about temperature sensor and i2c communication

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i am working in a project on stm32u5a9j-dk board. i am fetching temperature value from inbuilt temperature sensor using ADC channel. I am getting the value in 4 digit int. i want to know to know how to transfer that value into *celcius. And one more thing how to implement this thing using i2c.

STM32U5 series

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mƎALLEmBest answer

ST Technical Moderator

Hello,

If I understand well your question, you need to use the built-in temperature sensor of the MCU then you need to send the value over an I2C bus, right?

If yes, first read the reference manual from this link:

Then, for the I2C communication you can refer to any I2C example provided in the Cube HAL package either if it was available on your target MCU package or inspire from any other I2C example available from other CubeHaL package example: https://github.com/STMicroelectronics/STM32CubeF4/tree/master/Projects/STM32F411E-Discovery/Examples/I2C

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Andrew Neil

Super User

The datasheet will tell you how to convert the value from the sensor into Celsius.

@eyeamskd wrote:
how to implement this thing using i2c.

Not sure what you mean by that?

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.