In this demonstration we introduce how to use ArduCAM shield on Arduino Yun board. And view captured photos remotely via WIFI connection. Continue reading “How to use ArduCAM shield on Arduino Yun” »

Arduino beginners offen face compatibility problems between UNO and MEGA board. The truth is that the UNO and MEGA board doesn’t compatible in some ways, for example Continue reading “How to connect ArduCAM shield to MEGA 2560” »

The ArduCAM shield has 6 general purpose IOs which can be set as input or output and greatly extend the power for the Arduino board which has limited IO resources. The structure of the IOs in the ArduCAM shield is the same as the one in the AVR chip, it has a direction register(DDR), a input register(PIN) and output register(PORT). In this demonstration, we will illustrate how to set the GPIOs in the ArduCAM shield as an input and use a PIR sensor triggering the shield to start a capture. Continue reading “How ArduCAM use external trigger from a sensor” »

Pin definition:

Arduino board use IOs to emulate parallel bus to access ArduChip internal registers and external LCD registers. User should instantiate the ArduCAM and UTFT class which use parallel bus before the setup routine. The function of each signal list as follows:

The following is a piece of the code for demonstration of the instantiate the ArduCAM and UTFT class.

#define SD_CS 9 

//UTFT(byte model, int RS, int WR, int RD, int CS)
UTFT myGLCD(ITDB32S,A2,A1,A0,10);   
//ArduCAM(byte model,int RS, int WR, int RD, int CS)
ArduCAM myCAM(OV7670,A2,A1,A0,A3);

void setup()
{
  // Setup I2C port
  Wire.begin();   
  if (!SD.begin(SD_CS)) 
  {
    while (1);
  }
  // Setup ArduChip
  myCAM.InitCAM();
  // Setup the LCD
  myGLCD.InitLCD();
  ShowStart();
  delay(2000);
}