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by giantg2
70 days ago
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This doesn't seem right. Anyone who has been in a cattle barn knows the kind of heat that cows give off. The energy demand for the sensors should be very small. 20% efficiency for the solar cells might be true on paper, but not in practice - diet, orientation, even needing 4x the solar cells because you cant guarantee the cells will always face up (collar rotates). |
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