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Solar Powered Traffic Signals
- Thread starter smk72
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It is possible and has been done, although I've only seen temporary traffic signals for traffic management run this way. The devil seems to be in the number of batteries you have as back-up/on trickle charge, and the sizing of the panel(s). The calculations I've come across seem to suggest very high figures for 'loss' through the system. In addition, LEDs would seem the best option for the lights themselves due to the low voltage required.
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