{"product_id":"hc-020k-optical-encoder-speed-sensor-module","title":"HC-020K Optical Encoder Speed Sensor Module","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMeasure motor speed, rotation, and position accurately with the HC-020K Optical Encoder Module. This compact infrared-based speed sensor generates digital pulse signals as a slotted encoder wheel rotates through its optical slot, making it ideal for robotics, motor control, STEM projects, automation systems, and DIY electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe HC-020K is widely used with Arduino, ESP32, STM32, Raspberry Pi, and other microcontrollers for RPM measurement, wheel odometry, speed feedback, and closed-loop motor control applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHigh-precision optical speed sensing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInfrared slot-type encoder technology\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDigital pulse output for easy microcontroller interfacing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with Arduino, ESP32, STM32, PIC, and Raspberry Pi\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for robotics, automation, and educational projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFast response with stable pulse detection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact design with mounting holes for easy installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eModel: HC-020K\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOperating Voltage: 3.3V – 5V DC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput Type: Digital Pulse Signal (TTL)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDetection Method: Infrared Optical Interrupt\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEncoder Resolution: 20 Slots\/Lines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaximum Measurement Frequency: 100 kHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSlot Width: Approximately 5 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisc Diameter: 24 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisc Inner Diameter: 4 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOperating Temperature: -40°C to +85°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInterface: VCC, GND, OUT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eMotor RPM measurement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRobot wheel encoders\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpeed feedback systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePosition and motion tracking\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIY robotics projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSTEM and educational experiments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIndustrial automation prototypes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K-TECHNICS","offers":[{"title":"Default Title","offer_id":42869793816647,"sku":null,"price":800.0,"currency_code":"KES","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/7637\/2039\/files\/HC_020K_1.jpg?v=1781189685","url":"https:\/\/www.ktechnics.com\/products\/hc-020k-optical-encoder-speed-sensor-module","provider":"K-TECHNICS","version":"1.0","type":"link"}