c language for mq3 sensor in stm32f446re

Does anyone know how to initialize mq3 alcohol sensor in keil software using c language? To also know how many percentage (range) of the presence of alcohol from someone's breath to be as input? Please...
EXTI interrupt handler not trigger for stm32f446re

Hi, i'm newbie , i want to know why my code doesn't work , my coding is about external interrupt is not trigger EXTIx_IRQHandler not trigger for coding in the uvision5 , but the same code i'm done...
c language for mq3 sensor in stm32f446re

Does anyone know how to initialize mq3 alcohol sensor in keil software using c language? To also know how many percentage (range) of the presence of alcohol from someone's breath to be as input? Please...
EXTI interrupt handler not trigger for stm32f446re

Hi, i'm newbie , i want to know why my code doesn't work , my coding is about external interrupt is not trigger EXTIx_IRQHandler not trigger for coding in the uvision5 , but the same code i'm done...
STM32 + SPI FLASH for programm code

Hello, I using STM32F103RB with attached SPI FLASH (M25P16). I need download Programm code into SPI FASH. There are Flash Algorithm in Keil for using external FLASH for download Programm Code. I already...