Apps Like Simple Circuit Builder for iPhone and iPad
Measure voltages and calculate resistance
Learn about resistors and resistance with interactive simulations. Configure up to eight component sections. Measure voltages across resistors and current through series and parallel circuits. Solve electrical circuits.
by David White★ 4.028 ratingsUtilitiesFreeData updated 2026-09-06
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.
Learn about circuits with interactive lessons on series and parallel configurations. Calculate voltage, current, and resistance. Simulate behavior and observe current flow visually.
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.
Provides tools for calculations and theory. Users can explore Ohm's Law and resistor calculations. Access theoretical concepts in Basic Knowledge and practical exercises in and Advanced sections.
Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.
Decode bands by selecting colors to determine resistance and tolerance. Supports 4-band resistors. Provides accurate calculations. Features a clean interface and works offline.
Electrohelper allows users to access reference information on electronic components and circuits. It includes tools for calculating various filter types such as Butterworth, Sallen-Key, Chebychev, and Bessel.
Allows users to calculate resistor values using color codes and SMD codes. It includes tools for Ohm's Law, reactance, resonance, and voltage dividers. Users can determine resistor ratios, series/parallel combinations, and LED resistor needs.
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.
Helps users calculate electrical values using Ohm's Law. It includes practical exercises and theoretical explanations. Users can explore basic electrical concepts and advanced topics with structured lessons and problem-solving tools.
Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.
Calculate electrical circuit values by entering two known variables (current, resistance, voltage, or power). Adjust units dynamically for accurate results. Display total resistance and power in the circuit.
Calculate resistance values for 4, 5, or 6 ring resistors by selecting color codes or entering resistance values. Determine colored rings based on resistance input. Support for SMD resistors and EIA value calculations.