The electrolytic capacitor still has 300V voltage when the circuit board is powered off. Use your bad test lead to connect a 30K resistor in series. When repairing the board, just discharge the large ...
2007 2nd Shenzhen International Piezoelectric Crystal and Application Technology Exhibition Time: June 13-15, 2007Venue: Shenzhen Convention and Exhibition Center Organizer: Hong Kong International Ex...
I re-read the backlight driver and found a few questions to ask you: [b]1. [/b]pBKLinfo->hCoreDll = LoadLibrary(TEXT("coredll.dll")); if (NULL != pBKLinfo->hCoreDll) { pBKLinfo->pfnGetSystemPowerStatu...
[color=#333333][backcolor=rgb(238, 238, 238)]EDIT control data cursor selects the number in reverse and changes the current number (ucgui interface [color=#555555][backcolor=rgb(255, 255, 255)][font=A...
[color=#333333] NFC is developed on the basis of RF technology. NFC is essentially not much different from RF technology. Both are based on signal transmission between two objects with close geographi...