Interactive Electronics Engineering
Visualize, Calculate, and Design with precision.
Engineering Toolkit
Resistor Color Code
Decode 4, 5, and 6 band resistor color codes with visual feedback.
Voltage Divider
Calculate output voltage and visualize the circuit behavior.
LED Resistor
Determine the perfect series resistor for your LED circuits.
PCB Trace Width
Calculate required trace width for given current and temperature rise.
555 Timer
Design Astable and Monostable 555 timer circuits with timing diagrams.
Battery Life
Estimate battery runtime for your load and capacity.
dBm Converter
Convert between dBm, Watts, Volts, and other power units.
Zener Regulator
Design Zener diode voltage regulators and calculate series resistance.
Wheatstone Bridge
Calculate bridge balance and output voltage for sensor applications.
Stepper Torque
Calculate required torque for stepper motor applications.
LM317 Calculator
Design adjustable voltage regulators using the LM317.
Wire Voltage Drop
Calculate voltage drop across long wire runs.
Inductor Color Code
Decode inductor color bands to find inductance values.
Microstrip Patch
Design rectangular patch antennas. Calculate dimensions and efficiency.
RF Link Budget
Calculate Friis transmission equation, path loss, and received power.
Coax Cable Loss
Estimate attenuation and power handling for common coaxial cables.
LC Resonance
Calculate resonant frequency of LC circuits and visualize the response curve.
Skin Depth
Calculate AC current penetration depth in conductors at RF frequencies.
Solar String Sizing
Optimize solar panel series/parallel configurations for your inverter.
Battery Pack Builder
Design custom Li-Ion packs. Calculate S/P configuration and total energy.
Heat Sink Calculator
Determine required thermal resistance to keep components cool.
Buck Converter
Design step-down switching regulators. Calculate L and C values.
Boost Converter
Design step-up switching regulators. Calculate L and C values.
Op-Amp Gain
Calculate gain for Inverting and Non-Inverting Op-Amp circuits.
RC Filter
Design Low Pass and High Pass RC filters with Bode plots.
LC Filter Design
Calculate L and C values for 2nd order Pi and T filters.
Audio Crossover
Design 2-Way Passive Speaker Crossovers (1st & 2nd Order).
dB SPL Calculator
Estimate Sound Pressure Level at a distance from the source.
Logic Gate Visualizer
Interactive Truth Tables for AND, OR, NOT, XOR, NAND, NOR.
Base Converter
Convert between Binary, Octal, Decimal, and Hexadecimal.
Boolean Solver
Simplify Boolean expressions and generate Truth Tables.
ADC/DAC Calculator
Calculate Resolution, Step Size (LSB), and Quantization.
7-Segment Decoder
Visualize Hex codes on a Seven Segment Display.
PCB Via Calculator
Calculate current capacity and thermal rise for PCB vias.
Planar Inductor
Design PCB spiral inductors. Calculate Inductance and Q.