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BME280 breakout board, I²C version (160109-91)

BME280 breakout board, I²C version (160109-91)

This BoB is used in the project RGB-Digit Clock (160100-91) available as a semi-kit (PCB with SMD parts mounted)

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Break-out Board (BoB) for the Bosch Sensortec BME280 combined temperature, humidity and pressure sensor, preconfigured for I²C.
This BoB is used in the project RGB-Digit Clock (160100-91) available as semi-kit (PCB with SMD parts mounted, through hole parts come with the module)

I2C address setting

On our preassembled BME280 board the address is set to 0x76, whereas the RGB-Digit Clock expects the sensor at address 0x77.
To change this, desolder 0 Ω resistor R4 and solder it back at position R5.

Alternatively, if you are planning to change the firmware of the clock or (re)program the ESP8266 module yourself and/or don't want to change the hardware of the sensor module, you can change the address in source file "Adafruit_BME280.h" in the following line:

#define BME280_ADDRESS (0x77)

Of course you must edit this line and change the address to 0x76.

Artikel-Nr. 17954
Hersteller Elektor Labs
EPS-Nr. 160109-91

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