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DIY Live has a short and sweet tutorial on reading color coded resistors – Link.


  • Resistor Color Code for 4 and 5 band resistors – Link.
  • Visit MAKE in the virtual world and use our interactive resistor calculator – Link!
  • Resistor Color Bands – Link.
  • Homemade Simple Cardboard Variable Capacitor – Link.
  • Soldering and Desoldering by Joe Grand in Primer – Step-by-step instructions for making (and unmaking) the perfect solder joint. Info & article on page 162.

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.

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