How to build a 360° solar tracker circuit

More info about Solar Tracker Circuit 1. A solar tracker circuit is an electronic system designed to orient photovoltaic panels or other devices towards the sun in order to maximize energy capture. 2. There are two main types of solar trackers: single-axis and dual-axis. Single-axis trackers move along a single axis, typically aligned with the north-south direction, while dual-axis trackers can move in two directions, allowing for full rotation. Components commonly found in a solar tracker circuit include: 1. Light-dependent resistors (LDRs): These are used to sense the light intensity and determine the position of the sun. 2. Microcontrollers: These are used to process the input from the LDRs and control the movement of the solar panel. 3. Motors: These are used to physically move the solar panel in response to the microcontroller's commands. 4. Mechanical structure: This is the physical frame that supports the solar panel and allows it to rotate or tilt as needed. The basic operation of a solar tracker circuit involves the following steps: 1. The LDRs detect the intensity of light on either side of the solar panel. 2. The microcontroller compares the readings from the LDRs and determines the direction in which the sun is located. 3. The microcontroller then sends a signal to the motor, causing it to rotate or tilt the solar panel towards the sun. 4. This process is repeated continuously throughout the day to ensure that the solar panel is always facing the sun.

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This is quite smart, as it uses a TDA2822 amplifier, so not an MCU and, therefore, doesn't require any programming. It's also quite cheap. It basically amplifies the strongest signal coming from the LDRs. Simple, cheap, efficient.

The idea of sensor sun light detector is amazing , but in reality the sun moves in vertical rotation for 180' degree , so in this project it’s not efficient because of horizontal rotation and will not reach the highest point of power receiving on the solar panel board.

I don't think this works in real life. With that little lamp test it is obvious where there's more light. With the sun I doubt there is a measurable difference between the LDRs. My prediction is it doesn't move at all or very erratically.

This chip is fantastic

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A bit too much for me!!!

Sure, for everyone in the audience that just happens to have all this laying around.