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Combining CMOS and TTL with drivers and Leds with relay driver
I need some practical advice on how to combine different component types.
I designed a circuit with at the heart an up/down counter (74f269) The outputs of the counter are connect to via 330 ohm ...
- 21
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How do I connect a 555 timer to a CMOS Input?
I designed the following circuit, using a 555 timer, to supply a single trigger pulse with the same width to digital circuits, no matter how long the button is pressed. The actual pulse output works ...
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