Just getting back into electronics. I would like to create a circuit that can be programmed to control the state of a light bulb / relay - e.g., on for 2 seconds, off for 12 seconds, on for 5 seconds, off for 1 second, etc.

Don't really know where to start with this particular project, so not even sure what to search for.

Hoping someone might be able to push me in the right direction.

  • \$\begingroup\$ How accurate can the timing be? What about using 16 timeslots which define the boundaries over a 20 second period? \$\endgroup\$
    – Andy aka
    Jan 3, 2020 at 14:05
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    \$\begingroup\$ Does this answer your question? 555 Timer delay vs. Delay IC \$\endgroup\$ Jan 3, 2020 at 14:06
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    \$\begingroup\$ Things like this are done best with a micro-controller. Anything else will be more complicated (at least electronically).For a relative noob, an Arduino might be a good choice. \$\endgroup\$ Jan 3, 2020 at 15:11
  • \$\begingroup\$ Thanks for the replies. Arduino looks perfect. \$\endgroup\$ Jan 13, 2020 at 10:37


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