Simple software to scan an I2C bus and report devices found. Run this code on your Arduino IDE with a microcontroller connected to any I2C devices. The software checks every I2C address from 0 to 127 and reports any devices found. The I2C addresses used by a number of devices are recognised. Where the same address is used by several different devices, the possible devices are listed. If it finds a BMP280 or BME280 it reports which of these the device is by reading its identification code.
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Simple software to scan an I2C bus and report devices found
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