Blinking an LED with three resistors and a ... The capacitor charges until the LED lights. This, however, causes the capacitor to discharge, which eventually turns off the LED, and the process ...

Using only an ultra-bright white LED, red blinking LED, PNP transistor, and a diode, the circuit gives a strong visual indication of current consumption by blinking brighter and more frequently as ...

This is because a blinking modem light indicates something ... If none of the modem’s LED lights are on, there is likely no ...