Looking for a mains switch inthe dark is easier if the switchcontains a built-in neon or filamentminiature lamp. Adding a small indicatorto any mains switch is helpful. It iseven better if the ...
The purpose of building this circuit is to create a LED flasher with alternating sequence from the two LEDs where the operation is based on the functionalities of a 555 timer integrated circuit. 555 – ...
These days, if you want to flash some LEDs, you’d probably grab a microcontroller. Maybe you’d go a little more old-school, and grab a 555. However, [Jacob] is even more hardcore than that, as ...
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