ART 511.1 Spring 2012

San Francisco State University

Electronics and Robotics in Conceptual Design

 

Week 2

Wednesday, January 25, 2012

 

Greetings:

• Attendance  
• Hand in homework no later than 15 minutes of class starting
• Join the class mailing list at http://groups.google.com/group/art511-1
• Join the class wiki at art511spring2012.pbworks.com
• Everyone must join these things today 

Review:

• electricity
• conductors/insulators
• open circuit, closed circuit, short circuit
• power supply, load
• voltage, current, resistance
• Ohm's law (theory)
• Ohm's law (practice)

Lecture:

• Second light bulb: how do we connect it?
• first method:
• what is current?
• What is voltage?
• What is total voltage?
• What is effective resistance? 
• second method:
• what is current?
• What is voltage?
• What is total voltage?
• What is effective resistance?
• conservation of matter, conservation of energy 

Homework due Wednesday, February 1, 2012 :

• Create your own reference sheet. Show me, but do not hand in:
• Define voltage, current
• Scientific notation and eng. prefix (milli, micro, nano, Mega, Kilo, etc.)
• Resistor color code 
• Equation for equivalent resistance of multiple resistors in series
• Equation for equivalent resistance of multiple resistors in series
• Research and read about KVL and KCL
• Explain KVL and KCL in your own words
• Exercises 65 and 66 at https://teachmetomake.wordpress.com/basic-electronic-exercises/ 
• Read the chapter Basic Concepts of Electricity  in All About Circuits, a free online text book

 

Week 3

Monday, January 30, 2012

 

Greetings:

• Attendance  by roster
• Whose name did i not call who is trying to add?
• Homework:
• Minimum vs. serious
• Put your name on your homework!
• Who is not on 
• class mailing list at http://groups.google.com/group/art511-1 
• class wiki at art511spring2012.pbworks.com
  

Review:

• power supply, load
• open circuit, closed circuit, short circuit
• voltage, current, resistance
• Ohm's law (example)
• Effective resistance of 2 Rs (depending on how they are connected) 
• Did we discuss non-linear components? If so, review
• Did we discuss current limiting resistor? If so, review  

Lecture:

• LED
• graph
• over-current damage
• how to control?
• current limiting resistor 
• conservation of matter, conservation of energy
• Resistive vs. non-resistive components   

break?

check out kits

Lab:

• Current limiting resistor with LED
• Measure voltage in resistor, calculate current
• Measure voltage on LED
• Add voltages
• Time permitting, add second LED  : voltage drop, current limit

Lecture part b (time permitting):

• Transistor!

Additional Homework due Wednesday, February 1, 2012 (in addition to that assigned last week):

• Read Solid State Device Theory in All About Circuits
• Create a folder on this wiki in your name. 

Homework due Monday, February 6, 2012

• In your folder, create a page called "resources".
• Identify an alternate source and read about how transistors work. Your source can be online or in print. Name and link to this source in your resource page. 
• Create a page called "Inspiration" in your folder. 
• On your "Inspiration" page, escribe and link to  art and/or artists you find inspiring

 

Wednesday, February 1, 2012

 

Greetings:

• Attendance by roster
• Whose name did i not call
• Who is not on 
• class mailing list at http://groups.google.com/group/art511-1 
• class wiki at art511spring2012.pbworks.com
• TAs: take art685 for credit 
• Hand in homework
• folder 
• ref sheet
• Explain KVL and KCL in your own words
• Exercises 65 and 66 
• Books 

Review:

• voltage, current, resistance
• Ohm's law (example)
• Effective resistance of 2 Rs (series, parallel)
• Same current (series)
• Same voltage (parallel)

Lecture:

• Equivalent resistance in complex circuits
• Power
• Voltage divider
• Transistor 

Lab:

• 555

Homework due Monday, February 6, 2012

• In your folder, create a page called "resources".
• Identify an alternate source and read about how transistors work. Your source can be online or in print. Name and link to this source in your resource page. 
• Create a page called "Inspiration" in your folder. 
• On your "Inspiration" page, describe and link to  art and/or artists you find inspiring
• Exercises  67, 68, and 70 at https://teachmetomake.wordpress.com/basic-electronic-exercises/
• Research, provide a link, and read about how a 555 timer works. I do not expect you to understand it completely, but I do want you to have some familiarity when I lecture on this next week. 

