Questions tagged [device]

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General dimensions and recommendations for a USB dongle

I'm trying to create a device that connects via USB and sits in a users computers USB socket at all times, and I'm unsure of what the general dimension requirements will be. Ideally, this device ...
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0answers
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Simultaneous transmission of a D2D user

Can a D2D user (a device) transmit simultaneous different signals to a cellular user and a D2D receiver. If we suppose that the D2D device is equipped with SDR technology and can change their ...
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votes
1answer
36 views

Connector identification (multipin connector for automotive touchscreen)

This connector is from a device connected to the touch screen in the car. This device is chinese, so I'm having trouble locating information about any part number or name. The connector has 4 wires ...
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2answers
88 views

How can i record the rpm of a small spinning object with out the use of a hand held tool such as a laser.

How do I measure the revolutions of a moving object as it rotates around. Imagine a fan blade, I need to measure the rpm of the fan without using an outside tool such as a laser rpm reader. Ideally ...