AQA GCSE Electronic Products Watch

James2021
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#21
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#21
(Original post by JustAnotherDude)
Voltage regulator regulates the volatage from 9V to 5V because a PIC micro-controller can only work at 5V

Darlington array is used to anplify the low signals from the microcontroller to high signals when reaching the buzzer
Oh i only put what each component did not as to why in the circuit -.-
I've failed this exam so hard haha
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