Tagged Questions
8
votes
3answers
2k views
Recommendation for default settings for unused pins on an STM32 (ARM Cortex M3) - pull up/pull down?
We are currently using various variants of the STM32 microcontroller family. I would like to know the following:
1) What are the recommended default settings for pins of the microcontrollers in ...
13
votes
2answers
431 views
Heuristic explanation of the usage of a pull-up (or pull-down) resistor needed
First, I acknowledge that there are several questions regarding this topic in the forum, however, the answers assume too much background knowledge of electronics to be of use to a true beginner (like ...
6
votes
4answers
923 views
Why are pull up resistors more common than pull down resistors?
I noticed that pull up resistors are much more common than pull downs, why?
For example, the Arduino's MCU has internal pull ups but these tend to invert the physical logic of things you are working ...
