Light sensor on XO-1.75
richard at laptop.org
Mon Aug 29 19:38:20 EDT 2011
On Mon, Aug 29, 2011 at 1:06 PM, Bert Freudenberg <bert at freudenbergs.de> wrote:
> On 17.08.2011, at 17:24, Martin Langhoff wrote:
>> Saadia Baloch (4):
>> Driver to read Outdoor Light Sensor from EC on OLPC.
> So this is exposed at
> And it seems to sit "behind" the blinking left-most LED? And the blink rate is proportional to the light sensed? Why?
Its proportional because that's how the sensor works. The amount of
light changes the time to bleed off the charge stored in the diode
when you reverse bias it.
Richard A. Smith
One Laptop per Child
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