Jeethu Rao wrote:
>Dan,
>
>I guess you did'nt quite understand Miles' plans.
>I guess, he wants to control the brightness of the Headlight with PWM.
>And if that is the case  I suggest that Miles can go for an even
>higher frequency. May be a couple of Khz. Since as a rule, the Higher
>the frequency, the greater the efficency.
>

Jeethu, I think he wants to modulate it at 4 hz [240 cpm],
which is a rate the human eye can perceive. He can either
turn it on and off completely at this rate, which might
shorten the life of the lamp, or modulate a high frequency
PWM at 4 hz, as you suggest, to control intensity.

- dan
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