Circuit Playground simplifies electronics reference & calculation – so you can have more fun hacking, making, & building your projects. Features: • Calculate component values for Op Amp, 555, RC Filter, Resistor Divider circuits & more • Decipher resistor & capacitor codes with ease • Calculate power, resistance, current, and voltage with Ohms Law & Power Calculators • Quickly convert between decimal, hexadecimal, binary or ASCII characters • Calculate values for multiple resistors or capacitors in series or parallel • Pinout diagrams for widely-used ICs, connectors, & boards • Find color for LED wavelength • Detect a magnets polarity • Show off your project by submitting pics to Adafruits Show & Tell • Access exclusive deals from Adafruit Industries All that, plus more functions & enhancements to come!