Why does a white LED change color when the voltage is adjusted?How many volts should it be?Actually, I heard from a customer last time that there are many series, such as 3.0-3.2, 3.2-3.4, 3.4-3.6; do...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i] [:)][:)]The naming convention of Acer notebooks: Travel Mate is positioned for business applications, and generally uses ordin...
It was working fine in the morning, but it cannot download in the afternoon. What is the problem?All JTAG lines are tested and they are good, the voltage is 3.3V, and the reset pin is normal.The progr...
For the home LED clock, a low-power sleep mode chip was selected mainly to save power, but the effect of the crystal oscillator frequency on the overall current is unknown, and the parameter standards...
When I traced the USBDeviceAttach function, I found that the third parameter LPCUSB_INTERFACE UsbInterface was NULL. What is the reason? I know that UsbInterface represents the interface information o...