The 555 circuit below is a flashing bicycle light powered with four C,D or AA cells (6 volts). Two sets of 20 LEDs will alternately flash at approximately 4.7 cycles per second using RC values shown ...
Recently I was able to build a version of a tiny microcontroller-based LED strobe light for RC airplanes. The build is not very advanced, but it is almost a complete kit. Let’s start with the easy ...
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