IR Laser Module TO18 780nm 5mW Diode Laser

Description

What it is

The IR TO18 laser module with a wavelength of 780nm and power of 5mW is a component used to generate infrared light. This module is ideal for projects requiring the generation of optical signals in the infrared band.

Features

• Wavelength: 780nm
• Power: 5mW
• Type: IR Laser Module TO18

What it is for

The IR laser module is suitable for measurement and detection applications, sensor projects, and infrared lighting. It is compatible with Arduino and can be used in various scenarios such as creating a simple laser timer that turns the laser on and off every second.

Tutorial: How to Use IR Laser Module TO18

The IR Laser Module TO18 is a component used to generate infrared light. Suitable for sensor and infrared lighting projects.

What you need

• IR Laser Module TO18
• Arduino
• Protection Resistor
• 2 Pin Connector

Steps

1. Check the datasheet for laser specifications.
2. Mount the module on a protoboard.
3. Connect the module to the VCC and GND pins of the Arduino.
4. Insert a protection resistor between VCC and the module output.
5. Connect the module output to a pin on the Arduino.
6. Load an Arduino code to control the laser state.
7. Test the module by connecting it to a digital display to check the output.
8. Check the laser safety.

Example code

```void setup() {  pinMode(2, OUTPUT);}void loop() {  digitalWrite(2, HIGH);  delay(1000);  digitalWrite(2, LOW);  delay(1000);}```

Mini project

Create a simple laser timer that turns the laser on and off every 1 second.

Common mistakes

• Do not use the laser directly without protections.
• Do not connect the laser directly to VCC without a resistor.
• Do not expose eyes directly to the laser.
• Do not use the laser for long-distance communication.

Recommended accessories

• 510 ohm resistor
• Digital display
• Protection pair for Arduino

Frequently asked questions

Is the laser safe to use?
Always use protections and do not expose eyes directly to the laser.

Which specifications to check on the datasheet?
Check the power, frequency, and safety of the laser.

Can I use the laser for communication?
No, use the laser only for infrared illumination.

Which resistors to use?
Check the datasheet for the required protection resistor.