This work presents a product for detecting obstacles above the vehicle. The device warns us of obstacles by beeping in the passenger cabin to prevent the occurrence of property damage. The product consists of two units, the first is installed on the roof of the vehicle, for example in the roof box or on the front part of the bicycle. It has two sensors for detecting the obstacles around the vehicle. If the obstacle is detected, the unit reports the information to another unit which is located near the driver in the vehicle, and it contains a beeper. The units communicate with each other wirelessly via Bluetooth technology.
The first part of the work explains the operation of sensors and Bluetooth technology. The following part describes the operation of each unit. Finally, improvements, realized in the future work, are listed.
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