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About Resistor Plus

Calculate the value, tolerance, and temperature coefficient of any resistor.

This application helps you decode those 3 to 6 color bars painted on the surface of usual resistors and the three or four-digit codes written on the SMD (Surface Mount Device) resistors. If you Take or Load a photo of a resistor, the color of its rings can be displayed (as RGB components) and automatically recognized.

Features:

-- A lightweight, unique app for all resistor markings

-- Two permissions required, camera and storage, to handle the pictures

-- intuitive interface, ergonomic design

-- runs on most Android phones and tablets

Please support our continuous efforts to develop better and faster applications!

What's New in the Latest Version

Last updated on Jul 24, 2025

Minor bug fixes and improvements. Install or update to the newest version to check it out!

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Additional APP Information

Latest Version

Request Resistor Plus Update

Requires Android

Available on

Get Resistor Plus on Google Play

Category

Tools App

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Resistor Plus Screenshots

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