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Using the ADC0808 with an 8051 µC

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AbsarShah

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Hi.

I've been trying to use the ADC 0808 with a 8051 microcontroller, to build a robot. Now the problem is that the ADC only gives me the digital output only ONCE, when I switch on the circuit. It SHOULD be continuously giving me values, but it just gives me a value at startup.

Can you help me out!?

Thanks in advance.
 

if you want the ADC to make continous conversion, you should tie the EOC (end of conversion) pin to the SC (Start conversion) pin of the ADC otherwise you should give the SC signal every time from your microcontroller. However, the SC signal must be provided for the first time only.

Good luck
 

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