A
Anonymous
Apr 15, 2026
Rating: 3/5
Watch your eyes
Works well but wish there was a warning label on the module itself. Be careful.
Description
KEYES 5V Laser Head Sensor Module Laser Tube Compatible with Arduino Raspberry Pi micro:bit Eco-Friendly
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 5V DC |
| Laser Wavelength | 650nm (Red) |
| Interface Type | 3-Pin GPIO (GND, VCC, SIG) |
| Module Dimensions | 45mm x 12mm x 10mm |
| Net Weight | 8 grams |
| PCB Material | FR-4 Fiberglass |
| Compatibility | Arduino, Raspberry Pi, micro:bit |
| Working Current | < 40mA |
| Beam Type | Fixed Focus Dot |
| Package Includes | 1x Module, 1x Dupont Wire |
5 reviews
A
Anonymous
Mar 18, 2026
Rating: 5/5
Raspberry Pi Compatible
Connected to GPIO pin 17 without issues. Very stable output.
A
Anonymous
Feb 10, 2026
Rating: 5/5
Reliable sensor module
Used for a line follower project. Consistent performance over weeks.
A
Anonymous
Feb 06, 2026
Rating: 5/5
Perfect for my robot
Works great with my Arduino Uno. Bright enough for indoor signaling projects.
A
Anonymous
Feb 04, 2026
Rating: 4/5
Good value
Easy to wire up. Gets a bit warm after 10 minutes of continuous use.
5 FAQ
Q: What is the beam distance?
A: Visible dot up to 5 meters in dark conditions.
Q: Can I leave this on all night?
A: We recommend limiting continuous operation to prevent overheating.
Q: Is this safe for children?
A: Adult supervision is required. Lasers can cause eye injury if misused.
Q: Can I adjust the focus?
A: No, this model has a fixed focus lens.
Q: Does it work with 3.3V logic?
A: Yes, but ensure the signal pin is compatible with your board voltage.
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