LASER DIODE 9MM, 3.5V-5.5VDC, RED POINTED

LASER DIODE 3.5V-5.5VDC RED
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PID# 5609

CA$5.50 EACH
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Description

Specifications:

Product Name: Laser small steel head (red light)

Emission Power: 5mW

Working Life: More than 1000 hours

Spot Pattern: Dot spot

Laser Wavelength: 650nm

Power: 50mW

Voltage: 3V-5V

Current: <20mA

Working Temperature: -36°C to 65°C

Storage Temperature: -36°C to 65°C

Spot Size: At 15 meters, the spot is 10mm to 15mm

  • Mainly used for laser toys, various level meters, and ground wire meters. This laser head is composed of three parts: a light-emitting core, a focusing lens, and an adjustable copper sleeve. When delivered to the user, these three parts are already assembled, the focal length is adjusted, and it can work by connecting a 3V DC power supply.
  • Theoretically, in ideal conditions (no dust, no smoke, no obstructions), the transmission distance of the laser is infinite. When the air quality is high, and the working current is 20MA, the transmission distance can reach over 1KM. On an ordinary cloudy night, objects more than 200 meters away are clearly visible. For closer distances, even under the daytime sun, it is clearly visible on outdoor roads and buildings.
  • Making an electronic pointer pen: When the teacher is lecturing, use the laser to project a point to draw students' attention and encourage them to observe and think.
  • Electronic level ruler: Let the motor drive the head to rotate or twist, projecting a straight line on the wall for reference during decoration or when putting up New Year pictures.
  • Miniature LCD projector: Remove the focusing lens, and let the laser pass through a controllable LCD screen to produce a clear projection on the wall.
  • Long-distance laser listening device: Let the laser shine on the glass of the room being eavesdropped on, then receive the laser beam reflected back by the glass, detect the vibration of the glass, and restore the sound in the room.
  • Long-distance light-controlled anti-theft alarm: Install a laser-emitting tube and a photoresistor in one corner of a fish pond or watermelon field that needs protection, and install a mirror on the other three corners to form a protected area.
  • Long-distance laser wireless communication: Use a pair of laser transceivers facing each other in two distant rooms, and use the serial communication protocol of a single-chip microcomputer to send and receive files, or even connect to the internet.

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