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Introduction to Sensors - Part 1

Introduction to Sensors - Part 1. Freshman Engineering Honors Program. The Handy Board - Motor Ports. The Handy Board - Analog Ports. The Handy Board - Digital Ports. Basic Soldering Tips. Heat Wire with Iron Let Wire Melt Solder (where possible). How to make the perfect solder joint.

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Introduction to Sensors - Part 1

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  1. Introduction to Sensors - Part 1 Freshman Engineering Honors Program

  2. The Handy Board - Motor Ports

  3. The Handy Board - Analog Ports

  4. The Handy Board - Digital Ports

  5. Basic Soldering Tips • Heat Wire with Iron • Let Wire Melt Solder (where possible)

  6. How to make the perfect solder joint • All parts must be clean from dirt and grease • Try to secure the work firmly • "Tin" the iron tip with a small amount of solder (Do this immediately with new tips being used for the first time) • Clean the tip of the hot soldering iron on a damp sponge • Helps to add a small amount of fresh solder to the cleansed tip • Heat all parts of the joint with the iron for under a second or so • Continue heating, then apply sufficient solder only, to form an adequate joint • Remove and return the iron safely to its stand • This should only take 2-3 seconds at most to solder the average P.C.B. joint • Do not move parts until the solder has cooled

  7. Troubleshooting Guide • Solder won't "take" - grease or dirt present - desolder and clean up the parts. Or, material may not be suitable for soldering with lead / tin solder • Joint is crystalline or grainy-looking - has been moved before being allowed to cool, or joint was not heated adequately - too small an iron / too large a joint • Solder joint forms a "spike" - probably overheated, burning away the flux

  8. First Aid • In the unlucky even of burns which require treatment, follow these steps: • Immediately cool the affected area with cold running water, ice, or even frozen peas for ten minutes • Remove any rings etc. before swelling starts • Apply a sterile dressing to protect against infection • Do not apply lotions, ointments, etc, nor prick any blisters which form later • Seek professional medical advice where necessary

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