The code grabs a frame of video and divides it into 10 vertical zones, one for each degree of motion for the stepper motor. It creates an array with the values from each of the 10 columns.

Continue reading “ESP32-Cam Makes A Dandy Motion Detector ... with trivia questions and their answer as a QR code standing in for the punch-cards.He also added a pair of user consoles, ...

Place a QR code beneath the petri dish, and turn on your phone’s camera. If the phone can read the code, it’s safe. ... (though detection sensitivity would still be an issue).