This 3-Pin Laser Diode PCB Module (650 nm, red laser, TTL-controllable) is a highly affordable, plug-and-play solution used in DIY electronics, robotics, positioning tools, and laser pointers. You can control it via microcontrollers like Arduino or ESP32 using the third “S” pin (high = laser ON) — ideal for prototyping and learning.

3-Pin 650 nm Laser Diode PCB Module – Affordable & Easy to Use

Why Choose This Module?

• Ultra-Low Cost — Just ₹39

• Simple 3-Pin Interface (GND, 5V, Control/TTL)

• Ready-to-Use PCB Form Factor

:Technical Specifications
: Applications & DIY Use Cases
: Price Comparison & Value Analysis
: Safety Tips & Usage Guidance

Specifications & Highlights:

• Wavelength: 650 nm red laser (visible beam)

• Power: Standard ~5 mW (typical module spec)

• Pins:

  • Pin 1: Ground (GND)

  • Pin 2: 5 V Power Input

  • Pin 3: Signal / Control (TTL high = ON) embeddinator.com

• Power Supply: 5 V DC — can be driven by USB or microcontroller boards

• Module Price: ₹39 (discounted from MRP ₹55—~29% off)

Versatile Applications:

• DIY laser pointers, toys, and educational tools

• Object detection and alignment in robotics or CNC

• Medical positioning systems and laser test devices

• Leveling tools, signal indicators, and hobbyist visual effects

Safety Advisory: This is not a toy. Use with caution and wear appropriate eye protection, especially when using invisible or high-power lasers

GUIDE PDF | TRY THIS | TIPS&TUTORIAL