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update readme to include compatible driver version #1

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update readme to include compatible driver version #1

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3 changes: 3 additions & 0 deletions README.rst
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Expand Up @@ -9,6 +9,8 @@ About

This sample code implement procedures to read values from BME280 sensor (pressure, temperature, humidity) via ESP-IDF's I2C master driver. It supports both normal mode and forced mode described in `Bosch's BME280 datasheet`_, Section 3.3 Sensor modes, Page 12.

This code is not compatible with the newest Bosch driver version. The last version that works correctly is v2.0.5, commit cf40d00_.

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For local setup
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Expand All @@ -20,3 +22,4 @@ Don't forget to connect SDO to Vio too. It maps device address to 0x77 (not 0x76
.. _main.c: https://github.com/yanbe/bme280-esp-idf-i2c/blob/master/main/main.c
.. _ESP32 datasheet: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf
.. _Bosch's BME280 datasheet: https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME280_DS001-11.pdf
.. _cf40d00: https://github.com/BoschSensortec/BME280_driver/tree/cf40d00b0b5139e287b670881c433c0041d98d9f