Suggested ReadingĬonnection of the BME280 uses some basic concepts shared by a lot of our products. If you use a 3.3V-based micro - like the Arduino Pro 3.3V or 3.3V Pro Mini - there is no need for level shifting. But if you want to use SPI, you may need a Logic Level Converter. As long as your Arduino has a 3.3V supply output, and you're OK with using I 2C, you shouldn't need any extra level shifting. The BME280 is a 3.3V device! Supplying voltages greater than ~3.6V can permanently damage the IC. Logic Level Converter - To shift SPI levels from 5v to 3.3v.M/M Jumper Wires - To connect between Arduino and breadboard.Breadboard - Any size (even mini) should do. Something to connect between the breakout and a breadboard.
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