Paul Stewart 10/26/2015
A resistor is a device used in the circuitry of all sorts of electronical devices. An resistors job is to reduce the amount of electricity that flows through a circuit. Every resistor resists a different amount of elecricity. Some resist a tremendous amount of electricity. Some do almost a percent of elecricity.
LED's (Light Emmiting Diodes) are diodes that light up when elecricity is run through them. The elecricity flows one way when it goes through the diode.
OHM’s Law states that if the voltage is increased, the current will increase provided the resistance of the circuit does not change.
PWM (pulse width modulation) allows you to define the level of brightness of an LED by adjusting the amount of time between each LED's on and off states.
Transistors can turn on or off the flow of a much larger current than an Arduino board can handle.
Rectifier diodes lets elctrical current flow in only one direction and is mainly used for pwoer supply opperation. Rectifier diodes can handle higher current flow than diodes and are generally used in order to change alternating current into direct current.
Relays are used for the same reason as transistors, to control a much larger current and voltage.
A relay has the advantage of being electrically isolated from the control circuit, which allows the Arduino to switch very large currents and voltages.
Creating project1 was simple task of using Arduino programing. The code was really easy to type. Project1 is a program in which LEDs are attached to the Arduino, by the means of circuitboard, and programed to blink in a specific order. In this case, they are in a line. The program starts at the first LED and goes to the last LED, and then back again. This is like the lights of the car "Kit" in the television show, Night Rider.
Creating project2 was simple like project1. This program had the same wiring as project1, except the code is different. This program had the LEDs start at the first LED, then it continued to the last LED, and then it started over. It