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
Create 3D models using intuitive device-optimized controls. Design circuits, code, and simulate electronic components. Learn through hands-on projects. Access free, ad-free tools suitable for all ages.
Calculate electrical values using over 130 circuit calculators. Analyze resistor, capacitor, and inductor values. View component datasheets and circuit diagrams. Convert units and solve Ohm's law problems.
Calculate properties using Ohm's Law, current, power, voltage, resistance, and horsepower formulas for DC and AC circuits. Convert units between volts, amps, watts, and ohms. Determine power factor and RMS voltage. Estimate voltage drop in systems.
Essential tool for electronics engineers hobbyists
The app decodes resistor color bands, calculates circuit values, and looks up standard resistor values. It supports 4, 5, and 6-band resistors and allows users to enter resistance values to find matching color bands.
’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.
Calculate coordinates and grid squares for projects
Offers calculators for designing radios and antennas. Users can find latitude and longitude from a maidenhead square or vice versa. Calculate distances between squares. Convert units. Locate current position.
Decode bands by selecting colors to determine resistance and tolerance. Supports 4-band resistors. Provides accurate calculations. Features a clean interface and works offline.
Fundamentals with detailed explanations on topics like electricity, voltage, current, resistance, and Ohm's Law. Explore components such as capacitors, diodes, LEDs, and tools like multimeters, voltmeters, and ammeters.
Calculate values using voltage, current, resistance, and power formulas. Access single and three phase calculators, horsepower tools, and unit converters. Unlock additional features with an in- purchase.
Calculate values by selecting color bands. Display resistance, tolerance, and temperature coefficient. Visualize bands with interactive color selection.
Exam questions organized by topic and subtopic. Review explanations for correct answers. Track progress over time. Set study goals and receive feedback on performance. Access updated content reflecting current standards.