{"product_id":"hc-020k-speed-measuring-sensor-module-photoelectric-encoder-kit-arduino","title":"HC-020K Photoelectric Speed Sensor Module Kit for Arduino","description":"\u003ch2\u003eHC-020K Double Speed Measuring Sensor Module with Photoelectric Encoder Kit\u003c\/h2\u003e\n\u003cp\u003eThe HC-020K Speed Measuring Sensor Module is a precision photoelectric encoder kit designed for Arduino projects and electronics prototyping. Whether you're building a robotics system, a motor controller, or a speed-monitoring circuit, this compact and reliable module delivers accurate rotational and linear speed measurement with ease.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble Speed Measurement:\u003c\/strong\u003e Supports dual-channel speed detection for precise directional and velocity readings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhotoelectric Encoder Technology:\u003c\/strong\u003e Uses optical sensing for clean, noise-resistant switching output — ideal for high-accuracy Arduino projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitching Transducer Output:\u003c\/strong\u003e Delivers a clean digital switching signal compatible with most microcontrollers, including Arduino boards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetal Construction:\u003c\/strong\u003e Durable metal build ensures longevity and stable performance in various environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Plug-and-play compatibility with Arduino makes setup straightforward for beginners and experienced makers alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Versatile:\u003c\/strong\u003e Small form factor fits easily into robotics, conveyor systems, and DIY electronics builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HC-020K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Type:\u003c\/strong\u003e Switching Transducer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensing Method:\u003c\/strong\u003e Photoelectric (Capacitance Sensor)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Speed Sensor \/ Encoder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e Arduino and most standard microcontrollers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × HC-020K Speed Measuring Sensor Module\u003c\/li\u003e\n  \u003cli\u003ePhotoelectric Encoder Kit components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is perfect for hobbyists, students, engineers, and makers who need reliable speed feedback in their projects. Compatible with a wide range of Arduino boards, it's an essential component for robotics, automation, motor control, and DIY electronics experiments.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the HC-020K Speed Sensor Module compatible with Arduino boards?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The HC-020K photoelectric encoder module is designed for seamless compatibility with Arduino and most standard microcontrollers. Its switching transducer output delivers a clean digital signal that integrates easily with Arduino sketches and libraries.\u003c\/p\u003e\n\u003ch4\u003eQ: What type of measurement does this speed sensor module support?\u003c\/h4\u003e\n\u003cp\u003eA: The HC-020K supports double (dual-channel) speed measurement, allowing it to detect both rotational speed and direction. It uses photoelectric sensing technology for accurate, noise-resistant readings — ideal for motor control, robotics, and conveyor monitoring applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What is included in the HC-020K kit?\u003c\/h4\u003e\n\u003cp\u003eA: The kit includes one HC-020K speed measuring sensor module along with the photoelectric encoder kit components needed to get started with your Arduino or microcontroller project right away.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the HC-020K Speed Sensor Module compatible with Arduino boards?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The HC-020K photoelectric encoder module is designed for seamless compatibility with Arduino and most standard microcontrollers. 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