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About Resistor

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

This free 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

-- no intrusive ads

What's New in the Latest Version 6.3.0

Last updated on Aug 5, 2025

- Code optimization
- 'Exit' added to the menu
- SMD resistors were added
- Improved user interface

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Additional APP Information

Latest Version

Request Resistor Update 6.3.0

Uploaded by

Dlshad Ali Agha

Requires Android

Android 6.0+

Available on

Get Resistor on Google Play

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Resistor Screenshots

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