About Resistor Scanner
Tired of looking up resistor color codes? Using this app, you can get the resistance using your phone camera! Features: - Automatic detection: No aligning of the resistor needed*, the app locates it automatically and...
Tired of looking up resistor color codes? Using this app, you can get the resistance using your phone camera!
Features:
- Automatic detection: No aligning of the resistor needed*, the app locates it automatically and analyses the rings
- Live detection
- Manual adjustment: Not the correct rings found? Tap and hold to correct them
- Manual mode: Choose the ring-colors and get the resistance
- Detect multiple resistors at once
- Brightness and zoom sliders
- Touch to focus
- Load image from gallery
If there are issues, please send me a mail (attach screenshots)
* in the free version, resistors need to be placed horizontally
Previous Versions
Here you can find the changelog of Resistor Scanner since it was posted on our website on 2017-01-06 11:19:17.
The latest version is and it was updated on 2026-06-23 23:25:00. See below the changes in each version.
Resistor Scanner version
Updated At: 2025-06-09
Changes: Drastic rework of most aspects of the algorithm.
Improved UI.
Support for automatic direction detection
Pro version now supports freely oriented resistors
Various fixes and improvements.
Added faster performance mode
Further detection improvements are on the way!
Resistor Scanner version
Updated At: 2025-06-03
Changes: +++ Complete rework of camera interface +++
+++ Added manual focus (focus using a slider) +++
+++ Focus should work a lot better on most devices now +++
+++ Added white balance setting +++
+++ Added option to remove ads from within the app, instead of buying the Donate version +++
+++ Minor adjustments +++
- - - Live detection has been temporarily disabled - - -
Resistor Scanner version
Updated At: 2020-01-17
Changes: +++ Complete rework of camera interface +++
+++ Added manual focus (focus using a slider) +++
+++ Focus should work a lot better on most devices now +++
+++ Added white balance setting +++
+++ Added option to remove ads from within the app, instead of buying the Donate version +++
- - - Live detection has been temporarily disabled - - -
Resistor Scanner version 1.4.0
Updated At: 2016-12-18
Changes: + Changed positioning of detection information,+ Improved display of multiple detected resitors,+ Added setting to show/hide found colors,+ Improved resistor-color support,- Temporarily removed "Live-detection" (will be added back once it is improved)
Disclaimer
Official Google Play Link
We do not host Resistor Scanner on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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