I made a board of AD9854 by myself. After powering on, the linear power supply has 110MA, but the registers have no operation! There is also a 20M system crystal oscillator, and the UD pin is only 153...
I have a project that requires talents who are familiar with the principles of fire alarms, gas alarms, and gas detection instruments. If you have any, please contact me. My MSN: sjm428124@msn.com...
This is the information I found when I was trying to read data from the SD card. I downloaded it from the Zhennan forum and debugged it. It is best to use a 32M crystal oscillator. A 12M crystal oscil...
We know that many microcontrollers now have some pins with a second function, that is, the microcontroller pins are multiplexed. Now some microcontroller pins not only have a second function, but some...
Click to get"PCB Design Cheats"When it comes to PCB printed circuit boards, people both "love" and "hate" it. What people love is its ability to simplify circuit design, improve work efficiency, and r...
[i=s] This post was last edited by emmnn on 2022-7-11 16:36 [/i] **Table of Contents** [TOCM] # Preface After introducing the RTOS porting, today I will introduce the development and function demonstr...