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0.5$ A/D Convertor for uControllers

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aNdreiBuuu

aNdreiBuuu

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best,
//a

Uploaded file: **broken link removed**
 
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aNdreiBuuu

aNdreiBuuu

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sorry ... some explanations...
short high to low pulse from microcontroller means stare conversion...
and the width of out signal (PWM) is proportional with VBatt...

:smile: :smile: :smile:
//a
 

aNdreiBuuu

aNdreiBuuu

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sorry again... VBatt must be above 2.5V ...
:smile:
//a
 

aNdreiBuuu

aNdreiBuuu

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kal the file is there... :smile:
//a
and some improuvements:
1. Replace R2 with a LM385-2.5 reference circuit
2. if U replace R1 and R3 with a voltage/current convertor U optain a better liniarity...
//a
 

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