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Home > Tutorials > Arduino

Arduino

Goldilocks

Arduino Goldilocks Driver

My Arduino Projects

How-To: Shrinkify Your Arduino Projects

Arduino Distributors

Windows 7 Unknown Device FIXED If your computer doesn't recognize your Arduino and won't install the proper drivers, this fix may work. I used it for my Arduino UNO with Windows 7 64-bit, so steps may vary for other devices and operating systems.

 

Table comparing Arduino Boards

Up and Running with Arduino with Peggy Fisher

Buying an Arduino (1m 43s)

 

 

LED Ampli-Tie

 

http://learn.adafruit.com/led-ampli-tie/


Arduino Tutorial #1 - Getting Started and Connected!

 

 


Arduino - What bits to start with...and a bit of head bashing!

 

 


Everything you need to know about Arduino


 


Meel Limor "Ladyada" Freid at Adafruit Industries!

 

My 13 year old son introduced me to a new world off small affordable computers and microprocessor boards with a casual comment about a new computer he had heard of called a Raspberry Pi. After a few quick Google searches I was ordering my first Raspberry Pi and Arduino Leonardo from Adafruit..

Learning to play with these things has been a wonderful experience. I can thoroughly recommend both the Raspberry Pi and the Arduino as both fun and extremely powerful and affordable computer and programming platforms.

The Arduino is an open source open hardware platform that is affordable and easy to use. I would highly recommend that if you have any interest in connecting a computer to the real world e.g. reading sensors and controlling motors etc that you take a close look at the Arduino family of microprocessor boards.

They sell from $35.50AU & $24.95US for a Arduino Leonardo but you can purchase clone boards from Little Bird Electronics for $19.50AU

The programming language and IDE is based on Processing which is handy because I have some experience with using processing. If you have no programming experience it is still an excellent environment to start to play with.

 


Why you should buy an Arduino Leonardo

 

You can even purchase Arduino Compatible boards with built in GSM/GPRS which means that you can send and receive SMS messages using the mobile phone network from an Arduino sketch (program) which has lot's of interesting possibilities. E.g. monitoring movement sensors and automatically sending an SMS message if movement is detected.

 


    Arduino and GSM - together at last!

If you're interested in making Arduino boards communicate via the mobile phone network - the new GBoard is the answer.  It's ideal for those Arduino projects that communicate via GSM cellular as the GBoard is not only an Arduino-compatible with an ATmega328 - it also has a SIMCOM900 GSM module - and is cheaper than a seperate GSM shield.

But wait - there's more... much more. The GBoard also has a microSD card socket, an XBee socket and a connector for nRF24L01+ wireless modules. So if you need a gateway between wireless data and the cellualar network, or any other Arduino-cellular application it's time to check out the GBoard. For more information, data and to order check out the GBoard pageFrom Little Bird Electronics

 

 

 

Recently I was asked by the first lieutenant at the Ballarat fire brigade where I am a volunteer fire fighter if I would be able to build a "traffic light" system that would turn on a red warning light that would turn to green when the fire station door was full raised. I immediately thought now that I have learnt to use the Arduino that I could make a system to do that.

Today I spent the day building and programming a system based on a Raspberry Pi that does exactly what we require. After I built the system using a Raspberry Pi I decided to build it using an Arduino because it would be more portable and easier to demonstrate at the station. And also that I would run the finished design using an Arduino and not a Raspberry Pi because it would cost less and be simpler.

This is what I built See below: The finished product will use a pair of 240VAC optically isolated switches PowerSwitchTail 240 Kit for 240VAC
Item #: PSTK-240 from powerswitchtail.com to switch a pair of Red and Green spot lights or similar.

I ended up purchasing a pair of 12V pond lights and putting coloured reflector globes in them. They work quite well. And I am very happy with the PowerSwitchTail 240 Kits.

Diagram created using Fritzing

Note the switches I am using are micro switches and the are not attached
to the circuit board. The top switch (topSwitchAPin = 9) is normally closed.
The bottom switch (bottomSwitchAPin = 8) is normally open

 

This is the code I am using

/*
Control the door warning light

Purpose to turn on a Red warning light when the door
is not fully open, and to turn on a Green light when
the door is fully open.

