arduino 01

http://arduino.cc/en/Guide/Windows

get to know your tools
-transducers-μετατροπείς    (lightbulbs,speakers,...) other types of energy to electrical (vice versa)
-sensors                                other forms of energy to electrical
-actuators-ενεργοποιητές     electrical energy to forms of energy
circuits                                  move electricity to different conponents
direct current circuits
alternating current circuits

Current                                  measured with Amps A

Voltage                                   measured with Voltage V

Resistance                              measured with Ohms  Ω

led   cathode(-)/shorter leg

         anode(+) /longer leg

resistor    converts electrical energy into heat

switch --- switch is closed it will complete the circuit--monentary/pushbuttons

build the circuit

series curcuit

parallel circuit