![]() This is the way we will consider.Īs an example, let’s consider a simple temperature and pressure sensor BMP-180, connected to the Arduino Uno on a standard circuit. Connection via USB is probably the easiest way because it is enough to plug the Arduino through a standard cable into the Raspberry Pi USB socket.The use of serial bus I2C, which allows connecting to one Raspberry Pi up to 128 Arduino devices in slave mode, and such connection also does not require level converters.At the same time, it is recommended to use special level converters to ensure a safe connection. There are difficulties associated with different power levels: Raspberry Pi runs at 3.3V, while Arduino uses 5 volts. It is using an explicit serial data channel. ![]() There are several connection scenarios for connecting Arduino to Raspberry Pi: ![]() At the same time, Raspberry Pi has enough power to transmit data over secure HTTPS channels to the cloud, as well as to interact with the user through an advanced interface (for example, when running Windows 10). ![]() In many cases, it may be useful to have one fairly powerful embedded computer (which may act as Raspberry Pi), which can communicate with many sensors located in different places, controlled by simple microcontrollers of the Arduino family. ![]()
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