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jsphillips86 t1_irwwfth wrote

Reply to comment by Gwolfski in Scientists have developed a low-cost small device (15x20cm) that can harness energy from wind as gentle as a light breeze and store it as electricity. With wind at 2 m/s the device can produce 3 volts and generate power of up to 290 microwatts (sufficient to power a commercial sensor) by nimnlil

I have a smart doorbell and got tired of bringing it in and charging it for hours, then putting it back. I put a solar panel on it this week.

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