Circuit Documentation

Summary

This circuit involves various components including a trimmer potentiometer, relay module, IR sensor, rocker switch, battery, voltage regulator, transistor, capacitor, piezo speaker, motor with reducer, and a water pump. The circuit is designed to control the operation of motors and a water pump based on the input from an IR sensor, with the relay module acting as a switch.

Component List

1. Trimmer Potentiometer

   • Description: Adjustable resistor used to vary resistance in the circuit.
   • Pins: leg1, wiper, leg2
   • Properties: Resistance: 100k Ohms

2. 5V 2-Relay JD-VCC

   • Description: Relay module used to control high voltage devices.
   • Pins: JD-VCC, VCC, GND, IN1, IN2, NO, COM, NC

3. IR Sensor

   • Description: Sensor used to detect infrared light.
   • Pins: out, gnd, vcc

4. Rocker Switch

   • Description: Switch used to control the flow of current.
   • Pins: 1, 2

5. 12V Battery

   • Description: Power source for the circuit.
   • Pins: -, +

6. LM2596

   • Description: Voltage regulator used to step down voltage.
   • Pins: IN, OUT

7. BC547

   • Description: NPN transistor used for switching and amplification.
   • Pins: collector, base, emitter

8. Electrolytic Capacitor

   • Description: Capacitor used to store electrical energy.
   • Pins: -, +
   • Properties: Capacitance: 100µF

9. Piezo Speaker

   • Description: Speaker used to produce sound.
   • Pins: pin1, pin2

10. Motor with Reducer

    • Description: Motor with a gear reducer.
    • Pins: 3 - 6 VCC, GND

11. 5V Mini Water Pump

    • Description: Water pump used to move water.
    • Pins: positive pin, negative pin

Wiring Details

Trimmer Potentiometer

• leg1 is connected to wiper and base of BC547.
• leg2 is connected to NO of 5V 2-Relay JD-VCC and + of Electrolytic Capacitor.

5V 2-Relay JD-VCC

• NO is connected to leg2 of Trimmer Potentiometer and + of Electrolytic Capacitor.
• GND is connected to gnd of IR Sensor, - of Electrolytic Capacitor, Emitter of BC547, and OUT of LM2596.
• IN1 is connected to collector of BC547.
• IN2 is connected to out of IR Sensor.
• VCC is connected to COM of 5V 2-Relay JD-VCC, vcc of IR Sensor, and OUT of LM2596.
• COM is connected to 1 of Rocker Switch and + of 12V Battery.
• NC is connected to 3 - 6 VCC of both Motors with Reducer.

IR Sensor

• gnd is connected to GND of 5V 2-Relay JD-VCC.
• out is connected to IN2 of 5V 2-Relay JD-VCC.
• vcc is connected to VCC of 5V 2-Relay JD-VCC.

Rocker Switch

• 1 is connected to COM of 5V 2-Relay JD-VCC.
• 2 is connected to IN of LM2596.

12V Battery

• + is connected to COM of 5V 2-Relay JD-VCC.
• - is connected to GND of Motor with Reducer, pin2 of Piezo Speaker, positive pin of 5V Mini Water Pump, GND of Motor with Reducer, and IN of LM2596.

LM2596

• IN is connected to 2 of Rocker Switch and - of 12V Battery.
• OUT is connected to GND of 5V 2-Relay JD-VCC and VCC of 5V 2-Relay JD-VCC.

BC547

• collector is connected to IN1 of 5V 2-Relay JD-VCC.
• base is connected to leg1 and wiper of Trimmer Potentiometer.
• Emitter is connected to GND of 5V 2-Relay JD-VCC.

Electrolytic Capacitor

• + is connected to leg2 of Trimmer Potentiometer and NO of 5V 2-Relay JD-VCC.
• - is connected to GND of 5V 2-Relay JD-VCC.

Piezo Speaker

• pin1 is connected to NO of 5V 2-Relay JD-VCC.
• pin2 is connected to - of 12V Battery.

Motor with Reducer

• 3 - 6 VCC is connected to NC of 5V 2-Relay JD-VCC.
• GND is connected to - of 12V Battery.

5V Mini Water Pump

• positive pin is connected to - of 12V Battery.
• negative pin is connected to NO of 5V 2-Relay JD-VCC.

Documented Code

sketch.ino

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

}

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

}

documentation.txt