Electronics Reference logo

Electronics Reference

How to Join Electronics Reference Beta on iOS

About Electronics Reference

ElecKit is a lightweight electronics toolkit built for fast lookups and quick calculations—perfect for students, hobbyists, and engineers.

Tools included

- Resistor Calculator (4/5 band) + tolerance & range

- Ohm’s Law (V/I/R/P)

- LED Resistor Calculator (Vs, Vf, If)

- Capacitor Decoder (3-digit & EIA codes)

- Voltage Divider (2 or 3 resistors)

- RC/RL Time Constant with charging curve & key points (1τ…5τ)

- Unit Converter (Ω, F, H, Hz + prefixes)

- Battery Life Estimator (battery type, load current, duty cycle)

- Transistor Reference (NPN, PNP, MOSFET) with fast search & filters

Notes

* Designed for speed, clean UI, and offline use.

* Reference values may vary by manufacturer—always confirm with the datasheet.

Popular Apps

No apps available.

Frequently Asked Questions