Kent Frankovich is a mechanical engineer at Stanford University and the University of Texas. One day riding a bike from school, he suddenly wondered why his bicycle headlight was so far away from the ground that he could barely illuminate the road ahead of him and he couldn't get the driver to notice himself. So from last October, he and two helpers transformed the LED lights mounted on wheels.
Revolights punches the aluminum ring of the wheel and installs a row of LED lights. When the wheel rotates, the LED emits an arc of light, the white light in front illuminates the road in front of the bicycle, and the red light behind reminds the attention of passing vehicles. The position of the light is the position of the wheel, and the driver can easily determine the distance of the bicycle. This is difficult to achieve with existing bicycle lighting equipment.
Now that Revolight is powered by a lithium battery, Frankovich and others hope to develop a new version of the energy function that uses wheel rotation.
Micro Data Line is a portable version of the Data Line 2.0 standard. The Micro data cable has a smaller interface than the Mini data cable used in some mobile phones, and is the next generation of Mini data cable specifications. This data line supports OTG and is 5PIN like MINI data line. Micro-usb supports OTG and, like Mini-USB, is also 5PIN. The definition of Micro series includes Micro-B series slots for standard equipment; Micro-ab slots for OTG devices; Micro-a and micro-B plugs, and cables. The Micro series is unique in that they include a stainless steel case that can be inserted and removed for 10,000 times. Compared with the Usb Cable Type C, the Type-C interface is plugable, but the Micro USB interface is not.
Micro-usb connectors are smaller and space-saving than standard USB and Mini-USB connectors, with up to 10,000 plug and remove life and strength, and a blind plug structure design. The Micro-USB standard supports the OTG functionality of current USB, that is, in the absence of a host computer (for example, a personal computer). Data can be transferred directly between portable devices, compatible with USB1.1 (low speed: 1.5Mb/s, full speed: 12Mb/s) and USB 2.0(high speed: 60Mb/s). Provides data transmission and charging at the same time, especially suitable for high-speed (HS) or higher data transmission, is the best choice for connecting small devices (such as mobile phones, PDAs, digital cameras, digital camcorders and portable digital players, etc).
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