Introduction: Arduino Examples #2 Use an Arduino As a FTDI Programmer

In this instructable I will show you how to use an Arduino Uno, Duemilanove, Diecimila, Mega 2560, Mega 1280 or Nano to program an Arduino Pro, Pro Mini, Mini, LilyPad or any other device with a ATmaga168, ATmaga328 using an Arduino. But this only works on 5v boards NOT 3.3v boards. If you have any questions, comments or suggestions for other Arduino examples please feel free to leave a comment and I will write back as soon as i can.

Step 1: Get the Hardware Required

Hardware Required
1-arduino Duemilanove, Diecimila or Nano
1-6 pin female header
6-jumper wires

Step 2: Wire It Up (5v Boards)

First you should remove the micro controller from the board you don't want to program or else you will be programing both micro controllers. Next connect jumper wires between the Arduino and header as shown in the photo below. Then go to the next step to program the Arduino.

Step 3: Program the Arduino

Now using your computer open up the Arduino software. Then connect your 2 Arduino's together and to your computer. Next go to tools and select  the board you want to program After that if you want to test it out you can copy and paste all the text between the //. Then upload the program to your Arduino and the led connected to pin 13 should blink.

//
void setup() {  // this sets the output pins

pinMode(13, OUTPUT); // Pin 13 has an LED connected on most Arduino boards:
}

void loop() {
digitalWrite(13, HIGH); // set the LED on
delay(1000); // wait for a second
digitalWrite(13, LOW); // set the LED off
delay(1000); // wait for a second
}               
//
If you have any questions, comments or suggestions for other Arduino examples please feel free to leave a comment and I will write back as soon as i can.
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