Pre-Workshop Preparation
Pre-Workshop PreparationThe following videos and websites are to familiarize you with many of the topics we will be covering in the workshop. If you have a good background in electronics, this will be an easy review. However we understand that many of you do not have backgrounds in electronics. This exercise is to familiarize you with the terminology before the workshop starts. The questions are to help you focus and not fall asleep during the videos;-) The videos are short 2-8 minutes and a few have advertizements at the beginning that you can skip over after a few seconds. Allow 3 to 4 hours to view and digest this information. You should have reviewed the MATE ROV Building videos before you begin this.Basic ElectricityBasic Electricity – What is an amp? (5:40) is an ampere? (explain in technical values and in general terms.)What is an electric circuit?How does an electric switch work?How do fuses work?Do electrons flow from positive to negative or is it the reverse?What is “conventional current”?Electronics – Ohm’s Law (4:32) What is the equation for Ohm’s Law?Define voltage? (Include the letter that represents it too)Define current? (Include the letter that represents it too)Define resistance? (Include the letter that represents it too)Series and Parallel Circuits (8:05) Which electrical quantity is the same in a series circuit, Volts, Amps, Ohms or Watts?Which electrical quantity is the same in a parallel circuit Volts, Amps, Ohms or Watts?Voltage DividersVoltage divider tutorial (3:53) are voltage dividers?What are they used for?What is the equation you want to use to calculate the output voltage?What is the equation you want to use to calculate the overall power consumption of the circuit?What is the recommend maximum number of millamps you should use with a voltage divider?TransistorsTransistor/MOSFET tutorial (4:50) is a transistor?How does a N channel MOSFET work?What are the names of the 3 pins on an N channel MOSFET and what does each pin do?What are the voltage ranges that you can use with these pins?SolderingHow and WHY to Solder correctly (6:43) is flux and why is it needed?What is tinning the tip?In general terms, describe how you should solder.What is a solder joint?When should a heat sink be used?What tip size should be used?Soldering Iron Wattage vs. Temperature (4:44) Techniques using Vacuum removal tools (15:08)(This video will be shown at the summer institute too) HYPERLINK "" safety related items can you list relating to desoldering?Why do you need to keep your tips clean?What is wrong with too much heat?Surface Mount Soldering 101 (8:55) does an ideal solder joint look like?MultimetersThe best multimeter tutorial (4:36) is continuity?How does continuity differ from resistance?Why is it important to ensure that your multimeter leads are properly connected?What would happen if you measured voltage with the leads plugged into the Amp terminal?Do you need to make any special preparation to the circuit to measure amps?OscilloscopesWhat is an oscilloscope? Tutorial Part 1(3:32) is an oscilloscope?Why do you need an oscilloscope?What quantity is displayed on the oscilloscope X axis?What quantity is displayed on the oscilloscope Y axis?Oscilloscope Tutorial Part 2 – Basic Usage (4:04) Tutorial Part 3 – Advanced functions (2:19) is a trigger?Pulse Width Modulation TutorialWhat is PWM? Pulse Width Modulation Tutorial (3:07) is the duty cycle?How does changing the pulse width change the average voltage is by the circuit?16 channel PWM LED fader Demo (2:10) presents: The LED What does LED stand for?Anodes and cathodes: which connects to the positive and negative?The following are not videos but webpages which summarize the following topics:Circuit Symbols and the Electron Series and Parallel connections Voltage and Current Circuit Diagrams Power and Energy H-Bridges: Theory and Practice ................
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