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Results tagged with Search options user 173277

An LED is a light-emitting diode. Lighting an LED is considered the "Hello world" of a circuit design, and it can be as simple as putting a series resistor or can get more complicated, involving PWM and multiplexing.

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I wired up a latching hall effect sensor to an LED. My power source is a stack of three 1.5v coin cell batteries. Sensor was working just last night and then all of a sudden I tried it again this … the battery and it was showing only 2.5V.. Reason why I am a little confused is because last night I tested it by hooking it up to a very small low power LED which couldn’t have pulled that much power out of the battery... …
asked Feb 23 '18 by Vbs
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votes
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I originally thought that I could use any type of thin wire, but after some research, it seems that different voltages and milliamps require different size wire. Am I correct with this? My question …
asked Dec 30 '17 by Vbs
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I have a Cree LuxDrive LED powered by a 3.7V 750mAh LiPo Battery hooked up in a circuit with a latching switch. For some reason every time I turned it on, the driver gets really hot and almost …
asked Feb 17 '18 by Vbs