Apps Like Electronics Handbook for iPhone and iPad
Access circuit data and formulas
Resistor Band Converter allows users to build resistors by selecting color bands and displays the resistance value. It also identifies color bands based on resistance input.
by Keysight Technologies, Inc★ 3.24 ratingsEducationFreeData updated 2026-09-08
Perform calculations including resistor color code analysis, transformer voltage and current computations, and voltage, current, resistance, and power determinations. Include upgraded voltage drop calculations compliant with NEC/IEEE standards.
Simulate electronic circuits with engine and virtual instruments. Add components to a breadboard and connect them. Analyze signals using oscilloscope and logic analyzer. Export simulation data. Create or customize electronic parts.
Calculate Voltage, Current, Resistance, and Power using Ohm’s Law and ’s Law. Input values to solve for unknowns. Display results instantly. Includes formulas for calculations. Supports both direct and indirect circuit analysis.
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.
Design and simulate electronic circuits with components like resistors, capacitors, and transistors. View voltage, current, and signal data in real time. Use oscilloscopes and multimeters for measurement. Adjust and test circuits dynamically.
Learn boolean algebra and digital circuit concepts through interactive logic gate puzzles. Build and test circuits using AND, OR, XOR gates, and other components. Unlock advanced elements and create custom circuits in Playground Mode.
LightBlue® connects to Bluetooth Low Energy devices. Users can scan for and connect to nearby BLE devices. They can view device profiles, read and write characteristics, and subscribe to notifications. The supports both central and peripheral modes.
Determine resistor values by selecting ring colors and number of rings. Choose orientation with the larger gap on the right. Receive value, tolerance, and other details.
Calculate subwoofer voice coil wiring for single, double, and quad configurations. Determine subwoofer cone area. Suggest amplifier power and car electrical system requirements. Include subwoofer box calculators and Ohms Law tools.