Questions: The 5V I/O port will cause the LED to light up weakly when the high-level drive mode is used during power-on and when NRST is low.Answer: The 5V I/O of the AT32F403 has a maximum driving ca...
This article was written by FPGA enthusiast Xiao Meige. Without the author's permission, this article is only allowed to be copied and reproduced on online forums, and the original author must be indi...
ADC2 is the external ADC signal. The external environment may have radiation interference. I am afraid of overvoltage. Is it better to use a voltage regulator diode or TVS? Or is there any good circui...
## What is CMSIS? I keep seeing the word `CMSIS`, but I don't know what it is? I just searched Baidu Encyclopedia, and the results are as follows; > The `ARM Cortex` microcontroller software interface...
This is an addition circuit composed of op amps. Can this circuit be used in a single power supply? Can this circuit only work in a dual power supply?...