The Laser Emit Module Laser is widely used in medical treatment, military, and other fields due to its good directivity and energy concentration. The Laser Transmitter module (as shown below), as the name suggests, is a one that can emit laser.
diodes and modules are available in various sizes and shapes. For example, a 3V to 5V DC, 5mW laser module is available in a metal case (Fig. 1). It produces a laser of about
650nm wavelength and a tiny red dot. It comes with three 1.5V button cells. Remove the cells and connect two wires: the positive wire to its body and the negative to the spring inside it. Connect the positive terminal to any one of the digital pins of Arduino board, and the negative wire to GND pin. Write a simple sketch (software) to turn on/off the laser torch through Arduino board.
Features of Laser Emit sensor
- Operating Voltage 5V
- Output Power 5mW
- Wavelength 650nm
- Operating Current less than 40mA
- Working Temperature -10°C ~ 40°C [14°F to 104°F]
- Dimensions 18.5mm x 15mm [0.728in x 0.591in
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