COMPUTER

• TEMPERATURE SENSORS

  detects the changes in tempararure
• CONTACT TEMPERATURE SENSOR

  required to be in a physical contact with objects
• NON CONTACT SENSOR

  used when direct contact temparature
• TMP36

  low volatge, analog, precision centigrade temparature sensor
• Float

  Data type differs with integer database
• Serial.printIn()

  command to display the temparature value in the serial monitor
• TEMPARATURE MONITOR

  serial monitor provides the visual output data
• LIQUID CRYSTAL DISPLAY

  Lcd; a simple screen that uses the light modulating properties
• LIBRARY

  compilation of code that makes it easy for you to prgoram
• LIQUID CRYSTAL LIBRARY

  a chip built that allows to control liquid crystal that makes up display
• #include <LiquidCrystal.h>

  used to initialized the library you're using or including
• LiquidCrystal lcd (12,11,5,4,3,2)

  creates a variable of type LiquidCrystal.
• lcd.begin (16,2) used to specify the dimension of LCD that you are using
• lcd.begin(cols,rows)

  where cols are the number of colums and rows are the numbers that displays
• lcd.clear():

  used to clear old date
• lcd.print("love")

  used to display a message on the LCD
• lcd.print(millis()/1000);

  used to print the number of second
• home()

  used to position the cursor in its default position
• cursor(), blink(), display()

  used to control device behaviorduring standby
• scrollDisplayLeft(), scrollDisplayRight(),

  used to mive the display one space
• autoscroll()

  is a function that automatically scroll upcoming text based
• leftToRight and rightToLeft

  used to control text direction
• SEVEN SEGMENT DISPLAY

  display digits from -

  0-9
• COMMON CATHODE

  supplied by positive
• COMMON ANODE

  supplied by negative
• TILT SENSOR

  open or close depending on its position
• BYTE

  store an 8-bit unsigned number, from 0 to 255
• AMPERE'S LAW

  states that a wire carriying an electric current produces a magnetic field around itself
• Motor is composed of?

  Rotor

  Stator

  Housing
• AC MOTORS

  powered by alternating current and have used at constant speed of applications
• DC MOTORS

  use direct current and have variable speed and torque characteristics
• BRUSHED DC MOTOR

  simplest motor
• SMALL DC MOTOR

  for toys and prototyping
• DC MOTORS

  for ac and refrigerator
• COMMUTATOR

  made up of copper segments, mounted on rotating shaft
• TRANSISTORS

  semiconductor component yhat regulates current or voltage fliw
• Transistor consists of

  Base

  Collector

  Emitter
• NPN

  Collector

  -Positive Lead

  Emitter

  -Negative Lead
• PNP

  Collector

  -Negative Lead

  Emitter

  -Positive Lead
• VOID LOOP

  create one second intervals whereas the lotor will turn on and off contineusly