Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with various sensors, a micro servo, a stepper motor driver, and a buzzer. The circuit is powered by a 18650 Li-Ion battery connected through a power jack. The Arduino UNO reads data from the sensors and controls the servo and stepper motor driver accordingly.

Component List

1. Arduino UNO

   • Description: Microcontroller board based on the ATmega328P.
   • Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

2. Micro servo 9G

   • Description: Small servo motor for precise control of angular position.
   • Pins: GND, +5V, PWM

3. Stepper motor driver

   • Description: Driver for controlling a stepper motor.
   • Pins: GNC, VCC, A+, A--, B+, B--, ENA-, ENA+, DIR, DIR(+5V), PUL--, PUL+

4. Stepper Motor (Unipolar)

   • Description: Unipolar stepper motor for precise rotational control.
   • Pins: D, COMMON_2, B, C, COMMON_1, A

5. RAIN SENSOR

   • Description: Sensor for detecting rain.
   • Pins: AO, DO, GRD, VCC

6. IR Sensor

   • Description: Infrared sensor for object detection.
   • Pins: out, gnd, vcc

7. LJC18A3-B-Z/BY Capacitive Proximity Sensor

   • Description: Capacitive proximity sensor for detecting objects.
   • Pins: VO (BLU), VI (BRN), SIG (BLK)

8. 18650 Li-Ion

   • Description: Rechargeable lithium-ion battery.
   • Pins: Positive, Negative

9. Buzzer

   • Description: Simple buzzer for sound output.
   • Pins: PIN, GND

10. Power Jack

    • Description: Connector for power supply.
    • Pins: POSITIF, NEGATIF

Wiring Details

Arduino UNO

• 5V connected to:

  • RAIN SENSOR (VCC)
  • IR Sensor (vcc)
  • Micro servo 9G (+5V)
  • LJC18A3-B-Z/BY Capacitive Proximity Sensor (VI (BRN))

• GND connected to:

  • RAIN SENSOR (GRD)
  • Buzzer (PIN)
  • IR Sensor (gnd)
  • Micro servo 9G (GND)
  • LJC18A3-B-Z/BY Capacitive Proximity Sensor (VO (BLU))

• A0 connected to:

  • RAIN SENSOR (AO)

• D12 connected to:

  • Buzzer (GND)

• D11 connected to:

  • Stepper motor driver (DIR(+5V))

• D10 connected to:

  • Stepper motor driver (DIR)

• D9 connected to:

  • Stepper motor driver (ENA+)

• D8 connected to:

  • Stepper motor driver (ENA-)

• D7 connected to:

  • Micro servo 9G (PWM)

• D6 connected to:

  • LJC18A3-B-Z/BY Capacitive Proximity Sensor (SIG (BLK))

• D5 connected to:

  • IR Sensor (out)

Micro servo 9G

• GND connected to:

  • Arduino UNO (GND)

• +5V connected to:

  • Arduino UNO (5V)

• PWM connected to:

  • Arduino UNO (D7)

Stepper motor driver

• GNC connected to:

  • Power Jack (NEGATIF)
  • 18650 Li-Ion (Negative)

• VCC connected to:

  • Power Jack (POSITIF)
  • 18650 Li-Ion (Positive)

• A+ connected to:

  • Stepper Motor (Unipolar) (A)

• A-- connected to:

  • Stepper Motor (Unipolar) (COMMON_1)

• B+ connected to:

  • Stepper Motor (Unipolar) (B)

• B-- connected to:

  • Stepper Motor (Unipolar) (COMMON_2)

• ENA+ connected to:

  • Arduino UNO (D9)

• ENA- connected to:

  • Arduino UNO (D8)

• DIR connected to:

  • Arduino UNO (D10)

• DIR(+5V) connected to:

  • Arduino UNO (D11)

• PUL-- connected to:

  • Stepper Motor (Unipolar) (D)

• PUL+ connected to:

  • Stepper Motor (Unipolar) (C)

Stepper Motor (Unipolar)

• A connected to:

  • Stepper motor driver (A+)

• COMMON_1 connected to:

  • Stepper motor driver (A--)

• B connected to:

  • Stepper motor driver (B+)

• COMMON_2 connected to:

  • Stepper motor driver (B--)

• D connected to:

  • Stepper motor driver (PUL--)

• C connected to:

  • Stepper motor driver (PUL+)

RAIN SENSOR

• VCC connected to:

  • Arduino UNO (5V)

• GRD connected to:

  • Arduino UNO (GND)

• AO connected to:

  • Arduino UNO (A0)

IR Sensor

• vcc connected to:

  • Arduino UNO (5V)

• gnd connected to:

  • Arduino UNO (GND)

• out connected to:

  • Arduino UNO (D5)

LJC18A3-B-Z/BY Capacitive Proximity Sensor

• VI (BRN) connected to:

  • Arduino UNO (5V)

• VO (BLU) connected to:

  • Arduino UNO (GND)

• SIG (BLK) connected to:

  • Arduino UNO (D6)

18650 Li-Ion

• Positive connected to:

  • Power Jack (POSITIF)
  • Stepper motor driver (VCC)

• Negative connected to:

  • Power Jack (NEGATIF)
  • Stepper motor driver (GNC)

Buzzer

• PIN connected to:

  • Arduino UNO (GND)

• GND connected to:

  • Arduino UNO (D12)

Power Jack

• POSITIF connected to:

  • 18650 Li-Ion (Positive)
  • Stepper motor driver (VCC)

• NEGATIF connected to:

  • 18650 Li-Ion (Negative)
  • Stepper motor driver (GNC)

Documented Code

Arduino UNO Code (sketch.ino)

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

}

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

}

Documentation (documentation.txt)