Description
LM393 Motor Speed Measuring Sensor Module – MOD-QC0475
The LM393 Motor Speed Measuring Sensor Module – MOD-QC0475 is a compact and efficient sensor designed to measure the rotational speed of motors and rotating objects. It works using an infrared transmitter and receiver pair that detects interruptions when a rotating disc or object passes between the sensor gap.
The module is built around the LM393 voltage comparator IC, which provides a clean digital output signal that can easily be read by microcontrollers such as Arduino, ESP32, ESP8266, Raspberry Pi, and other development boards. This makes it ideal for robotics, motor control systems, and DIY electronics projects.
The sensor is commonly used with a slotted disc or encoder wheel. As the disc rotates, the sensor detects each slot passing through the infrared beam, allowing the microcontroller to calculate the motor’s speed (RPM).
Key Features:
- Based on LM393 comparator IC
- Infrared optical detection for accurate speed measurement
- Digital output signal for microcontroller interfacing
- Fast response and reliable detection
- Compact and lightweight design
- Easy integration with Arduino and other development boards
Applications:
- Motor speed measurement (RPM calculation)
- Robot wheel speed detection
- Rotational object monitoring
- Encoder-based motor control systems
- Automation and robotics projects
- Electronics learning and experimentation
The LM393 Motor Speed Measuring Sensor Module – MOD-QC0475 is an excellent choice for projects requiring accurate motor speed detection and real-time rotational monitoring in embedded and robotics systems.
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