 

Monday, February 6, 2012

Lecture:

• Transistor as a switch, binary, digital

 

Wednesday, February 8, 2012

Lecture:

• Common mistakes
• Introduction to Arduino 

Lab:

• Blink LED with Arduino

Homework due Monday, February 13, 2012:

• Read and understand the blink tutorial on the Arduino website
• Read and understand chapter 0 from the tronixstuff Arduino Tutorial
• Read and understand lessons 0, 1, and 2 of Lady Ada's Arduino Tutorial
• Identify a project from one of these (or other) websites that looks like fun and add it to your inspiration page 

 

Monday, February 13, 2012

 Lecture:

• The basic 4: input/output, digital/analog
• Software: polling, controlling 
• Look at Arduino project inspirations

Lab:

• Examples > Analog I/O > Analog Input http://arduino.cc/en/Tutorial/AnalogInput
• Build one of each and create some sort of interaction

Homework due Wednesday, February 15:

• Read and understand the basic 4 IO functionality of Arduino:

1. digitalWrite():  http://arduino.cc/en/Tutorial/Blink
2. digitalRead(): http://arduino.cc/en/Tutorial/Button
3. analogWrite():  http://arduino.cc/en/Tutorial/Fading
4. analogRead(): http://arduino.cc/en/Tutorial/AnalogInput 

• Read about control structures:
1. http://arduino.cc/en/Tutorial/IfStatement
2. http://arduino.cc/en/Tutorial/ForLoop
3. http://arduino.cc/en/Tutorial/SwitchCase2 also an introduction to the serial port

 

Wednesday, February 15, 2012

Lecture:

• Serial
• Functions
• Motors

Transition

• Sort out Arduino

Lab:

• do all 4 functions at once
• Use conditionals (if) and loops (for) 

Homework due Monday, February 20:

• There is school on Monday! We will continue working with Arduino . Bring in your laptop.
• I did not get the homework up in time so you have no homework due on Monday

Homework due Wednesday, February 22:

• Read and understand how to make an Arduino sketch communicate with a program on your laptop, e.g. at http://arduino.cc/en/Tutorial/Graph. We will do this exercise using Processing

 

Monday, February 20, 2012

Lecture:

• Binary system

Lab

• binary count
•  http://arduino.cc/en/Hacking/Atmega168Hardware
• http://www.arduino.cc/en/Reference/PortManipulation 

 

Homework due Wednesday, February 22:

• See above

 

Wednesday, February 22, 2012

Announcements

• visiting artists, scholarships

Lab: Design and implement a system:

• Inputs:
• A photoresistor or other analog sensor
• Outputs:
• analog output (PWM) of 1 LED
• 3 bit binary display of 3 LEDs
• Behavior:
• The value of the analog sensor is indicated in 3 places:
• PWM  output
• Same value indicated as a 3 bit binary number

Homework due Monday, February 27:

• Add the following inputs: 
• Two switches or other digital sensors
• Add the following output:  
• A single LED on a digital output
• Add the following behavior
• The blinking LED initially blinks at a frequency of 1 Hz
• One of the digital sensors speeds up the blinking, 100 ms for every press
• The other  digital sensor slows down the blinking, 100 ms for every press 

 

Monday, February 27, 2012

 

Greetings:

• Attendance  
• Show me your working homework

Lecture:

• Finish viewing inspiration

Lab

• Continue with homework assignment due today

 

Wednesday, February 29, 2012

 

Lab

• Continue with homework assignment due 2/27

 

Monday, March 5, 2012

Chain reaction lab:

• The goal is to get something done quickly
• What you've used: LEDs/light sensors/switches
• What you have learned but not used:: motors/relays/other sensors 
• Stick with what you know for now: LEDs and light sensors. We'll get fancier later.
• Other things (Motors, etc.) are OK if you know how to use them but remember the goal
• Have a couple of LEDs so when you get the signal blink a little before passing on to the next piece
• Have a button to activate your trigger so that the next person can test
• Use Serial.println to tune your sensor values
• Use electrical tape if necessary  

 

Wednesday, March 7, 2012

Review:

• What have we learned?

