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Project guide
Circuit Diagram
Wiring Connections
- Plug the VEML7700 STEMMA QT Port to the Feather ESP32-S2's STEMMA QT port with a STEMMA QT cable
- LiPoly battery to the Feather ESP32-S3's LiPoly battery connector
Assembling Your Sun Tracker
You don't need to do anything fancy to get this project up and running. If you're in a hurry, you can simply toss the components into a clear, waterproof container and place it in your garden wherever you want to track light.
However, if you want to take a few extra minutes to secure your electronics, the Adafruit Swirly mounting system is a great option. It lets you cleanly screw down almost any Adafruit board or microcontroller. All you need is a Swirly board and a few plastic M2.5 mounting screws.
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We ran this on a crisp early spring day, if its summer, make sure your battery does not get too hot (stay below 100 *F/40 *C)! Shade the battery if necessary or wait for a cool day.
Page last edited June 30, 2026
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