Circuit Playground simplifies electronics reference & calculation so you can have more fun hacking, making, & building your projects.

• Calculate component values for Op Amp, 555, RC Filter, & Resistor Divider circuits
• Decipher resistor & capacitor codes with ease
• Calculate power, resistance, current, and voltage with Ohm's 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
• Store, search, and view PDF datasheets
• Show off your project by submitting pics to Adafruit's Show & Tell
• Access exclusive deals from Adafruit Industries

All that, plus additional features & enhancements coming soon!