If you don’t know a resistor from a Mister Mister, this is the app for you. Built by Adafruit, creators of DIY Arduino gear, Circuit Playground is a $2.99 app designed to help you identify and understand various electronic components. For example, the app includes a resistor identification system based on the colored bands painted on the casing as well as a field guide to many electrical components

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Circuit Playground App Helps Makers Build Electronics