How the MPU6050 Knows Which Way is Up
The brain behind the panel's movement is a tiny chip called the MPU6050. It tells the motors exactly how much the panel is leaning.
It uses an X and a Y axis:
- X-Axis: Detects if the panel is tilting Left or Right.
- Y-Axis: Detects if the panel is tilting Forward or Backward.
When the panel is perfectly flat like a table, the chip reads exactly
0, 0. If you lean it forward, the Y-axis number goes up. If you lean it left, the X-axis number drops below zero.
Why the Panel Doesn't Spin 360 Degrees
One of the biggest misconceptions is that a dual-axis solar tracker needs to spin around in a full circle like an owl's head. It doesn't!
The sun moves in a predictable arc across the sky—from East in the morning to West in the evening. It never randomly spawns upside down or sneaks up from behind.
Imagine you are standing still and watching an airplane fly across the sky. You only need to tilt your head back (Y-axis) and turn it slightly side-to-side (X-axis). You don't need to spin your whole body 360 degrees to keep your eyes on it!
What about Midday?
At noon, when the sun is directly overhead (zenith), the panel barely needs to tilt forward or backward. It just returns to a nearly flat position (close to 0,0). It only needs extreme tilting during sunrise or sunset when the sun is low on the horizon.
How Do We Control It?
Knowing how to tilt is one thing, but knowing where the sun is requires a dedicated control engine. We offer three different "brains" (Modules) to tell the motors where to move the panel:
- 1. Conventional: Uses physical light sensors (like digital eyes) to find the brightest spot in the sky.
- 2. Fixed Algorithmic: Uses pure math, the date, and your GPS location to calculate the sun's exact position blindly.
- 3. AI-ANN (Proposed): A highly advanced smart engine that can predict the sun's path even when clouds cover it completely.
