}