I have a question. When charging, the power level will jump when it is more than 90%. When discharging, the power level will remain at 7% for more than ten minutes, then directly change to 3%, and the...
The clock oscillator circuit is used to generate the clock signal required for the normal operation of the microcontroller. The 51 series microcontroller can use two types of clock oscillator circuits...
In the past, when updating the pyboard (STM32) firmware, ST's Dfuse software was usually used under Windows. However, Dfuse software is no longer updated and can only be run under Windows system, whic...
Author: Betty Guo
Nowadays, more and more smart sensors are added to smart building automation, such as smart cat eyes, doorbells, portable cameras, and smoke sensors. These products are usually power...