Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a variety of components such as a rocker switch, rain sensor, NPN transistor, diodes, a 5V relay, a battery case, a 7805 voltage regulator, a buzzer, and a resistor. The circuit is designed to monitor rain and activate a buzzer through a series of interconnected components.

Component List

1. Rocker Switch

   • Description: A switch that can toggle between on and off states.
   • Pins: input, output

2. Rain Sensor

   • Description: A sensor that detects the presence of rain.
   • Pins: AO, DO, GRD, VCC

3. NPN Transistor

   • Description: A transistor used for switching and amplification.
   • Pins: E, C, B

4. Diode

   • Description: A component that allows current to flow in one direction only.
   • Pins: cathode, anode

5. 5V Relay

   • Description: An electromechanical switch that is activated by a 5V signal.
   • Pins: (Not specified)

6. Battery Case

   • Description: A case that holds batteries to provide power to the circuit.
   • Pins: +, -

7. 7805 Voltage Regulator

   • Description: A voltage regulator that outputs a stable 5V.
   • Pins: Vin, Gnd, Vout

8. Buzzer

   • Description: A component that produces sound when activated.
   • Pins: PIN, GND

9. Resistor

   • Description: A component that resists the flow of current.
   • Pins: pin1, pin2
   • Properties:
     • Resistance: 10,000 Ohms

Wiring Details

Rocker Switch

• input is connected to the + pin of the Battery Case.
• output is connected to the Vin pin of the 7805 Voltage Regulator.

Rain Sensor

• GRD is connected to the - pin of the Battery Case.
• VCC is connected to the cathode pin of the Diode.
• AO is connected to pin1 of the Resistor.

NPN Transistor

• B is connected to the Gnd pin of the 7805 Voltage Regulator.
• E is connected to the anode pin of the Diode.
• C is connected to pin2 of the Resistor.

Diode (Instance 1)

• cathode is connected to the Vout pin of the 7805 Voltage Regulator.
• anode is connected to the E pin of the NPN Transistor.

Diode (Instance 2)

• cathode is connected to the Vout pin of the 7805 Voltage Regulator.
• anode is connected to the E pin of the NPN Transistor.

5V Relay

• Connected to the + pin of the Battery Case.
• Connected to the Vout pin of the 7805 Voltage Regulator.
• Connected to the anode pin of the Diode.
• Connected to the PIN pin of the Buzzer.

Battery Case

• + is connected to the input pin of the Rocker Switch.
• - is connected to the GND pin of the Buzzer.
• - is connected to the Gnd pin of the 7805 Voltage Regulator.
• - is connected to the B pin of the NPN Transistor.
• - is connected to the GRD pin of the Rain Sensor.

7805 Voltage Regulator

• Vin is connected to the output pin of the Rocker Switch.
• Gnd is connected to the - pin of the Battery Case.
• Vout is connected to the cathode pin of the Diode.
• Vout is connected to the VCC pin of the Rain Sensor.
• Vout is connected to the 5V Relay.

Buzzer

• GND is connected to the - pin of the Battery Case.
• PIN is connected to the 5V Relay.

Resistor

• pin1 is connected to the AO pin of the Rain Sensor.
• pin2 is connected to the C pin of the NPN Transistor.

Code

No microcontroller code is provided for this circuit.

This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. Each component is described in detail, and the wiring connections are clearly specified to ensure proper assembly and functionality of the circuit.