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(The SJW converged website, vimeo, deleted all my project videos. I will update the links to the videos some time in 2021).
 
=== [[MPPT Solar and Wind Power Boost Charge Controller]] ===
 
=== [[MPPT Solar and Wind Power Boost Charge Controller]] ===
 
This is an analogue computer with a digital option. It is an elegant, unique idea for MPPT. I have some documentation videos and circuit inside the link. The circuit works but I never used it much because my wind turbine project stalled. I am back: April 2016.
 
This is an analogue computer with a digital option. It is an elegant, unique idea for MPPT. I have some documentation videos and circuit inside the link. The circuit works but I never used it much because my wind turbine project stalled. I am back: April 2016.
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=== [[Fridge Defrost Timer with Solar Trigger Option]] ===
 
=== [[Fridge Defrost Timer with Solar Trigger Option]] ===
The [https://vimeo.com/spinningwindmillfredhi project video] shows a fridge timer which can be set to trigger during high battery voltage sunny days so the defrost cycle never uses valuable battery power. It is switchable to act like a regular defrost timer for long cloudy stretches of time, like winter.
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The [https://vimeo.com/177809415 project video] shows a fridge timer which can be set to trigger during high battery voltage sunny days so the defrost cycle never uses valuable battery power. It is switchable to act like a regular defrost timer for long cloudy stretches of time, like winter.
  
 
=== [[Solar panel rotator motor power with auto-shut-off]] ===
 
=== [[Solar panel rotator motor power with auto-shut-off]] ===
The [https://vimeo.com/spinningwindmillfredhi project video] shows a way to power solar panel rotator motors from a solar panel, supplemented by a walladapter.
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The [https://vimeo.com/48903056 project video] shows a way to power solar panel rotator motors from a solar panel, supplemented by a walladapter.
  
 
=== [[Odroid XU4 Weeding Spraying Robot]] ===
 
=== [[Odroid XU4 Weeding Spraying Robot]] ===
The [https://vimeo.com/spinningwindmillfredhi project video] shows the completed robot spraying weeds. I proved the prototype works, although it is impracticably slow.
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The [https://vimeo.com/239274466 project video] shows the completed robot spraying weeds. I proved the prototype works, although it is impracticably slow.
  
 
=== [[Dandelion Flower Weed Wand]] ===
 
=== [[Dandelion Flower Weed Wand]] ===

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