Circuit Documentation

Summary

This circuit integrates a variety of components to perform a set of functions that are not explicitly defined in the provided data. The core of the circuit is a Wemos D1 Mini microcontroller, which interfaces with sensors, a pushbutton, a voltage sensor, a temperature and humidity sensor (AHT21), a solar panel, a charge controller, a battery, a DC-DC converter, a linear actuator, and a motor driver. The circuit appears to be designed for monitoring and control applications, possibly in an environment where solar power is used as the energy source.

Component List

Wemos D1 Mini

• Microcontroller board based on the ESP8266.
• Provides GPIO pins for interfacing with other components.

Pushbutton

• A simple switch that can be used to trigger events in the circuit.

Voltage Sensor

• Measures the voltage in the circuit and provides feedback to the microcontroller.

AHT21

• A sensor for measuring temperature and humidity.

Solar Panel

• Converts sunlight into electrical energy to power the circuit or charge the battery.

MPPT 12V Charge Controller

• Maximizes the power output from the solar panel and charges the battery.

12V AGM Battery

• Stores electrical energy for use by the circuit.

XL4015 5A DC Buck Step-down Converter

• Steps down the voltage to a lower level suitable for the components in the circuit.

Linear Actuator

• Converts electrical energy into linear motion.

IR Beam Break Sensor

• Detects objects passing between the emitter and receiver, breaking the infrared beam.

L298N DC Motor Driver

• Controls the direction and speed of DC motors.

Wiring Details

Wemos D1 Mini

• RST connected to Pushbutton Pin 2
• A0 connected to Voltage Sensor Signal (S)
• 3V3 connected to AHT21 Vin+
• 5V connected to XL4015 5A DC Buck Step-down Output +
• G (Ground) connected to multiple components for common ground
• D2 connected to L298N DC motor driver IN2 and AHT21 SDA
• D1 connected to L298N DC motor driver IN1 and AHT21 SCL

Pushbutton

• Pin 2 connected to Wemos D1 Mini RST
• Pin 3 connected to common ground

Voltage Sensor

• S connected to Wemos D1 Mini A0
• VCC connected to 12V rail from L298N DC motor driver
• GND connected to common ground
• - connected to common ground

AHT21

• Vin+ connected to Wemos D1 Mini 3V3
• GND connected to common ground
• SCL connected to Wemos D1 Mini D1
• SDA connected to Wemos D1 Mini D2

Solar Panel

• + connected to MPPT 12V Charge Controller +
• - connected to MPPT 12V Charge Controller -

MPPT 12V Charge Controller

• + connected to Solar Panel +, 12V AGM Battery +, and 12V rail for the circuit
• - connected to Solar Panel -, 12V AGM Battery -, and common ground

12V AGM Battery

• + connected to MPPT 12V Charge Controller +
• - connected to MPPT 12V Charge Controller -

XL4015 5A DC Buck Step-down Converter

• Output + connected to Wemos D1 Mini 5V
• Output - connected to common ground
• Input + connected to 12V rail from MPPT 12V Charge Controller
• Input - connected to common ground

Linear Actuator

• + connected to L298N DC motor driver OUT2
• - connected to L298N DC motor driver OUT1

L298N DC Motor Driver

• IN1 connected to Wemos D1 Mini D1
• IN2 connected to Wemos D1 Mini D2
• 12V connected to 12V rail from MPPT 12V Charge Controller
• GND connected to common ground
• OUT1 connected to Linear Actuator -
• OUT2 connected to Linear Actuator +

Documented Code

Wemos D1 Mini - sketch.ino

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

}

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

}

Wemos D1 Mini - documentation.txt

(No additional documentation provided for the code)

This concludes the documentation for the provided circuit. The circuit's functionality and the microcontroller's code are not fully detailed, which may be necessary for a complete understanding of the system's operation.