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USB devices circuit diagrams
September 27, 2010
We've called it the Itsy Bitsy USB Lamp. It is such a delightfully simple idea we're wondering why no-one ever thought of it before. It started life (and continues) as a student project at Massey... [more]
circuit from:http://www.extremecircuits.net/2010/03/itsy-bitsy-usb-lamp.html
September 27, 2010
Life in the 21st century would be almost unbearable without some of the computer peripherals that PC users now look on as essentials - take for example the USB powered teacup warmer; this device is... [more]
circuit from:http://www.extremecircuits.net/2010/05/usb-fuse.html
September 27, 2010
When turning a computer on and off, various peripherals (such as printers, screen, scanner, etc.) often have to be turned on and off as well. By using the 5-V supply voltage from the USB interface... [more]
circuit from:http://www.extremecircuits.net/2010/05/usb-operated-home-appliances.html
September 27, 2010
In fact, the device is powered from two USB ports, since one port is incapable of supplying sufficient current. That’s done using a special USB cable that’s supplied with the drive. It has two connectors... [more]
September 27, 2010
This simple device allows two computers to share a single USB printer or some other USB device, such as an external flash drive, memory card reader or scanner. A rotary switch selects the PC that... [more]
September 27, 2010
This circuit switches a printer’s USB connection from a PC to a laptop. What was needed was a method of allowing a laptop to use the printer occasionally while at all other times the printer... [more]
circuit from:http://www.extremecircuits.net/2010/05/usb-switch-for-printers.html
September 27, 2010
Today, almost all computers contain logic blocks for implementing a USB port. A USB port, in practice, is capable of delivering more than 100 mA of continuous current at 5V to the peripherals that are... [more]
circuit from:http://www.extremecircuits.net/2010/05/usb-power-socket-with-indicator.html
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