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Author Topic: Strengthening digital data with ULN2803  (Read 461 times)
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intel
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« on: September 29, 2015, 07:25:34 19:25 »




Strengthening digital data with ULN2803:






Renewal of a card old and no longer working efficiently. It would be useful to someone. The top of the old circuit. The upper circuit, has been added to show the difference ULN2803.
Important note: Be careful convert to positive from negative.




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