Bluetooth-controlled cars can be controlled by using an android mobile phone instead of any other way like buttons, gestures, etc. You only need to touch the Bluetooth button on android devices to control the movement of the car. The Bluetooth connection acts as a remote controller that controls the directions of the car such as forward, backward, left and right. In this project, the android phone works as a transmitting device. On the other hand, the Bluetooth module placed in the car works as a receiver.

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With rise in population, amount of pollution also increases. This resulted in climate change and global warming. After few years because of this increasing pollution we will face water scarcity. So what can be done to stop this? As always the answer for this lies with improvement in technology. Here, we tried to prepare an automatic water dispenser that will help to reduce the wastage of water.

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