Nowadays, single-color and multi-color flashing LEDs are easily available, which obviates the requirement of external chips to produce fascinating lighting effects ...
The flashing LED has to be one of the most loved, iconic, features when it comes to using a BlackBerry. It's been around for years and I would imagine that most BlackBerry users would feel lost ...
This is a simple flashing led circuit with 2 leds and 2 NPN transistors. It illustrates the behavior of transistors and capacitors and if you use an oscilloscope it will be very easy to determine what ...
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