# ME 120

### Site Tools

lecture:lecture_10

### Lecture 10: Midterm Exam

#### Don't forget to bring:

• simple calculator
• pen or pencil

Get a good sleep and see you there!

#### Topics

##### Circuits
• Use of multimeter for voltage, resistance, current
• Circuits in series
• Circuits in parallel
• Kirchoff’s laws
• Mix of series and parallel
• V, I, R, P: values, units, application to entire circuits and individual components of the circuit
• Voltage dividers
##### Programming

Functions

• Void Setup()
• Void loop()
• pinMode(pin,mode)
• delay()
• Serial.begin(9600)
• Serial.print()
• Serial.println()
• digitalWrite(pin,val)
• analogWrite(pin,val)
• millis()
• user-defined functions

Components

• LED
• Resistor
• Potentiometer
• Photoresistor

Tricks

• If/Else statements
• For loops
• PWM signals
• math operations: modulo, logarithm, exponential
##### Excel

Graph

• plot data points
• label x and y axis

Play around with data

• write an equation in a cell
• in an equation involving other cells, anchor a cell using the \$ sign
• create a column of cells using the pattern of the top cells 