Arduino-Workshop-4.pptx

 Arduino is the go-to gear for artists, hobbyists, students, and anyone with a gadgetry
dream.
 Arduino rose out of another formidable challenge: how to teach students to create
electronics, fast.
 With Arduino, you can control almost everything around you be it simple LED or giant
Robots.
Pune Makers ( http://www.meetup.com/Pune-Makers/ ) 2

 Basically Arduino is Microcontroller.
 Microcontroller is microprocessor with memory, RAM and some other peripheral
connected with it.
 The Arduino Uno is a microcontroller board based on the ATmega328 .
The ATmega328 has Flash memory of 32 KB (with 0.5 KB used for the bootloader). It
also has 2 KB of SRAM and 1 KB of EEPROM

Arduino Mega 2560
Arduino LilyPad
Arduino Uno
DIY Arduino
Boarduino Kit

 What does it have?
 14 Digital In/Out pins (6 can be used as PWM)
 6 Analog Inputs
 A USB Connection
 A Power Jack
 Reset Button
 On-board LED
 SCL/SDA pins (Serial Clock/ Serial Data pins)
 In short, it contains everything needed to support the microcontroller; simply connect it
to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get
started.

Digital IO
PWM(3, 5, 6, 9, 10, 11)
SCLSDA
(I2C Bus)
RESET
PWR IN
USB
(to Computer)
Analog
INPUTS
POWER
5V / 3.3V / GND

 You need to download Arduino IDE (Integrated Development Environment).
 Arduino IDE is available for all Mac, Windows.and Linux.

 Once you have downloaded and
installed/extracted the folder, you can
directly run Arduino.exe, which will
take you to its IDE.
 The IDE will look like the shown
screenshot.
error & status messages

 Before you start programming,
double check that correct board is
selected under Tools  Board.
 Now, you can start playing with
Arduino.

 The Arduino Uno can be
programmed with the Arduino
software. Select "Arduino Uno from
the Tools > Board menu (according to
the microcontroller on your board).
 All the peripheral connected with
Computers are using Serial Port.
 You can check port for Arduino Uno
in Device Manger.

Image from Theory and Practice of Tangible User Interfaces at UC Berkley

 digitalWrite()
 analogWrite()
 digitalRead()
 If (statements) / Boolean
 analogRead
 Serial Communication

Microcontrollers are digital devices – ON or OFF. Also called – discrete.
Analog signals are anything that can be a full range of values.
5 V
0 V
5 V
0 V

Analog Sensors
Sensors Variables
Mic soundVolume
Photoresistor lightLevel
Potentiometer dialPosition
Temp Sensor temperature
Flex Sensor bend
Accelerometer tilt/acceleration
Digital Sensors
•Digital sensors are more
straight forward than Analog.
•No matter what the sensor
there are only two settings: On
and Off
•Example, Push button, Switch

 “Serial” because data is broken into bits, each sent one after another in a single wire.
 Compiling turns your program into binary data (ones and zeros)
 Uploading sends the bits through USB cable to the Arduino
 The two LEDs near the USB connector blink when data is transmitted.
 RX blinks when the Arduino is receiving data.
 TX blinks when the Arduino is transmitting data

 digitalWrite()

Compile
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Arduino-Workshop-4.pptx

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