Tuesday , November 4 2025

Recent Posts

VN42 – LCD i2c example

This video contains an example of lcd i2c with stm32cubex and keil. LCD 16×2 has i2c module (PCF8574).  You may download both the library and source code below. Notes: Pin …

Read More »

VN41 – Make a simple library

In this video, I will show you how to make a simple library while programming Stm32f4 with Keil and Stm32Cubemx. The video includes how to create .c/.h files, how to …

Read More »

#7 – Systick Interrupt?

If we have a look at stm32f4xx_hal.c, we see as “Care must be taken if HAL_Delay() is called from a peripheral ISR process, The SysTick interrupt must have higher priority …

Read More »

#5 – Stm32f4 Gpio Exti Examples

Example 1: (PA0 gpio input, pull down) The Exti runs as long as triggering thorough PA0 pin. [crayon-690a595261b97217543953/] Example 2: (PC9 GPIO_EXTI9, rising edge, pull down) In the beginning, the …

Read More »