2024_11_tme

Converting Calculator to Stopwatch (CB5095E)

Details
Written by: Newton C. Braga

 

     This circuit is connected to the sum key of a common calculator. Adjusted to produce a pulse per second the result will be incremented on the calculator display. The circuit must be powered with voltages from 5 to 12 V.

 


 

 

 

 

  

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Datasheets


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