, the drivers in the system32 of the C drive also have the usbser.sys, I specify the drivers directory of IAR V5.4 but still can't install it, is there something wrong with my file? The system is 32-b
Headhunting position [Guangzhou] Job responsibilities: 1. Responsible for the development and maintenance of embedded hardware and software platforms (PowerPC/ARM); 2. Responsible for the development
[size=4] Radio frequency (RF) PCB design has many uncertainties in the currently published theories and is often described as a "black art". Generally speaking, for circuits below the microwave freque
[i=s]This post was last edited by woshlj2008 on 2014-8-19 13:43[/i] I looked at the circuit that uses an 18V battery to power a 12V-24V product, and found that the wiring of the two transistors when t
There is a project that requires using DTMF to transmit a long string of characters on a public telephone network. I would like to ask if anyone who has done DTMF transmission can tell me what the tra
[backcolor=rgb(222, 240, 251)]The circuit uses LCD backlight driver chip MM3302DJ, 5V power supply, LCD_BL has a wire flying. [/backcolor] [backcolor=rgb(222, 240, 251)]EN3.18V, but FB voltage does no