10 mm Arduino RPM Sensor The 10 mm Arduino RPM Sensor is a compact, reliable rotational speed measuring module built for motor control, robotics, and industrial automation. Using an infrared (IR) reflective sensor, it detects the rotation of a marked surface or encoder disc to calculate real-time revolutions per minute (RPM) with excellent accuracy. This makes it perfect for DIY electronics, IoT devices, and embedded systems that need precise speed feedback. �� Key Features 10 mm Infrared Sensor Head: Compact design fits tight spaces and small motor assemblies. High RPM Accuracy: Stable signal output suitable for closed-loop motor control. Arduino & Raspberry Pi Ready: Direct interface with digital I/O pins for easy integration. Adjustable Sensitivity: Potentiometer on board for fine-tuning detection distance. Onboard Indicator LED: Visual confirmation of object detection and signal output. �� Technical Specifications Sensor Type: Infrared reflective optical sensor Detection Distance: ~0.5 cm – 2 cm (adjustable) Operating Voltage: 3.3 V – 5 V DC Output Signal: Digital (TTL level, HIGH/LOW) Sensor Head Diameter: 10 mm Response Time: <2 ms for high-speed measurement Interface Pins: VCC, GND, OUT Operating Temperature: –20 °C to 85 °C �� Applications & Use Cases Motor RPM Measurement for robotics and automation. 3D Printer & CNC Machines to monitor spindle speed. IoT Monitoring Systems requiring real-time rotation data. DIY Drones & RC Vehicles for propeller or wheel speed sensing. Educational Projects demonstrating sensors, interrupts, and feedback loops. �� Advantages for Makers & Engineers Plug-and-play with Arduino boards, ESP32, or Raspberry Pi. Works with Electronics Components such as motor drivers and encoders. Low power consumption and robust build for continuous operation. �� Safety & Precautions Ensure a clean, reflective target surface for consistent detection. Avoid strong ambient IR light or sunlight directly on the sensor. Use a regulated Power Supply to maintain signal stability. �� Helpful Internal Links Explore more Electronics Components for robotics projects. Get compatible controllers from Arduino and Accessories. Find assembly tools in Tools and Accessories. �� Video Tutorial [YouTube tutorial link here] �� Product Summary The 10 mm Arduino RPM Sensor provides accurate, high-speed rotational measurement for motors, wheels, and spindles. Its infrared reflective design and easy microcontroller interface make it perfect for robotics, IoT, CNC machines, and educational electronics.
