![microcontroller - Trying to understand push-pull output mode and open-drain output mode in a MCU's GPIO pin - Electrical Engineering Stack Exchange microcontroller - Trying to understand push-pull output mode and open-drain output mode in a MCU's GPIO pin - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/qF1fC.png)
microcontroller - Trying to understand push-pull output mode and open-drain output mode in a MCU's GPIO pin - Electrical Engineering Stack Exchange
![microcontroller - STM32 clamping diodes - what is the maximum input voltage? - Electrical Engineering Stack Exchange microcontroller - STM32 clamping diodes - what is the maximum input voltage? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/hzc5I.png)
microcontroller - STM32 clamping diodes - what is the maximum input voltage? - Electrical Engineering Stack Exchange
![microcontroller - STM32 Unexpected reset when a GPIO pin gets HIGH - Electrical Engineering Stack Exchange microcontroller - STM32 Unexpected reset when a GPIO pin gets HIGH - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/VYE1H.jpg)