Build and simulate linear AC and DC circuits by dragging and rotating components. Calculate steady-state voltages and currents. View real-time DC current flow and review results with detailed analysis. Export schematics and solution data.
by Neil Woodcock★ 2.52 ratingsEducationFreeData updated 2026-09-09
Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.
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.
Simulate circuits using components like AND, OR, NOT gates, flip-flops, and multiplexers. Build and test circuits with drag-and-drop components. View output through monitors and adjust inputs manually. Save and share designs.
Design and test electronics projects in a virtual workspace. Simulate circuits using over 150 components and 1,000 reference boards. Adjust 3D models and view physics-based interactions. Export project data and share designs.
’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 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 values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.
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.
The app calculates electronic components for speaker system filters. It designs circuits for various speaker types and displays frequency and phase diagrams.
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.
Allows users to create and manage HIIT, Tabata, and Circuit Training workouts. Set custom intervals and combine timers for multiple exercises. Displays full-screen colored countdowns in landscape or portrait mode.