Note there is a micro switch that detects when the door
is closed and another switch that detects when the door
is fully open.

The switch at the bottom of the door is normally open
The switch at the top of the door track is normally closed

Turn off both LED's while bottomSwitchAPin (8) is LOW
The bottom switch is LOW when the door is closed
so there is no need to burn out the LED's when the
door is closed most of the time.

Turn on the Red LED as soon as the door starts to open
When the door is fully open the topSwitchAPin (9) goes LOW
so turn off the Red LED and turn on the Green LED
*/

int redLedPin = 4;
int greenLedPin = 5;
int topSwitchAPin = 9;
int bottomSwitchAPin = 8;

int counter = 0;

void setup()
{
  pinMode(redLedPin, OUTPUT);
  pinMode(greenLedPin, OUTPUT);
  pinMode(topSwitchAPin, INPUT_PULLUP);
  pinMode(bottomSwitchAPin, INPUT_PULLUP);
}

void loop()
{

    delay(500); // waits for half a second
    if (digitalRead(bottomSwitchAPin) == HIGH) // The door starts to open
    {
      if (digitalRead(topSwitchAPin) == LOW) // The door is not fully open
    {
      digitalWrite(redLedPin, HIGH); // Turn on the Red light
      digitalWrite(greenLedPin, LOW); // Turn off the Green light
    }
    if (digitalRead(topSwitchAPin) == HIGH) // The door is fully open
    {
      digitalWrite(redLedPin, LOW);
      digitalWrite(greenLedPin, HIGH);

     counter = counter + 1; // add one to the counter each 1/2 a second

      if ( counter > 360) // Turn off the green light after 3 minutes to save power
      {
         digitalWrite(redLedPin, LOW);
         digitalWrite(greenLedPin, LOW);
      }
    }


  }
  if (digitalRead(bottomSwitchAPin) == LOW) // The door is fully closed
  {
    digitalWrite(redLedPin, LOW); // Turn off the Red light
    digitalWrite(greenLedPin, LOW); // Turn off the Green light
  }
}

 

 


 


How-To: Shrinkify Your Arduino Projects

 

 

The Magpie board is the answer to not only the requirement for
an Arduino Uno-compatible board -- but also the need to watch
what the outputs pins are doing. How? With an LED connected
to each digital and analogue pin, you can debug projects that
use them visually without having to use the Serial Monitor in
the Arduino IDE. 


How we shrunk an Arduino to the size of a fingernail

http://www.rfduino.com

 

 


Shrunk an Adruio and made it Wireless

I have also been playing with the Arduino which I purchased from Little Bird Electronics. I can recommend the Arduino as a fabulous useful and easy to program microprocessor.

I am planning on purchasing a copy of the book Arduino Cookbook

Arduino Cookbook

Example code from Arduino Cookbook

Example code from Arduino Cookbook

I recently made a $45 pledge for the following project.

 

Support the Goldilocks

Extracted from the Little Bird Newsletter

Now and again a great product is announced via crowd-funding (such as Ninja Blocks) and another one has started which we'd like to share with you - by Australian Phillip Stevens. It's his new "Goldilocks" Arduino-compatible board with a difference. 

Physically compatible with all Uno-style shields at 5 V, however contains a microSD card socket and a much beefier ATmega1284p microcontroller - which compared with the Arduino Uno offers 8 x the SRAM, 4x the flash memory and twice the EEPROM space.

Plus there's an extra timer, a fully-independent analogue platform and it's clocked at 20 MHz. If the project is successful the Freetronics team will be taking care of manufacturing so quality will be top-notch. It's a great project and we're happy to support Phillip's Goldilocks board

 

Links

Bret Victor / March 11, 2010

 

 

How-To: Shrinkify Your Arduino Projects

 

 

worrydream.com/#!/ResistorDecoder

 

Illustration Copyright 1996 Danny Goodman (AE9F)

 


APA citation:
Russell, R. (2014, May 16, 06:36 am). Raspberry Pi & Arduino.
     Retrieved August 23, 2014, from http://www.rupert.id.au/tutorials/arduino/index.php

Last refreshed: August 23 2014. 05:28.21 pm

rupert dot russell at acu dot edu dot au Support Wikipedia

Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.


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