Circuit Documentation

Summary

This circuit involves multiple components including IR sensors, a voltage regulator, a relay module, a 9V battery, DC motors, an LED, and a resistor. The circuit is designed to control the operation of DC motors based on the input from IR sensors, with power regulation provided by a 7805 voltage regulator. The relay module is used to switch the motors on and off, and an LED is included for visual indication.

Component List

1. IR Sensor

   • Pins: out, gnd, vcc
   • Description: Infrared sensor used to detect objects.
   • Purpose: Provides input signals to the relay module based on object detection.

2. 7805 Voltage Regulator

   • Pins: Vin, Gnd, Vout
   • Description: Voltage regulator that outputs a stable 5V.
   • Purpose: Regulates the 9V battery voltage down to 5V for other components.

3. 5V 2-Relay JD-VCC Module

   • Pins: JD-VCC, VCC, GND, IN1, IN2, NO, COM, NC
   • Description: Relay module used to control high-power devices.
   • Purpose: Switches the DC motors on and off based on input from the IR sensors.

4. 9V Battery

   • Pins: +, -
   • Description: Power source for the circuit.
   • Purpose: Provides the initial power supply.

5. DC Mini Metal Gear Motor

   • Pins: IN1, IN2
   • Description: Small DC motor with metal gears.
   • Purpose: Actuates mechanical movement in the system.

6. LED: Two Pin (Red)

   • Pins: cathode, anode
   • Description: Red LED for visual indication.
   • Purpose: Indicates the status of the circuit.

7. Resistor

   • Pins: pin1, pin2
   • Description: 200 Ohms resistor.
   • Purpose: Limits current to the LED.

Wiring Details

IR Sensor 1

• Pins:
  • out: Connected to IN2 of the relay module.
  • gnd: Connected to GND of the relay module and IR Sensor 2.
  • vcc: Connected to Vout of the 7805 voltage regulator.

IR Sensor 2

• Pins:
  • out: Connected to IN1 of the relay module.
  • gnd: Connected to GND of the relay module and IR Sensor 1.
  • vcc: Connected to Vout of the 7805 voltage regulator.

7805 Voltage Regulator

• Pins:
  • Vin: Connected to the + terminal of the 9V battery.
  • Gnd: Connected to the anode of the LED, the - terminal of the 9V battery, and IN1 of both DC motors.
  • Vout: Connected to pin1 of the resistor, VCC, and COM of the relay module, and vcc of both IR sensors.

5V 2-Relay JD-VCC Module

• Pins:
  • JD-VCC: Not connected.
  • VCC: Connected to Vout of the 7805 voltage regulator.
  • GND: Connected to gnd of both IR sensors.
  • IN1: Connected to out of IR Sensor 2.
  • IN2: Connected to out of IR Sensor 1.
  • NO: Connected to IN2 of both DC motors.
  • COM: Connected to Vout of the 7805 voltage regulator.

9V Battery

• Pins:
  • +: Connected to Vin of the 7805 voltage regulator.
  • -: Connected to Gnd of the 7805 voltage regulator, the anode of the LED, and IN1 of both DC motors.

DC Mini Metal Gear Motor 1

• Pins:
  • IN1: Connected to Gnd of the 7805 voltage regulator.
  • IN2: Connected to NO of the relay module.

DC Mini Metal Gear Motor 2

• Pins:
  • IN1: Connected to Gnd of the 7805 voltage regulator.
  • IN2: Connected to NO of the relay module.

LED: Two Pin (Red)

• Pins:
  • cathode: Connected to pin2 of the resistor.
  • anode: Connected to Gnd of the 7805 voltage regulator and the - terminal of the 9V battery.

Resistor

• Pins:
  • pin1: Connected to Vout of the 7805 voltage regulator.
  • pin2: Connected to the cathode of the LED.

Code

No microcontroller code is provided for this circuit.