Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a 5V battery, a 12V relay, a PNP transistor, an IR sensor, a plastic solenoid valve, a water pump, and a diode. The circuit is designed to control the operation of the water pump and solenoid valve based on the input from the IR sensor.

Component List

1. 5V Battery

   • Pins: +, -
   • Description: Provides a 5V power supply for the circuit.

2. Battery

   • Pins: -, +
   • Description: Provides an additional power supply for the circuit.

3. Plastic Solenoid Valve

   • Pins: pin1, pin2
   • Description: Controls the flow of liquid in the system.

4. PNP Transistor (EBC)

   • Pins: emitter, base, collector
   • Description: Used to switch the relay based on the IR sensor input.

5. IR Sensor

   • Pins: out, gnd, vcc
   • Description: Detects infrared signals and provides an output signal.

6. 12V Relay

   • Pins: +, -, C, NC, NO
   • Description: Controls the connection between the battery and the water pump/solenoid valve.

7. Water Pump

   • Pins: positive, negative
   • Description: Pumps water through the system.

8. Diode

   • Pins: cathode, anode
   • Description: Ensures current flows in one direction.

Wiring Details

5V Battery

• + is connected to vcc of the IR sensor.
• - is connected to - of the 12V relay.

Battery

• - is connected to C of the 12V relay.
• + is connected to pin1 of the plastic solenoid valve and positive of the water pump.

Plastic Solenoid Valve

• pin1 is connected to + of the battery.
• pin2 is connected to negative of the water pump and NO of the 12V relay.

PNP Transistor (EBC)

• emitter is connected to + of the 12V relay.
• base is connected to out of the IR sensor.

IR Sensor

• out is connected to base of the PNP transistor.
• vcc is connected to + of the 5V battery.
• gnd is connected to - of the 5V battery.

12V Relay

• + is connected to emitter of the PNP transistor.
• - is connected to - of the 5V battery.
• C is connected to - of the battery.
• NO is connected to pin2 of the plastic solenoid valve and negative of the water pump.

Water Pump

• positive is connected to + of the battery.
• negative is connected to pin2 of the plastic solenoid valve and NO of the 12V relay.

Diode

• cathode and anode are not connected in the provided net list.

Code

There is no code provided for this circuit.