David Van Horn wrote:

>>Surely you are braking when the brakelight is turned on, which you can
>>detect, since you are attached to the brakelight - or am I totally out
>>to lunch?
>>    
>>
>
>I understood that he wanted something proportional to the amount of
>braking being applied.
>
>
>
>
>  
>
No, he asked how to distinguish braking from going downhill.  If the 
brake pedal is pushed, then braking is occurring and the brake-light 
comes on.  I am assuming that he wants to install a 'smart-bulb' at the 
brake-light, so am assuming that the braking signal is present. 
David


-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist