Add this code to save the video stream to a file, which uses the timestamp as the filename, and appends the file format to create a valid file. Print a message to the terminal to show that the recorder has been triggered and set the recording time to 120 seconds. When the user presses the button, this if condition will start the process of capturing video. Create an if condition for the trigger and set the current date and time, used later as a timestamp. Create a delay, forcing the camera to wait for one second each time the loop iterates. Add a try statement which will attempt to run the code indented within it, in this case it will start with a loop to constantly run the code within. stream = picamera.PiCameraCircularIO(camera, seconds=120)Ĭamera.start_recording(stream, format='h264')ġ9. Here the camera is instructed to record 2 minutes before activation. A stream is used to create a circular buffer that will record events before the button is pressed. Create a connection to the Raspberry Pi Camera, then set the resolution to 720p. Create an object, “trigger” that will be used to link the button connected to GPIO 16 to the code. Then a connection to Dropbox is made using the token for authentication. Paste the Dropbox token into the code, and then assign it to a variable called “token”. Import the following libraries to add support for basic IO, a push button, the camera, date / time and Dropbox. The first line of Python is the location of the Python3 interpreter, this is needed to make the code executable from the terminal. Open the Geany IDE, found in the Raspberry Pi Programming menu.ġ3. (Image credit: Tom's Hardware) Coding a Python Script for Raspberry Pi Body Cameraġ2.
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