I use the following method to control the ultrasonic generator to send ultrasonic waves
On the left are two complementary outputs, a 50% duty cycle, and a 40KHz square wave frequency.
In the middle is...
Recently, during the Boao Forum for Asia in Hainan, Lou Qinjian, Vice Minister of the Ministry of Information Industry, gave a clear answer to the question of "when will 3G licenses be issued" and sai...
Component detection is a basic skill in home appliance maintenance. How to accurately and effectively detect the relevant parameters of components and determine whether the components are normal is no...
I would like to ask the moderator, for the helper2416 development board, the driver fails to create a device node by calling class_create. Is it because the root file system does not support the udev ...
[align=left] [/align] [align=left] [/align][align=left]Intuitive approach 1: [/align][align=left]Analysis of the picture, the pad is to be made without copper holes, but the pad is needed. [/align][al...
With the development of low-power and mobile personal wireless communication and the improvement of CMOS process performance, it is not only necessary but also possible to use CMOS process to realize ...