Resistor Scanner (beta)

Get resistor values by either scanning them or manually selecting the colours

Resistor Scanner (Beta) - Easy Resistor Value Detection

"Resistor Scanner (beta)" is an Android app that helps users identify resistor values through color scanning or manual selection. It supports both 4-band and 5-band resistors, providing two-way conversion options. With features like a scanning guide, auto-focus, and tips for optimal conditions, this app is designed to ensure accurate readings. While it excels in most color detection, it acknowledges limitations with certain colors like white and gray, with plans for future improvements.
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App stats

Rating: 2.64
(248)
Version: 1.0.13 (Last updated: 2024-11-11)
Creation date: 2019-04-13
Size: 20.69M
Permissions
Camera: take pictures and videos
Other:
  • view network connections
  • full network access
  • prevent device from sleeping

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App summary

Resistor Calculator Section

Two-way conversion
Calculate resistor values by selecting its band colours on the grid. You can also get the colour bands of the desired resistor value by typing its value in ohms in the top-right corner.

Support 4 bands and 5 bands.
Tap on the resistor to switch between 4 and 5 bands.


Scanning Section

Resistor Types supported
Only 4-bands resistors with a clear background colour are supported.

Resistor Placement
· Make sure only 1 resistor is inside the square.
· Place the resistor HORIZONTALLY inside the blue square with the tolerance on the
RIGHT on a white background (a sheet of paper will do the job).
· Use the zoom bar to make the resistor as big as possible.
· The bigger the resistor is, the better the app will be able to determine the colour bands.

Auto-focus
The camera in the app is set to auto-adjust focus by itself. If the focus is bad, simply move the camera a bit farther away from the resistor and use the zoom bar to enlarge the resistor in the square.

Light Conditions
The camera won't do any better than our eyes to identify colours. Therefore light intensity and coloration are really important for colour detection. If the camera flashlight is not being used make sure that:
· Light is white (any other colour won't work)
· There is enough light for the camera to "see" well the resistor
· There are no shadows

Accuracy of the app
Accuracy of the app could vary a great deal depending on:
· Camera resolution
· Lightning conditions
· Background colour (Should be white only)
· Positioning
· Focus
· White balance

I take care of most of those variables. However, positioning, lighting conditions, and resolution will totally depend on the user.

Use "Live" mode and the flash light "ON" for better results.
Always try to follow these tips as thoroughly as possible for the best results.
The app can identify well most of the colours. However, for colours such as WHITE or GRAY the app doesn't do so well. This is something I'm aware of and I plan to improve it in later updates (and hopefully remove the "beta" from the name).

Email me at arnoldo2jr@gmail.com for any suggestions, Hope you like it!














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User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Google Play Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Love the idea and potential applications, especially for the color blind
  • Works fast for some colors
  • Helpful concept for identifying resistors quickly
Cons
  • Scanner does not recognize resistors correctly
  • Camera functionality is poor or does not work
  • Application often identifies resistors inaccurately, naming background colors instead
Most mentioned
  • Scanner does not work at all
  • Inability to recognize any resistors
  • Repetitive incorrect identification of colors
User reviews
I get it its a beta, but i managed to scan 0 resistor correctly. This thing dont know what is happening.
by Tamás Lukács, 2024-09-16

Does not recognize the resistor
by Gregor Germadnik, 2024-08-31

Very well app making me understand the level I am
by Muhydeen, 2024-07-09
View all user reviews

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