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about HAL_UART_Transmit when Paired device is gone

I am making L031K6 mcu sensor. This sensor regulary sense some adc data then send the data to Android device by BLE.and I am using HAL_UART_Transmit() for sending message to android by BLE.but when android is missing, my MCU runs bad. so I guess HAL_...

DU2 by Associate II
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Dear All ,I used the STM32L4 series controller in that I want to write one string in Non-Erasable memory location, also I want to change it using programming. that is changing of string will be done by my program and stored location will be Non-Erasable

Wants to stored that string in non-erasable memory location . when I off the power supply it should be present .also I want to change that string at running the programI have search on netAny help will be highly appreciated.

STAR by Associate II
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Reading AT command response

Hi, I would like to read AT Command responses back from my ESP2866, as I want to check whether the response is "OK" or "Error". I made a function as below but it doesn't work properly.The plan is to send AT commands on USART3 and right after that, re...

IDavo.1 by Associate II
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I2C2 stuck in timeout on STM32L4S9

HW situation is:I2C2_SCL on PB10 (pin L4)I2C2_SDA on PB11 (pin M4)Both have a pull-up resistor of 18K.The sensor attached to these lines is removed, so nothing is connected.This is not a dev-board but our own design.I have generated code through STMc...

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RZ by Associate II
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