650nm 6mm 5V DC Mini Laser Dot Diode Module

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Component Description

Overview

The 650nm 6mm 5V DC Mini Laser Dot Diode Module is a compact, high-precision laser diode module designed for various applications requiring a focused beam of light. This module is ideal for robotics, automation, optical sensing, and other IoT projects that require a reliable and accurate laser source.

Functionality

The 650nm 6mm 5V DC Mini Laser Dot Diode Module is a self-contained laser diode module that emits a concentrated beam of light at a wavelength of 650 nanometers (nm). The module consists of a laser diode, a photodiode, and a driver circuit, all housed in a compact 6mm diameter package. When powered by a 5V DC supply, the module generates a highly focused beam of light, making it suitable for applications requiring precise optical detection or illumination.

Key Features

Wavelength: 650nm (visible red light)
Laser Power: Up to 5mW (milliwatts)
Beam Diameter: Approximately 1.5mm (at a distance of 100mm)
Beam Divergence: Less than 10
Operating Voltage: 5V DC
Operating Current: Up to 50mA
Package Size: 6mm diameter, 15mm length
Weight: Approximately 1.5 grams
Durability: Rugged construction with a metal casing and glass window
Environmental Operating Range: -20C to +60C (-4F to +140F)

Electrical Characteristics

Forward Voltage

2.2V (typical), 2.5V (maximum)

Forward Current

20mA (typical), 50mA (maximum)

Reverse Voltage

5V (maximum)

Optical Characteristics

Peak Wavelength

650nm

Spectral Width

Typical 10nm, maximum 20nm

Beam Uniformity

10%

Application Ideas

Robotics and Automation: Use the laser module as a sensor or navigation aid in robotics, automation, and AGV (Automated Guided Vehicle) applications.
Optical Sensing: Employ the laser module in optical sensing applications, such as object detection, proximity sensing, and triangulation.
Illumination: Utilize the laser module as a concentrated light source in various illumination applications, including stage lighting, display lighting, and optical communication systems.
Medical and Scientific Research: Leverage the laser module's precision and compact design in medical and scientific research applications, such as microscopy, spectroscopy, and material processing.

Precautions and Safety Considerations

Handle the laser module with care to avoid damage to the sensitive optical components.

Wear protective eyewear when working with the laser module to avoid eye damage.

Ensure proper heat sinking and thermal management to prevent overheating.

Follow proper safety protocols when working with electrical and optical components.

By providing a detailed description of the 650nm 6mm 5V DC Mini Laser Dot Diode Module, this documentation aims to equip users with a comprehensive understanding of the component's functionality, key features, and application possibilities, ensuring safe and effective integration into their IoT projects.

Pin Configuration

Component Documentation: 650nm 6mm 5V DC Mini Laser Dot Diode Module
Pinouts:
The 650nm 6mm 5V DC Mini Laser Dot Diode Module has 3 pins, which are clearly labeled on the module. Here's a detailed explanation of each pin:
Pin 1: VCC (Positive Power Supply)Pin
Function: Provides a positive voltage supply to the laser diode module.
Voltage: 5V DC (Recommended operating voltage)
Note: Connect this pin to a 5V DC power source, such as a battery or a voltage regulator.
Pin 2: GND (Ground) Pin
Function: Provides a ground reference point for the laser diode module.
Note: Connect this pin to the negative terminal of the power source (GND) or to a common ground point in your circuit.
Pin 3: LD (Laser Diode) Pin
Function: Controls the laser diode module's output. When a logical high signal is applied to this pin, the laser diode turns on, and when a logical low signal is applied, the laser diode turns off.
Note: Connect this pin to a digital output pin of a microcontroller or a transistor switch to control the laser diode module.
Connection Structure:
To connect the pins of the 650nm 6mm 5V DC Mini Laser Dot Diode Module, follow this step-by-step guide:
1. Power Connection:
Connect Pin 1 (VCC) to a 5V DC power source, such as a battery or a voltage regulator.
Ensure the power source is stable and regulated to avoid damaging the laser diode module.
2. Ground Connection:
Connect Pin 2 (GND) to the negative terminal of the power source (GND) or to a common ground point in your circuit.
3. Control Connection:
Connect Pin 3 (LD) to a digital output pin of a microcontroller or a transistor switch.
Use a suitable resistor or current-limiting component, if necessary, to prevent damage to the laser diode module.
Important Notes:
Always handle the laser diode module with care, as it can be damaged by static electricity or excessive voltage.
Ensure proper heat dissipation for the module, as it can generate heat during operation.
Follow proper safety precautions when working with laser modules, including wearing protective eyewear and avoiding direct exposure to the laser beam.
By following these guidelines, you can safely and effectively connect and use the 650nm 6mm 5V DC Mini Laser Dot Diode Module in your IoT projects.

Code Examples

Component Documentation: 650nm 6mm 5V DC Mini Laser Dot Diode Module

Overview

The 650nm 6mm 5V DC Mini Laser Dot Diode Module is a compact and low-power laser diode module suitable for various IoT projects, such as robotics, automation, and optical sensing applications. This module operates at a wavelength of 650nm, producing a visible red dot, and is powered by a 5V DC supply.

Pinout

The module has three pins:

VCC (5V DC power supply)
 GND (ground)
 Laser Output (anode)

Technical Specifications

Wavelength: 650nm (visible red light)
 Output Power: 1-5mW
 Operating Voltage: 5V DC
 Operating Current: 20-50mA
 Dimension: 6mm x 6mm x 12mm
 Weight: 2g

Code Examples

### Example 1: Basic Laser Control using Arduino

In this example, we will use an Arduino board to control the laser module. We will connect the laser module to digital pin 13 of the Arduino board, which will act as the output pin.

```c++
const int laserPin = 13;  // Choose any digital pin on your Arduino board

void setup() {
  pinMode(laserPin, OUTPUT);
}

void loop() {
  digitalWrite(laserPin, HIGH);  // Turn the laser on
  delay(1000);                  // Wait for 1 second
  digitalWrite(laserPin, LOW);   // Turn the laser off
  delay(1000);                  // Wait for 1 second
}
```

### Example 2: Laser Distance Measurement using Raspberry Pi and Python

In this example, we will use a Raspberry Pi board to measure the distance using the laser module and a photodiode sensor. We will connect the laser module to GPIO pin 17 and the photodiode sensor to GPIO pin 23.

```python
import RPi.GPIO as GPIO
import time

GPIO.setmode(GPIO.BCM)

laserPin = 17
sensorPin = 23

GPIO.setup(laserPin, GPIO.OUT)
GPIO.setup(sensorPin, GPIO.IN)

try:
    while True:
        GPIO.output(laserPin, GPIO.HIGH)  # Turn the laser on
        time.sleep(0.1)                  # Wait for 0.1 seconds
        sensorState = GPIO.input(sensorPin)
        if sensorState:
            print("Object detected!")
        else:
            print("No object detected!")
        GPIO.output(laserPin, GPIO.LOW)   # Turn the laser off
        time.sleep(0.1)                  # Wait for 0.1 seconds
except KeyboardInterrupt:
    GPIO.cleanup()
```

Note: In the above examples, make sure to connect the laser module to a suitable power supply (5V DC) and follow proper safety precautions when working with laser modules.

Safety Precautions

Always handle the laser module with care, as direct exposure to the laser beam can cause eye damage.
 Use protective eyewear when working with laser modules.
 Ensure proper ventilation and avoid overheating the laser module.
 Follow all safety guidelines and regulations when using laser modules in your projects.