4/9/2024 0 Comments Labview arduino i2c exampleThe diagrams below show the I2C pins of Arduino marked with different colour rectangles. If we want to change the GPIO pins we have to set them in code. The I2C pins stated above are set in default. We should connect the VCC terminal of BME280 with 3.3V of Arduino, ground with the ground (common ground), SCL of the sensor with SCL pin (A5) of Arduino, and SDA of the sensor with the SDA pin (A4) of the Arduino. The connection of BME280 with the ESP boards is very easy. Connecting BME280 with Arduino UNO and microSD card The Arduino communicates with the BME280 sensor through the I2C protocol to get temperature, barometric pressure, and relative humidity and altitude. ![]() With BME280, the Arduino acts as a master, and the BME280 sensor as a slave because it is an external device, acts as a slave. I2C means Inter-Integrated Circuit and works on the principle of the synchronous, multi-master multi-slave system. Although there are several different versions of BME280 available in the market, the one we will be studying uses the I2C communication protocol. ![]() This sensor uses I2C or SPI to communicate data with the micro-controllers. It is mostly used in web and mobile applications where low power consumption is key. The BME280 sensor is used to measure readings regarding ambient temperature, barometric pressure, and relative humidity. Setting up Arduino IDE for BME280 data logging to microSD card (Installing libraries, Arduino sketch and demonstration). ![]() Introduction to BME280 sensor and its connection with the Arduino UNO and the microSD card module.
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