solar ⋅ avrlcd ⋅ lstripe ⋅ joule
IntroductionThis small (4.5" x 7.0") solar panel is available from SparkFun for $35.
Power CurveThis was measured rather imprecisely with an AVR and an NPN power transistor. This was done under a 150W halogen desk lamp -- *not* sunlight. In real light it will produce a lot more power.