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    Use 555 to switch led off for 8 hour delay?

    I'm trying to learn about different electronic timers for a project I have (and learn about electronics in general). I want to run a low-power LED lamp (~3V, 250 mA) that is always on, except that it shuts off every night for 10 or 12 hours (user adjustable). Q1: Can the 555 timer do delays...