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ELECFREAKS Classroom Smart Pet Feeder Kit uses a micro:bit v2, an IOT:bit expansion board, a PIR sensor from the Octopus series as well as a Sonar:bit, a 180° 9g servo, and a cute little wooden house as components.
The working principle of the smart pet feeder is as follows: firstly, the PIR sensor is responsible for detecting whether it is a pet approaching or not; secondly, the sonar:bit is used to detect whether the pet reaches within 20cm in front of the wooden house. When both of these conditions are met, the servo will rotate, which will cause the storage box for pet food to dump out the pet food. After the process of dumping the pet food is completed, the servo will return to its original position and wait for the next feeding.
This ELECFREAKS Classroom Smart Pet Feeder Kit aims to cultivate primary and secondary school students' innovation and hands-on ability, and at the same time deepen students' understanding of programming knowledge by writing programs to control the work of the feeder.
Combined with the smart materials pack and applied in the classroom, the case can be displayed in front of the children more intuitively, allowing the children to get started quickly and learn programming in fun.
