KY-008 Red Laser Dot Transmitter Module

The KY-008 Red Laser Dot Transmitter Module is a compact, three-pin electronics component designed to emit a small, intense, focused red laser beam. It is heavily used in DIY microcontroller projects for tasks like security tripwires, optical barriers, and basic object positioning.

Technical Specifications

• Operating Voltage: 5V DC
• Operating Current: Less than 40 mA (typically ~30 mA)
• Output Power: 5 mW
• Wavelength: 650 nm (Visible Red Light)
• Beam Shape: Dot / Spot
• Onboard Components: 6mm laser diode head and a current-limiting resistor