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ELECFREAKS Classroom Smart Pet Feeder Kit
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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...
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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.
Scenario-based Teaching
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.
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NOTE - in Australia we do not recommend you use this with Coin Cell batteries!
This product can function without while powered by USB. The purpose of the Coin Cell is for the Real Time clock module however this is not needed in order to use this product.
Additional Information
Warning: Button Cell Batteries are Hazardous (new or used). Keep away from Children.
Button Cell Batteries can cause severe or fatal injuries in 2 hours or less if they are swallowed or placed inside any part of the body. If you suspect your child has swallowed or inserted a button cell battery, call the 24-hour Poisons Information Centre in Australia on 131126 or in New Zealand on 0800 764 766 or contact your country's emergency department.
Link：http://wiki.elecfreaks.com/en/microbit/interesting-case/classroom-smart-pet-feeder-kit/
Button Cell Batteries can cause severe or fatal injuries in 2 hours or less if they are swallowed or placed inside any part of the body. If you suspect your child has swallowed or inserted a button cell battery, call the 24-hour Poisons Information Centre in Australia on 131126 or in New Zealand on 0800 764 766 or contact your country's emergency department.
Link：http://wiki.elecfreaks.com/en/microbit/interesting-case/classroom-smart-pet-feeder-kit/
Jargon buster
Plain-language definitions for the technical terms used above.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- PIR sensor
- A passive infrared sensor detects changes in heat, usually from a person moving across its view. It matters because PIR sensors are common for lights and alarms, but they can miss people who are present but not moving much.
- servo
- A servo is a motor with built-in position control, usually told to move to a specific angle by a control signal. It matters when you need repeatable movement, such as steering, arms, flaps, or linkages, rather than continuous spinning.
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