LM393 Test Motor Speed Counter Sensor Groove Coupler Encoder Module

LM393 Speed Sensor Module – Motor Speed Counter & Encoder with Groove Coupler

Product Overview:
The LM393 Motor Speed Sensor Module is a compact and efficient solution for measuring motor rotation speed and position in electronics and robotics projects. Featuring a groove coupler (optical slot), ... this encoder module detects object passage using infrared light interruption and converts it into a clean digital signal via the LM393 comparator chip. It's ideal for speed counting, rotational feedback, and automation tasks.

Key Features:

✅ High-Precision Speed Measurement – Perfect for DC motors and robotics

✅ LM393 Dual Comparator Chip – Stable and accurate output signals

✅ Infrared Groove Coupler – Detects movement with high sensitivity

✅ Digital Output – Clean pulse signals for microcontroller input

✅ Wide Compatibility – Works with Arduino, Raspberry Pi, STM32, and other dev boards

Applications:

Motor RPM measurement

Encoder feedback for robotics

Line counting in automation systems

Obstacle/object detection

DIY electronics projects and learning kits

Specifications:

Chip: LM393

Output Type: Digital (High/Low pulse)

Voltage Range: 3.3V – 5V

Slot Width: Approx. 5mm

Mounting Holes: For easy installation

Compatible With: Arduino, AVR, PIC, STM32, Raspberry Pi

💡 Why Buy This Module?
Whether you're building a robot, automating a conveyor, or developing a smart system, the LM393 Speed Sensor Module delivers reliable, real-time feedback—making your project smarter and more responsive.