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Hardware
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Raspberry Pi 3 Model B + (￡33.90, 1 is needed, not included)
The Raspberry Pi 3 Model B is the earliest model of the third-generation Raspberry Pi. In our project, It can receive the real-time signals of the GPIO from all the sensors and deal with the real-time data.
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Hall sensor (￡4.49, 1 is needed)
We use a hall sensor to detect the velocity of the bike. The theory is to put the magnets on the axle of the bicycle wheel. Make sure the hall sensor is close to magnets enough so that it can detect the magnetic field when the bike runs. Hence estimating the bike's velocity from the rotations of the wheel.
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Ultrasonic sensor（￡3.99, 1 is needed)
The Ultrasonic sensor is to detect the distance between the bicycle and car. Alongside, calculating the velocity of the incoming car by differentiating its position.
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Pi camera （￡10.99, 1 is needed)
The Pi camera is used to capture the picture of the car plate. We found a feasible location for the Pi camera so that it has a strategic point to always capture a clear view of the plate number.
- Male/Male, Female/Female and Male/Female wires ，magnets (approximately ￡ 2.34)
- GPIO Breakout Kit Expansion Board For Raspberry Pi 3 B+ (￡14.49)
- Power supply for Raspberry Pi or Power bank. (￡ 13.56)
Overall, it costs us ￡49.86 except the Raspberry Pi 3 Model B + for the project.