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Is there such a thing as a morse code ic timer chip or is the only way cascading 555's or something complicated like that. Eproms and machine code is ok if that's what it takes if its cheap and easy for my pc.
Only need maybe 3/4 pulses timed.
EDIT: want to modify my intercom into a system where you press the buzzer in way that let's me in with a simple code square wavish over time.
Only need maybe 3/4 pulses timed.
EDIT: want to modify my intercom into a system where you press the buzzer in way that let's me in with a simple code square wavish over time.
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