Solar Tracker Circuit Kit from MTM Scientific, Inc
The SOLAR TRACKER 2 CIRCUIT KIT (Catalog #ST2) from MTM Scientific contains all the electrical parts you need to build a circuit which will automatically find and follow the sun across the sky. This tracker circuit finds the sun at dawn, follows the sun during the day, and resets for the next day. This kit is perfect for driving a single axis solar tracker with a 12 VDC gear motor that you provide. The kit includes 2 photocells, an IC comparator, resistors, diodes, 2 limit switches, 2 relays, terminal connectors and a 16 page booklet. A printed circuit board is also included with the kit, which makes it easy to assemble and test the circuit quickly. The tracker circuit is powered by the same 12 VDC that drives your motor. Single axis solar tracking is great for projects such as solar optical concentrators, solar ovens, fresnel lenses, and solar electric photovoltaic panels. The instructions explain how the circuit works, how single axis sun tracking works and how to select a DC gearhead motor. This kit is perfect for the person that wants a quick start on building a single axis solar tracker. NEW FEATURES of ST2: This updated solar tracker design includes many new and useful features suggested by our customers during the last 3 years. This circuit has automatic reset to the East at sunset to capture first light the next morning. Another useful feature is the simplified wiring connections, which are all made using screw type wire terminals. The circuit board has been redesigned to fit inside a standard outdoor junction box. In addition, the ST2 allows using a motor power supply other than 12 VDC, for example a 24 VDC linear actuator. Please note that this is a kit which requires assembly and soldering. You must provide a 12 VDC power supply, wire, mechanical parts and DC motor (or actuator) for your single axis sun tracking project to be complete.
Solar Tracker Circuit Specifications: 3 Amp Max Motor Current, 12 VDC Supply
Please note: This circuit kit is for controlling a 12 VDC electric motor that you provide. To track the sun you will also need to build the mechanical drive for having your motor move your project. The instruction booklet gives some examples. A dual axis tracker can be built by using 2 kits.
SOLAR TRACKER 2 KIT (Catalog #ST2)... $42.50, Worldwide Shipping Included
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Our DELUXE SOLAR TRACKER KIT includes a small 12 VDC Gear Head Motor with the circuit kit (above). This is a great way to get a jump start on your project. We are offering this motor in response to numerous requests for a basic low RPM DC motor. The speed at 12 VDC is 7 RPM. The motor shaft size is 5mm (.197in) with a set screw flat, and the overall dimensions are approximately 1.25in diameter by 2.5in long. This small electric motor is surprisingly powerful. It cannot be stopped by hand. We are offering this motor combined with a Solar Tracker Circuit Kit (above) to create a Deluxe Kit for $61.50, worldwide shipping included.
SOLAR TRACKER 2 CIRCUIT KIT with MOTOR (Catalog #ST2M)... $61.50, Worldwide Shipping Included
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ADDITIONAL ORDERING INFORMATION
We keep ordering simple! Prompt, courteous 30 day refund policy.
BY MAIL....please send a Check or Money Order for the kit or package desired to:
MTM Scientific, Inc. P.O. Box 522, Clinton, Michigan 49236 USA
No shipping delays for Personal Checks. We ship promptly via First Class Mail or Air Mail.
BY PAYPAL... Click the "Buy Now" button above, or send a Paypal directly to: mtm@mtmscientific.com
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Some Examples of Solar Tracking Projects
Here is an example of a small single axis solar tracker with a short demonstration video. In this example a solar panel has been mounted directly to the shaft of a large DC gearhead motor. In this example the MTM solar tracker kit is used to control the motion. Please note that the MTM kits (above) do not include this solar panel or the large motor shown here.
Here is a link to more examples of solar trackers built by our customers:
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