mcp145010 piezzo

bellad

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Hello,
on mcp145010 ( controler fire ) , I'd like to cut the piezzo and manage it with opto
do you think figure A or figure B, or neither?
thank you
 

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Connection A or B don't seem to make sense. What do you want to achieve?

To drive external output, you'll use pin 7.
 

i want confirm by temperature before start piezzo , I'm going to use pin 7 for this
if pin 7 and temprature > 50°c then on piezzo
 

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