As shown in the figure, what is the role and principle of adding a ground via hole near the via hole of the routing? The vias of the PCB board can be classified into the following types according to t...
Generating PWM Waves Using Timers
PWM stands for Pulse Width Modulation. By controlling the duty cycle of high-frequency signals, the eye acts as a low-pass filter to control brightness. By changing t...
I want to debug the LIS25BA sensor. I don't have a level conversion chip, so I want to change the NUCLEO to 1.8V power supply.
For debugging convenience, I first changed the 3.3V LDO of ST-LINK to 1.8...
[i=s]This post was last edited by emmnn on 2022-7-7 11:16[/i] [TOCM] # Preface After running the official DEMO project, you can consider porting the OS. I happened to see the application notes of RT-T...
I have been using the earphones for just over a year, but the right earphone has a problem. Sometimes it is silent, but sometimes it makes sound when I shake it. The problem happens frequently. Maybe ...