Hi
>
> I have programmed the PIC16F84A-04/P with the
> programmed attached. Initially it worked briefly,
upon
> removing power and applying again, it doesn't work
> since.
>
> I am working on a simple robot that uses two IR
> emitter-detector pairs to avoid colliding with
> obstacles in its path.
> The inputs from the IR sensors are labelled SENSOR1
&
> SENSOR2 for LHS & RHS, resp. that are at 5V if no
> obstacle is detected.
> However when an obstacle is detected, that sensor
> input goes low, thus calling the required
subroutine.
> The outputs control two H-bridges that control the 2
> motors.
> I have attached the circuit.
> I have as well included my program, which I thought
> would work.
> Can you please help me check what's wrong, so that
it
> can get working.
>
> I used MPLAB version 7.5 and Quick assembled the
> program, and burnt the HEX file using the PICSTART
> Plus programmer.
>
> Can you help me please.
>
> Thank you.
>
> Hasitha


       
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