Discussing Pull-Up and Pull-Down Resistors for MCU I/O Ports

Discussing Pull-Up and Pull-Down Resistors for MCU I/O Ports

When developing applications using MCUs, I/O ports are among the most commonly used peripheral functions, often considered the simplest functionality, merely representing the H/L state of input pins or controlling the H/L output of pins. However, due to differences in MCUs or the construction of I/O ports, it is still important to pay attention to … Read more

Testing Short Circuit Current of STM32 Microcontroller I/O Ports

Testing Short Circuit Current of STM32 Microcontroller I/O Ports

1. Introduction   This is the test circuit board made for the STM32 microcontroller. The main purpose is to verify whether the software development tools are functioning normally in the newly installed computer. The microcontroller software can now be downloaded via probe clips. Below, using this test circuit board, we will perform a hazardous measurement. We … Read more