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556 Timer Operation - YouTube
556 Timer Light Theremin – Simple DIY Electronic Music Projects
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555 and 556 Timer Circuits
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Long Duration Timer Circuit
555 - How can I prevent a 556 timer IC from becoming very hot? - Electrical Engineering Stack Exchange
Paul Rickards on X: "The 556 timer IC is the basis for the long board #c64 reset circuit (along with a capacitor that checked out ok). I removed the old 556 and
