ESP32 Ultrasonic and Lidar Distance Measurement

Measure distances using the ESP32, combined with both ultrasonic and Lidar sensors, and display the results on a screen.

🛠 Hardware Components

• Heltec ESP32
• HC-SR04 Ultrasonic Sensor
• 
• TFLuna Lidar Sensor
• 
• 

💽 Required Software Packages

Ensure you have the following packages installed in your Arduino IDE:

• Heltec ESP32 Library
• HC-SR04 Library

🔗 Pin Connections

Ensure to make the following connections between the ESP32 and the respective sensors. Refer to the ESP32 Pins for the detailed pinout diagram.

Ultrasonic Connections (HC-SR04)

HC-SR04 Pin	Connection	ESP32 Pin	Description
1	GND	Ground	Ground
2	5V (VCC)	Power	Power supply
12	Trigger	GPIO17	Trigger Signal
13	Echo	GPIO15	Echo Signal

Lidar Connections (TFLuna)

TFLuna Pin	Connection	ESP32 Pin	Description
1	5V	Power	Power Supply
2	SDA	GPIO4	Data Line
3	SCL	GPIO15	Clock Line
4	GND	Ground	Ground