Electronics & IoT Tools

555 Timer Calculator

A professional electronics utility for circuit design using the 555 timer IC.

Battery Life Calculator

A professional utility for IoT and embedded systems power planning.

LED Resistor Calculator

A professional electronics utility to protect your LEDs from overcurrent.

PCB Trace Width Calculator

A professional electronics utility for reliable hardware design.

Resistor Color Code Calculator

A high-level visual calculator for decoding 4, 5, and 6-band resistors with precision ppm/K temperature coefficients.

Voltage Divider Calculator

A professional electronics utility for sensor biasing and signal level shifting.

RC Time Constant Calculator

A professional electronics utility for timing and smoothing circuits.

Ohm's Law Calculator

A fundamental electronics utility for circuit analysis.

Impedance Calculator

A professional electronics utility for analyzing series and parallel RLC circuits, including reactance and phase shift.

Decibel Calculator

A precision utility for calculating gain, loss, and reference levels in dB, dBm, dBW, and more.

Parallel Resistor Calculator

An interactive tool to simulate complex resistor networks with dynamic branch addition and tolerance analysis.

Power Factor Calculator

A professional engineering utility to calculate power factor, phase angle, and required kVAR for correction.

Dielectric & Energy Storage Diagnostic