Project 2 – Combining the webcam movement detector and the PiCam camera

Now that we have a working PiCam script and know which configuration details are needed to enable motion movement detection, we can update the Bash script from Project 1a – Creating a Bash script to drive raspivid to include this motion detector feature. So, we need to enable actions in the motion configuration file to start and pause recording using a script.

Here is a preview of what is added to the new security.sh script:

• For the load option, the command lines to start motion are added and the USB camera is set to a fixed focus

• For the quit option, a command line is added to kill motion

• For the motion configuration file, the following events are enabled:

  • A motion-detect event that turns on PiCam recording

  • An end-of-movement event that pauses PiCam recording

Since the script file is now over 100 lines long, it would be quite a chore to type in the changes. To get the new file with the changes added as described in the previous...