Except for the virtual machine, everything else was turned off. Except for antivirus software, etc. The CPU consumption was about 30%, and the memory was about 50%. However, it was still very stuck. L...
Control the indicator lights on the K66 core board to flash at different frequencies.The microcontroller source program is as follows:#include "include.h"int main(void)
{DisableInterrupts;PLL_Init(PLL...
Main items of EMC testing for portable battery power productsMain EMC testing items:Surge immunityConducted disturbance immunityVoltage dropRing waveHarmonic and intermediate harmonic testDC dropHarmo...
[font=新宋体][size=3]For a speaker that is wound with a coil inside, the current flowing through the coil usually changes, causing the coil to stretch and deform, thereby driving the membrane to produce ...
In many electronic circuits, in order to reduce the impact of the subsequent circuit on the previous circuit and when the output of some previous circuits requires a stronger load-carrying capacity (t...