Design with Tofsense-M LIDAR in Cirkit DesignerThe Tofsense-M LIDAR, manufactured by Nooploop, is a compact and high-performance Time-of-Flight (ToF) sensor designed for precise distance measurement and 3D mapping. By emitting light pulses and calculating the time it takes for the light to return after hitting an object, the Tofsense-M provides accurate and reliable distance data. Its small size, low power consumption, and high resolution make it ideal for applications in robotics, drones, autonomous vehicles, industrial automation, and smart devices.
This circuit is designed to measure distances using two TF LUNA LIDAR sensors, which are interfaced with an Arduino UNO microcontroller via I2C communication. The Arduino is programmed to read distance measurements from the LIDAR sensors and output the data serially. The entire system is powered by a 5V battery, ensuring portability and ease of use.
Open Project in Cirkit Designer
This circuit features an ESP32 CAM module interfaced with a TF LUNA LIDAR sensor for distance measurement. The ESP32 CAM provides power to the LIDAR sensor and facilitates communication via its RX and TX GPIOs. A Polymer Lithium Ion Battery powers the circuit through a Step Up Boost Converter that elevates the voltage to the required levels for the ESP32 CAM and LIDAR sensor.
Open Project in Cirkit Designer
This circuit features a Raspberry Pi 5 connected to a camera module and a TF LUNA LIDAR sensor for visual and distance sensing capabilities. A Mini 360 Buck Converter is used to regulate power from a Li-ion battery to the Raspberry Pi and an Adafruit Motor Shield, which controls four DC motors. The Arduino UNO microcontroller appears to be unused in the current configuration.
Open Project in Cirkit Designer
This circuit features a Raspberry Pi 5 as the central controller, interfaced with a TF LUNA LIDAR sensor for distance measurement and an MPU-6050 for motion tracking via I2C communication. It also includes two L298 motor drivers powered by a 12V battery to control four DC motors, with the Raspberry Pi's GPIO pins used to manage the direction and speed of the motors.
Open Project in Cirkit DesignerThe Tofsense-M LIDAR is designed to deliver high accuracy and performance in a variety of environments. Below are its key technical specifications:
| Parameter | Specification |
|---|---|
| Measurement Range | 0.1 m to 6 m |
| Accuracy | ±2 cm |
| Resolution | 1 mm |
| Field of View (FoV) | 27° |
| Operating Voltage | 5 V DC |
| Power Consumption | ≤ 0.5 W |
| Communication Interface | UART (3.3V TTL) |
| Operating Temperature | -10°C to 60°C |
| Dimensions | 30 mm × 30 mm × 12 mm |
| Weight | 10 g |
The Tofsense-M LIDAR features a 4-pin interface for power and communication. The pinout is as follows:
| Pin | Name | Description |
|---|---|---|
| 1 | VCC | Power supply input (5 V DC) |
| 2 | GND | Ground |
| 3 | TX | UART Transmit (3.3V TTL) |
| 4 | RX | UART Receive (3.3V TTL) |
To use the Tofsense-M LIDAR in a circuit, follow these steps:
Below is an example Arduino sketch to interface with the Tofsense-M LIDAR and read distance data:
#include <SoftwareSerial.h>
// Define the RX and TX pins for SoftwareSerial
SoftwareSerial lidarSerial(10, 11); // RX = Pin 10, TX = Pin 11
void setup() {
Serial.begin(9600); // Initialize Serial Monitor at 9600 baud
lidarSerial.begin(115200); // Initialize LIDAR communication at 115200 baud
Serial.println("Tofsense-M LIDAR Initialized");
}
void loop() {
if (lidarSerial.available()) { // Check if data is available from the LIDAR
String distanceData = ""; // Variable to store the received data
while (lidarSerial.available()) {
char c = lidarSerial.read(); // Read each character from the LIDAR
distanceData += c; // Append the character to the data string
}
Serial.print("Distance: "); // Print the distance data to the Serial Monitor
Serial.println(distanceData);
}
delay(100); // Add a small delay to avoid flooding the Serial Monitor
}
SoftwareSerial library is used to communicate with the Tofsense-M LIDAR on pins 10 and 11 of the Arduino UNO.No Data Received from the Sensor
Inaccurate or Fluctuating Measurements
Communication Errors
Q: Can the Tofsense-M LIDAR measure distances beyond 6 meters?
A: No, the maximum measurement range of the Tofsense-M is 6 meters. For longer ranges, consider other LIDAR models.
Q: Is the Tofsense-M suitable for outdoor use?
A: The Tofsense-M can operate in outdoor environments, but direct sunlight or extreme temperatures may affect its performance.
Q: Can I use multiple Tofsense-M sensors in the same system?
A: Yes, but ensure each sensor has a unique communication channel or address to avoid conflicts.
By following this documentation, you can effectively integrate the Tofsense-M LIDAR into your projects and troubleshoot common issues with ease.