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650nm 5V red laser diode module HW-493 cylindrical body with wire leads front view
Laser module HW-493 showing 135mm wire leads and red dot output close up
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650nm 5V red laser diode module HW-493 cylindrical body with wire leads front view
Laser module HW-493 showing 135mm wire leads and red dot output close up

650nm 5V Red Laser Diode Module HW-493

SKU: SEN-LC011

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Key Highlights

  • Transmit power of 58mW produces a bright focused dot for project use
  • Runs at 3V to 5V DC so Arduino and ESP boards power it directly
  • Operating current of 40mA stays safe for standard GPIO power pins
  • Built-in APC driver circuit keeps output power stable automatically
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Description

The Laser Diode Module emits a focused red dot at 650nm (nanometres, a unit of light wavelength) with 58mW transmit power. It runs on 3V to 5V DC and draws only 40mA, so a standard Arduino supply handles it without any issue. The laser diode module hw493 has a built-in APC (automatic power control) driver that keeps brightness stable even when supply voltage fluctuates slightly.

One honest limitation is that the 58mW output is stronger than basic 5mW modules, so never point it directly at eyes. The wire length is approximately 135mm, which reaches most project boards easily. Students and makers buy this 5V laser light module for target detection, distance sensing, and alignment builds. Connect red to 5V and black to GND and the dot appears instantly. StemVolt provides this sensor with trusted quality, ensuring reliable performance and easy usability.

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Features:

  • Wavelength of 650nm produces a bright visible red dot for clear beam targeting
  • Operates at 3V to 5V DC allowing connection to Arduino, ESP32, or USB power directly
  • Operating current of 40mA suits direct connection to a regulated 5V supply line
  • Wire length of approximately 135mm reaches project boards without extension

Technical Specifications:

Specification Details
Operating Voltage 3V – 5V DC
Wavelength 650nm Red
Transmit Power 58mW
Operating Current 40mA
Driver Circuit APC Driver
Line Length Approx. 135mm

Applications:

  • A laser pointer project uses this to mark a precise red dot on a target surface
  • 650nm laser module measures distance by timing the reflection from a nearby surface
  • A robot project reads beam position with a photodetector and steers toward a target

Package Includes:

  • 1 x Laser Diode Module
1. How long does delivery take?

Most orders are delivered within 3–7 working days, depending on your location. Remote areas may take slightly longer, but we always aim for fast and reliable delivery.

2. What should I do if I receive a damaged product?

If you receive a damaged or defective product, please contact us within 24 hours and share an unboxing video. Our team will quickly verify and arrange a replacement.

3. Do you provide technical support for products?

Yes, STEMVOLT provides basic technical support for most DIY kits, sensors, and electronic components to help you use the product smoothly and without confusion.

4. Is payment on STEMVOLT secure?

Yes, all payments on STEMVOLT are processed through secure and encrypted payment gateways. Your personal and payment information remains completely safe and protected at all times.

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