beaglebone black power

Use the miniUSB line to link the board and the computer, and then under "My Computer" there will be a beaglebone getting started disk, under this directory found a folder named "Drivers", Under this folder to find the corresponding operating system of the program, installation. If there is a prompt to trust the manufacturer's driver of a kind of prompt box, all choose Trust (do not trust the words can not play ....) ) until the prompt driver installat

Flash (string delayms);virtual void outputstate ();Virtual ~led ();};led::led (int number) {This->number = number;Ostringstream s;s Path = string (S.str ());}void led::writeled (string filename, string value) {Ofstream FS;Fs.open ((path+filename). C_STR ());FS Fs.close ();}void Led::removetrigger () {Writeled ("/trigger", "none");}void Led::turnon () {cout Removetrigger ();Writeled ("/brightness", "1");}void Led::turnoff () {cout Writeled ("/brightness", "0");}void Led::flash (String delayms =

who have to do rookie, rookie not scary, afraid of is no one to guide the direction of progress! This series of articles will describe the basic use of each function module of BBB. There are too few BBB data in Chinese now, they are collected from all corners of the internet in the world, learned, personally tested experience summary. To share with you, I hope everyone (especially beginners) in the BBB to get started on the road to some smooth!I will be here to update the list of articles at any

don't add this resistor. When connecting, of course, all power is turned off. On the relay control side, the 3.3v,gnd of the BBB is connected to the gnd,in signal of the BBB to connect the BBB p9_13 (GPIO number 31). Note, however, that the circuit connection on the other side of the relay must be followed by the manufacturer's instructions. In general, the middle of the relay is connected to the FireWire (positive), the other two ports are normally

Host power supply problems after how to overhaul it? The simplest test host power is good or bad operation is a short connection to the motherboard power supply to the main board of the interface of the Green Line and any one black lines, see whether the power supply fan ro

Black and white, in the PPT layout design is a strange combination. Far from the intricacies of the fancy, but always classic, even if the lack of numerous dazzling decoration, still the most. This is the power of black and white in ppt layout design. Simple and capable enough to laugh at the wind and cloud in the cycle of fashion. Remember as a child, color TV

Computer malfunction: Computer Configuration: abit 865PE motherboard, P4 2.4CCPU, two Kingston 256M DDR400 memory, Dylan constant into X700 video card, 250W power supply. In recent weeks, frequent video card failure, in the normal operation of a sudden black screen, and then the boot BIOS has a long two short sound alarm, indicating that the video card failure. Sometimes boot hard drive light, CPU fan turn,

[Black Gold power community] [bf531 experience board tutorial] Chapter 1 bf531 introduction (1) [Black Gold power community] [bf531 experience board tutorial] Chapter 2 ms531 introduction (II) [Black Gold power community] [531 e

1, right-click on the desktop, select the screen resolution, choose the senior settings. This is the brush frequency of the computer. Set the two to be uniformly 60HZ or 50HZ; 2, adjust the power supply refresh rate; 3, find the lower right corner power, with the right mouse click, select the Power options; 3, find the Change advanced

Today's computer (desktop) in the process of using a sudden into the power-saving mode (black screen, on-screen power-saving mode four characters flying), I am very frightened, shaking the mouse, tapping the keyboard, and nothing to use. All right, start the reboot and try it, and that's good enough. But it didn't take long for the same situation to happen. OK, t

Failure phenomenon: IdeaPad Y400 Y500 installation of Windows XP, there will be a blue screen error 0x000000a5 error, or the installation process of black screen, power outages and other issues, installation of Windows 7, Windows 8 normal. Reason Analysis: You need to press F7 to turn off the ACPI features of XP during Setup. Because XP is older, XP ACPI does not support some special features in the BIOS