The 20-Grids Disc Wheel Encoder for BO Motor is a slotted encoder disc designed to measure the rotation of a BO (Battery Operated) geared DC motor when used with a compatible optical encoder sensor. It features 20 slots or grids distributed around the disc, allowing a sensor to detect rotational movement and generate pulses that can be used to estimate motor speed and wheel rotation.
This encoder disc is useful for robotics projects that require motor feedback for speed measurement, distance estimation, and movement control. When paired with an appropriate infrared or optical sensor module, it enables a microcontroller such as an Arduino, ESP32, or Raspberry Pi to count pulses generated as the disc rotates.
The 20-grid design provides multiple detection points per revolution, making it suitable for basic feedback systems in educational robots, line-following robots, and small autonomous vehicles. By counting the detected pulses over time, a controller can estimate rotational speed and, with suitable wheel and gearbox calibration, calculate approximate travel distance.
Designed for use with compatible BO motors and encoder assemblies, this disc is a practical component for robotics experiments, motor monitoring, and closed-loop control projects. The disc dimensions, shaft mounting arrangement, and sensor compatibility should be checked before installation to ensure proper alignment and reliable pulse detection.
20-slot or 20-grid encoder disc design
Designed for compatible BO motor encoder assemblies
Enables motor rotation and speed measurement with a suitable sensor
Supports pulse counting for rotational feedback
Useful for distance estimation when combined with wheel calibration
Suitable for Arduino, ESP32, and other compatible controller projects
Ideal for educational robotics and DIY automation
Can support closed-loop motor speed control
Lightweight design for small robotic platforms
Requires a compatible optical or infrared sensor for pulse detection
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