My current problem is that after the ActiveX control is embedded in IE, it can be displayed, but the functions in the control cannot be called. The reasons are: IE prompts that unsafe controls cannot
In the control panel of WCE, you can set the brightness of the backlight, but what if I want to control the brightness of the backlight in my application? I want to set it through the registry, but I
I recently analyzed the assembly code of obm in pxa303 and found some doubts. [color=#FF6600];************************************************ ****************************************** ; Initialize t
Last year, I bought a 3530 board in 2012 but never played with it. The built-in data included an Android uboot and kernel. It can run. At that time, I could hardly find any porting information on the
[font=微软雅黑][size=3] Continue decrypting... Last time we have had a general understanding of the use of the "H-bridge" chip L9110. This time we will explain how to use this chip to control the rotation
The author built a minimum system with STC89C51 as shown below. The power supply uses the chip LM2940 to convert the 8V voltage into 5V and then power the microcontroller, and P2.7 is used to control