The KY-008 is a 650nm red laser transmitter module that emits a fine, bright dot, ideal for laser tripwires, alignment and beam experiments.
- 650nm red laser, 5V operation, ~5mW output
- 3-pin interface, easy to drive from any Arduino digital pin
- Pairs with an LDR or laser-receiver for tripwire alarms
- Perfect for STEM, security and optics projects




