ESP32-Based Smart Obstacle Detection System with LCD Display and Servo Control
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Circuit Documentation
Summary
This document provides a detailed overview of a circuit that includes an ESP32 microcontroller, a 16x2 I2C LCD, a Micro Servo 9G, and multiple IR sensors. The circuit is designed to interface various sensors and actuators with the ESP32, which serves as the central control unit. The document includes a component list, wiring details, and code documentation.
Component List
16x2 I2C LCD
- Description: A 16x2 character LCD display with I2C interface.
- Pins: GND, VCC, SDA, SCL
Micro Servo 9G
- Description: A small servo motor used for precise control of angular position.
- Pins: GND, +5V, PWM
IR Sensor
- Description: Infrared sensor used for object detection.
- Pins: out, gnd, vcc
ESP32
- 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, 3V3, D15, D2, D4, RX2, TX2, D5, D18, D19, D21, RX0, TX0, D22, D23, BOOT
Wiring Details
16x2 I2C LCD
- GND: Connected to ESP32 GND
- VCC: Connected to ESP32 3V3
- SDA: Connected to ESP32 D21
- SCL: Connected to ESP32 D22
Micro Servo 9G
- GND: Connected to ESP32 GND
- +5V: Connected to ESP32 3V3
- PWM: Connected to ESP32 D15
IR Sensor 1
- out: Connected to ESP32 D4
- gnd: Connected to ESP32 GND
- vcc: Connected to ESP32 3V3
IR Sensor 2
- out: Connected to ESP32 D2
- gnd: Connected to ESP32 GND
- vcc: Connected to ESP32 3V3
IR Sensor 3
- out: Connected to ESP32 D5
- gnd: Connected to ESP32 GND
- vcc: Connected to ESP32 3V3
IR Sensor 4
- out: Connected to ESP32 D18
- gnd: Connected to ESP32 GND
- vcc: Connected to ESP32 3V3
IR Sensor 5
- out: Connected to ESP32 D23
- gnd: Connected to ESP32 GND
- vcc: Connected to ESP32 3V3
IR Sensor 6
- out: Connected to ESP32 D35
- gnd: Connected to ESP32 GND
- vcc: Connected to ESP32 3V3
IR Sensor 7
- out: Connected to ESP32 D34
- gnd: Connected to ESP32 GND
- vcc: Connected to ESP32 3V3
IR Sensor 8
- out: Connected to ESP32 D32
- gnd: Connected to ESP32 GND
- vcc: Connected to ESP32 3V3
Code Documentation
No code is provided for this circuit. If code is added in the future, it should be documented here with detailed explanations of its functionality and how it interacts with the hardware components.
This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and a placeholder for code documentation. This should serve as a useful reference for understanding and replicating the circuit.