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MSP430 takes care of chicken coop door

Those who have chicken know that there are some routine tasks that need to be done when taking care of them. One of them is opening coop door early in the morning and closing it in late eve. Christian automated this process so door would open when sun rises. This releases from getting early and opening it. You know how sweet sleep can be sometimes…

Solar-powered automated chicken coop door opening in the morning from Christian Wolpert on Vimeo.

The system is controlled by MSP430 microcontroller which is powered from 2.1W solar panel. Of course motor activator needs more power, so it has an accumulator that is used when activator is engaged. During day time accumulator is charging from same solar panel. Sunrise is detected with simple photovoltaic detector. This is great autonomic and efficient system that is once set and forget.

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