Circuit Documentation

Summary

This circuit involves an ESP32 microcontroller interfacing with multiple IR sensors, an LCD screen, and an SG90 servo motor. The ESP32 reads data from the IR sensors and displays information on the LCD screen. Additionally, the ESP32 controls the SG90 servo motor based on the sensor inputs.

Component List

1. ESP32 (30 pin)

   • Description: A powerful microcontroller with built-in Wi-Fi and Bluetooth capabilities.
   • Pins: EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, GND, Vin, D23, D22, TX0, RX0, D21, D19, D18, D5, TX2, RX2, D4, D2, D15, 3V3

2. LCD screen 16x2 I2C

   • Description: A 16x2 character LCD display with I2C interface.
   • Pins: SCL, SDA, VCC, GND

3. IR Sensor

   • Description: Infrared sensor for detecting objects.
   • Pins: out, gnd, vcc

4. SG90 Servo Motor

   • Description: A small servo motor used for precise control of angular position.
   • Pins: PWM, 5V, GND

Wiring Details

ESP32 (30 pin)

• D22 connected to SCL of LCD screen 16x2 I2C
• D21 connected to SDA of LCD screen 16x2 I2C
• D18 connected to out of IR sensor
• D5 connected to out of IR sensor
• D4 connected to out of IR sensor
• D14 connected to out of IR sensor
• D13 connected to PWM of SG90 servo motor
• Vin connected to VCC of LCD screen 16x2 I2C, 5V of SG90 servo motor, and vcc of all IR sensors
• GND connected to GND of LCD screen 16x2 I2C, GND of SG90 servo motor, and gnd of all IR sensors

LCD screen 16x2 I2C

• SCL connected to D22 of ESP32
• SDA connected to D21 of ESP32
• VCC connected to Vin of ESP32
• GND connected to GND of ESP32

IR Sensor

• out connected to D18 of ESP32
• out connected to D5 of ESP32
• out connected to D4 of ESP32
• out connected to D14 of ESP32
• vcc connected to Vin of ESP32
• gnd connected to GND of ESP32

SG90 Servo Motor

• PWM connected to D13 of ESP32
• 5V connected to Vin of ESP32
• GND connected to GND of ESP32

Documented Code

ESP32 (30 pin)

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

}

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

}

SG90 Servo Motor

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

}

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

}

This documentation provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and documented code.