Circuit Documentation

Summary

This document provides a detailed overview of a solar power system circuit. The circuit includes a solar panel, a solar charge controller, a 12V battery, a step-up boost power converter, an automatic transfer switch (ATS), a power supply, circuit breakers, a power outlet, a step-down voltage regulator, and an Arduino UNO microcontroller. The system is designed to harness solar energy, store it in a battery, and regulate the power for various loads.

Component List

Solar Panel

• Description: Converts sunlight into electrical energy.
• Pins: +, -

Solar Charge Controller

• Description: Regulates the voltage and current coming from the solar panels to the battery.
• Pins: Solar Cell +, Solar Cell -, Battery +, Battery -, Load +, Load -

12V 200Ah Battery

• Description: Stores electrical energy for later use.
• Pins: GND, 12V

Step Up Boost Power Converter, Adjustable Voltage Regulator

• Description: Increases the voltage from the battery to a higher level.
• Pins: VOUT+, VOUT-, VIN+, VIN-

ATS (Automatic Transfer Switch)

• Description: Automatically switches between different power sources.
• Pins: +, -

POWER SUPPLY 12V 5AMP

• Description: Converts AC power to DC power.
• Pins: 220V Positive Pole (AC), 220V Negative Pole (AC), GND, GND (DC), 12V-24V Output (DC)

Circuit Breaker

• Description: Protects the circuit from overcurrent.
• Pins: +, -

Power Outlet (IL)

• Description: Provides an interface to connect electrical devices.
• Pins: N, L, GND

Regulator Stepdown DC XL4015 CC CV

• Description: Reduces the voltage to a lower level.
• Pins: IN +, IN -, OUT +, OUT -

Arduino UNO

• Description: Microcontroller for controlling various components.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

Wiring Details

Solar Panel

• + connected to Solar Charge Controller Solar Cell +
• - connected to Solar Charge Controller Solar Cell -

Solar Charge Controller

• Solar Cell + connected to Solar Panel +
• Solar Cell - connected to Solar Panel -
• Battery + connected to 12V 200Ah Battery 12V and Step Up Boost Power Converter VIN+
• Battery - connected to 12V 200Ah Battery GND and Step Up Boost Power Converter VIN-

12V 200Ah Battery

• 12V connected to Solar Charge Controller Battery + and Step Up Boost Power Converter VIN+
• GND connected to Solar Charge Controller Battery - and Step Up Boost Power Converter VIN-

Step Up Boost Power Converter, Adjustable Voltage Regulator

• VIN+ connected to 12V 200Ah Battery 12V and Solar Charge Controller Battery +
• VIN- connected to 12V 200Ah Battery GND and Solar Charge Controller Battery -
• VOUT+ connected to Circuit Breaker +
• VOUT- connected to Circuit Breaker -

ATS (Automatic Transfer Switch)

• + connected to Circuit Breaker +
• - connected to Circuit Breaker -
• + connected to ATS -
• - connected to ATS +
• + connected to POWER SUPPLY 12V 5AMP 220V Positive Pole (AC)
• - connected to POWER SUPPLY 12V 5AMP 220V Negative Pole (AC)

POWER SUPPLY 12V 5AMP

• 220V Positive Pole (AC) connected to ATS +
• 220V Negative Pole (AC) connected to ATS -
• GND (DC) connected to Regulator Stepdown DC XL4015 CC CV IN -
• 12V-24V Output (DC) connected to Regulator Stepdown DC XL4015 CC CV IN +

Circuit Breaker

• + connected to Step Up Boost Power Converter VOUT+
• - connected to Step Up Boost Power Converter VOUT-
• + connected to ATS +
• - connected to ATS -
• + connected to Power Outlet (IL) N
• - connected to Power Outlet (IL) L

Power Outlet (IL)

• L connected to Circuit Breaker -
• N connected to Circuit Breaker +

Regulator Stepdown DC XL4015 CC CV

• IN - connected to POWER SUPPLY 12V 5AMP GND (DC)
• IN + connected to POWER SUPPLY 12V 5AMP 12V-24V Output (DC)
• OUT + connected to Arduino UNO 5V
• OUT - connected to Arduino UNO GND

Arduino UNO

• 5V connected to Regulator Stepdown DC XL4015 CC CV OUT +
• GND connected to Regulator Stepdown DC XL4015 CC CV OUT -

Documented Code

Arduino UNO Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

This concludes the documentation for the solar power system circuit.