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  • Dual Axis Solar Tracker With Online Energy Monitor

    Stunning! Great to see you made your earlier instructable into a real life usable solar tracker. Taking a cue from your previous instructable, I too started working on my own solar tracker. It's been around five years since I've been working on, constantly improving the design and implementation of the idea you gave in the previous instructable. While I tried replicating your initial project, I faced a lot of real-life problems, trying to convert a palm-top size model into one that's quite large (yes, my panels span across 1.6x2 meters, and weigh approximately 42 kilograms). It's further hard since finding the right stuff like linear actuators of the right size and capacity, gear boxes is pretty difficult here in India, especially when you have nothing to do with electronics and enginee...

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    Stunning! Great to see you made your earlier instructable into a real life usable solar tracker. Taking a cue from your previous instructable, I too started working on my own solar tracker. It's been around five years since I've been working on, constantly improving the design and implementation of the idea you gave in the previous instructable. While I tried replicating your initial project, I faced a lot of real-life problems, trying to convert a palm-top size model into one that's quite large (yes, my panels span across 1.6x2 meters, and weigh approximately 42 kilograms). It's further hard since finding the right stuff like linear actuators of the right size and capacity, gear boxes is pretty difficult here in India, especially when you have nothing to do with electronics and engineering in your academics.I had to integrate solar panels into my home, and gradually move over to a grid independent home that is capable of taking care of all the power needs of my home for as long as I am getting enough sun and the days are clearer and sunny. Here are a couple of pictures of my tracker in action. The panels here are Canadian Solar Polycrystalline panels, 265 watt each, coupled with a 40A MPPT charge controller, which is hooked to a 1500VA home inverter that powers part of my home's appliances. I had to make the linear actuator on my own since there was none available online with a stroke length of ~500mm or more. The ones I was getting were <320mm, and extremely expensive. So, I built one using a 500 mm threaded steel rod coupled with a DC 12-24v geared motor running at 10rpm. I chose those geared DC motors since I couldn't lay my hands on servo motors that powerful. BTW my Zenithal motor has a stall torque of 45kgs and the Azimuthal motor stalls at 106kgs, way more power than what I need currently, but necessary in order to upscale the system in future. I'm still working on this along with my brother to build something as robust to handle itself autonomously, day in and day out. We are currently working on data logging, and will be gradually putting it up online to monitor and control the system remotely.Thanks for creating that first instructable which helped me with the idea.

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  • CyberKID commented on robotkid249's instructable Wireless Power1 year ago
    Wireless Power

    I guess this is how a transformer works. Good instructable, BTW. Worth giving a try.

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