Discuss:

• Projects

Lab:

• Servo sweep
• Servo: analogIn 

Homework

• View "smart spaces" and write report due Wednesday March 14. The gallery is open Wednesdays - Saturdays, 11 a.m. - 4 p.m. link to the gallery
• Short presentation on your project concept and plan due Monday March 12.
• Rough project plan, to be handed in, due Wednesday March 14.

 

Monday, March 12, 2012

Presentations

• Everyone is to make a short presentation on their project concept and plan. I will have the projector and a computer (not mine) set up.

 

Wednesday, March 14, 2012

Announcements:

• Free money!
• Senior Art Expo

Lecture:

• Block diagrams (hw, sw)
• Motor + transistor + PWM + relay
• Second power supply
• Non-functional vs. destructive
• Polarity!!!
• Principles and schematic for each lab

Lab:

• Blink without delay()
• Motor, transistor, PWM, relay, second power supply
• How to solder ; make tri color LED wand

Homework due 3/26

• Projects:
• Make a page for your project  on the wiki, in your folder.
• Describe your project (ok to use the very same text you hanIded in for homework today)
• Include anything else that might be interesting: links to video or audio, links to siimlar work or work that inspired your project, etc. 
• Add two etailed block diagrams of your project: one for hardware, one for software. If your project does not involve Arduino then no software is necessary. If your hardware is a kit, try to learn how it works and document that.
• Magic boxes allowed at this point, but eventually you will either solve them or design the project to avoid them.
• Start gathering materials for your project
• Start researching various details of your project. No need to document yet. 
• Find and read a tutorial on how to use Arduino to control motor speed and direction. Suggested keywords: Some or all of: Arduino, relay, PWM, motor, reverse
• Read these 4 tutorials on how to solder
• Read this comic book on how to solder

 

Monday, March 26, 2012

Lecture:

• Resources: stores (mcmaster, grainger, jameco, digikey), mailing lists (dorkbot, sfuc, parts, dprg, noisebridge), places(nb, dorkbot), surplus catalogs(bring)
• Process: Where to start on your project?

Lab:

• Solder

 

Wednesday, March 28, 2012

 

Announcements:

• Zero1
• Maps and Systems
• Jonathan, Amal, others? 

Homework due Monday 4/2

• Project journal

1. what is the current highest risk item
2. what is the plan to alleviate that risk
3. what you plan to do for/in each class 
4. what you actually managed to do
5. problems you ran in to
6. plan forward
7. what parts, information, and assistance do you need

• Senior art expo: Add your info to this page
• Your name and major/emphasis 
• Title
• Dimensions
• All media used
• Brief statement of work, 50 words max. 

 

Homework due Wednesday 4/4

• Book reviews
• Add full title, author, and ISBN number
• You do not need to read the entire book. Read a couple of chapters and skim the rest. 
• Did you find the book helpful? 
• Was it clear and well written?
• Would you recommend it to someone new to Arduino and electronics?
• Would you buy it?

 

Monday, April 2, 2012

Announcements:

• withdrawal deadline is April 16th

• Root division show April 14th

 

Hand in homework

• Info for Senior Art Expo

 

Wednesday, April 4, 2012

Hand in homework

• Book reports

 

Monday, April 9, 2012

Lecture

• Review:
• Parallel voltage, series current 
• Maximum current source 
• New topics:
• Active both high/low vs. single sided
• Current sinking
• Calendar/schedule
• Project status 

 

Monday, April 30, 2012

• Return ALL books from first round of reports
• Second round of book reports are due on 5/9
• Return of Arduino, kits, sensors , motors, or other things you may have borrowed: Finals week?
• End-of-semester show
• QUICK review of all projects. I especially want to hear from people I don't usually spend time with 

 

Posters!

art511poster

art511poster2

art511poster3