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panditsomnath10016git · Dec 15, 2023 · e4bd5c3 · e4bd5c3
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diff --git a/README.md b/README.md
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 # simplePiCamera-GUI
 A mininalistic picamera GUI to take pictures or ~videos~ with Raspberry-Pi.
 
-An effort to make an simple picamera application to take pictures and videos with picamera module in python. Initially it is a script to take only pictures but hopefully I will get time to extend it to take videos and set the different camera parameters.
+An effort to make an simple picamera application to take pictures and videos with picamera module in python. Initially it is a script to take only pictures but it will be extended to take videos and set the different camera parameters.
 
-## Update Dec14, 2023
+<img src="/img/GUIscreenshot.png" alt="simplePiCameraGUI screenshot" width="480" />
+
+### Update Dec14, 2023
     - scalebar introduced in the preview which can be calibrated visually.
+    - Error message if camera not found during initalization.
 
 ## Keyboard shortcuts
     - <Control+S> to quick-save instantly with default timestamped filename.
     - <Control+C> closes the application.
 
-<img src="/img/screenshotGUI.png" alt="simplePiCameraGUI screenshot" width="480" />
+## Calibration of scale for zoom lens (targeted microscope) usage.
+<img src="/img/calib_screen.png" alt="calibration screen" width="480" />
diff --git a/img/GUIscreenshot.png b/img/GUIscreenshot.png
diff --git a/img/calib_screen.png b/img/calib_screen.png
diff --git a/img/screenshotGUI.png b/img/screenshotGUI.png