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Safety

Safety

Soldering

1. Review this video for proper soldering technique http://www.youtube.com/watch?v=I_NU2ruzyc4&feature=related
2. Be aware of your surroundings! Soldering Irons get Extremely hot!
   • They melt soldering metal , and this molten metal can splatter or drip, so always be aware of what is around you.
   • Remove clutter from your work area and make sure you are not in a place where someone might bump into you.
3. ALWAYS wear safety glasses when you are soldering!
4. Be aware of the vapors.
   • The vapors produced when you are soldering are toxic, so make sure you are in a well ventilated area.
5. Take the quiz

Electrocution

• We'll be using low voltage ckts (Fairly safe)
• Be careful with capacitors, especially big ones

Your own circuits

• use properly rated components
  • e.g., when using a 1/4 watt resistor, don't exceed 1/4 W of power dissipation!!
  • e.g., switches have contact rating in amperes--if you exceed the rating, you'll burn/arc the contacts (light switch becomes a light bulb/fire ball)
  • Go on line to read data sheets for the parts you use in a circuit to find out the maximum current, voltage, or power
• Electrolytic caps can explode - look at voltage rating
• circuit components can get hot
• smoke test - if you smell smoke or feel something getting warm--shut off power ASAP (pull out ground or power wire)
• Be careful of short circuits - check circuit BEFORE you plug into power

Material Safety & Data Sheet for Ammonium Persulfate