Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller, two servos, a PIR sensor, an ESP-01 WiFi module, and a voltage regulator. The circuit is designed to control the servos and read data from the PIR sensor, with the ESP-01 module providing WiFi connectivity. The voltage regulator ensures that all components receive the appropriate voltage levels.

Component List

Arduino UNO

• Description: A 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

Servo (x2)

• Description: A servo motor for precise control of angular position.
• Pins: gnd, vcc, pulse

PIR Sensor

• Description: A passive infrared sensor for motion detection.
• Pins: VDD, SIG, GND

ESP-01

• Description: A WiFi module based on the ESP8266.
• Pins: GND, GPIO02, GPIO0, RX, VCC, RST, CH_PD, TX

Resistor (160 Ohms)

• Description: A resistor with a resistance of 160 Ohms.
• Pins: pin1, pin2

Resistor (330 Ohms)

• Description: A resistor with a resistance of 330 Ohms.
• Pins: pin1, pin2

Voltage Regulator 12V to 5V/3V

• Description: A voltage regulator to convert 12V input to 5V and 3V outputs.
• Pins: gnd, dc in1, dc in2, dc in3, v6 5v, v5 5v, v4 5v, v3 3v, v2 3v, v1 3v

Wiring Details

Arduino UNO

• D3: Not connected
• GND: Connected to Voltage Regulator (gnd)
• Vin: Connected to Voltage Regulator (v6 5v)
• D12: Connected to PIR Sensor (SIG)
• D11: Connected to Servo (pulse)
• D10: Connected to Servo (pulse)
• D2: Connected to ESP-01 (TX)

Servo (1)

• gnd: Connected to Voltage Regulator (gnd)
• vcc: Connected to Voltage Regulator (v4 5v)
• pulse: Connected to Arduino UNO (D11)

Servo (2)

• gnd: Connected to Voltage Regulator (gnd)
• vcc: Connected to Voltage Regulator (v4 5v)
• pulse: Connected to Arduino UNO (D10)

PIR Sensor

• VDD: Connected to Voltage Regulator (v5 5v)
• SIG: Connected to Arduino UNO (D12)
• GND: Connected to Voltage Regulator (gnd)

ESP-01

• GND: Connected to Voltage Regulator (gnd)
• RX: Connected to Resistor (pin2)
• VCC: Connected to Voltage Regulator (v1 3v)
• CH_PD: Connected to Voltage Regulator (v2 3v)
• TX: Connected to Arduino UNO (D2)

Resistor (160 Ohms)

• pin1: Connected to Resistor (330 Ohms) (pin2)
• pin2: Connected to ESP-01 (RX)

Resistor (330 Ohms)

• pin1: Connected to Resistor (160 Ohms) (pin2)
• pin2: Connected to ESP-01 (RX)

Voltage Regulator 12V to 5V/3V

• gnd: Connected to Servo (gnd), ESP-01 (GND), PIR Sensor (GND), Arduino UNO (GND)
• v4 5v: Connected to Servo (vcc)
• v6 5v: Connected to Arduino UNO (Vin)
• v5 5v: Connected to PIR Sensor (VDD)
• v2 3v: Connected to ESP-01 (CH_PD)
• v1 3v: Connected to ESP-01 (VCC)

Code Documentation

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:

}

Additional Documentation (documentation.txt)

This documentation provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and the code used in the Arduino UNO microcontroller.