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image (PARTS (Reset Button – This will restart any code that is loaded to…
Arduino
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This board contains a microcontroller which is able to be programmed to sense and control objects in the physical world.
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Massimo Banzi 
helped invent the Arduino, a tiny, easy-to-use open-source microcontroller that's inspired thousands of people around the world to make the coolest things they can imagine
Since the board is open-source, it is released under a Creative Commons
license which allows anyone to produce their own board
USB via ATMega16U2
USB via ATMega16U2
USB via FTDI
FTDI-Compatible Header
PARTS
- Reset Button – This will restart any code that is loaded to the Arduino board
- AREF – Stands for “Analog Reference” and is used to set an external reference
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- Ground Pin – There are a few ground pins on the Arduino and they all work the
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- Digital Input/Output – Pins 0-13 can be used for digital input or output
- PWM – The pins marked with the (~) symbol can simulate analog output
- USB Connection – Used for powering up your Arduino and uploading sketches
- TX/RX – Transmit and receive data indication LEDs
- ATmega Microcontroller – This is the brains and is where the programs are
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- Power LED Indicator – This LED lights up anytime the board is plugged in a
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The Arduino Uno needs a power source in order for it to operate and can be powered
in a variety of ways.
If you want your project to be mobile, consider
using a 9V battery pack to give it juice.
This device allows you to prototype your Arduino project without having
to permanently solder the circuit together.
Using a breadboard allows you to create
temporary prototypes and experiment with different circuit designs.
SENSORS
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Heartbeat Sensor
This sensor uses a bright IR LED (infrared) and a phototransistor to detect the pulse of the finger.
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Hall Magnetic Sensor
The Hall Magnetic Sensor is a magnetic switch. If no magnetic field is present, the signal line of the sensor is HIGH.
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Touch Sensor
This sensor will provide a signal when a finger (or any other body part) touches the bent pin of the transistor.
Two-Color LED
This LED contains two light emitting diodes. One pin is the GND and the other two are for a red and green LED.
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