{"product_id":"e-bike-hall-sensor-pcb-board-502f-3144-rpm-controller","title":"E-Bike Hall Sensor PCB Board – 502F 3144 \u0026 RPM Controller","description":"\n\u003ch2\u003eE-Bike Hall Sensor PCB Board – 502F \/ 3144 \u0026amp; RPM Sensor Controller\u003c\/h2\u003e\n\u003cp\u003eKeep your electric bike running at peak performance with this high-quality PCB board designed for e-bike motor controller systems. Compatible with 502F and 3144 Hall sensors, this board accurately detects magnetic field changes and wheel\/motor RPM, ensuring smooth motor commutation, reliable speed sensing, and responsive controller operation. Whether you're repairing a faulty controller or upgrading your e-bike's electronics, this is the precise replacement component you need.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Compatibility:\u003c\/strong\u003e Works with 502F and 3144 Hall effect sensors for broad e-bike controller support.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRPM Sensing:\u003c\/strong\u003e Accurately measures motor revolutions per minute for smooth speed control and efficient power delivery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Pressure Rated:\u003c\/strong\u003e Built to handle the electrical demands of e-bike motor controllers with reliable performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality PCB Construction:\u003c\/strong\u003e Green PCB board crafted from quality materials for long-lasting durability and stable signal output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Designed as a drop-in replacement for compatible e-bike controller boards — no major modifications needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Easy to install within existing e-bike controller housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Sensors:\u003c\/strong\u003e 502F Hall Sensor, 3144 Hall Sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Hall Effect Detection \u0026amp; RPM Sensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 × PCB Board\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Please allow a 2–3% dimensional variance due to manual measurement. Actual product color may vary slightly from images due to differences in screen calibration.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\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  \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\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What e-bike controllers are compatible with this Hall sensor PCB board?\u003c\/h4\u003e\n\u003cp\u003eA: This PCB board is designed to work with e-bike motor controllers that use 502F or 3144 Hall effect sensors. It is suitable for most standard brushless DC e-bike motor controller configurations that require Hall effect position sensing and RPM detection. We recommend verifying your existing controller's sensor type before purchasing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the purpose of the Hall sensor and RPM sensor on this board?\u003c\/h4\u003e\n\u003cp\u003eA: The Hall effect sensors (502F and 3144) detect the magnetic rotor position in a brushless e-bike motor, allowing the controller to commutate the motor phases correctly for smooth and efficient operation. The RPM sensor component monitors motor speed, enabling accurate speed control and display readings.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this PCB board easy to install?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This board is designed as a direct replacement component for compatible e-bike controller systems. Basic electronics knowledge and familiarity with your e-bike's controller wiring is recommended. Ensure power is fully disconnected before installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Each package contains 1 × E-Bike Hall Sensor PCB Board (502F \/ 3144 compatible with RPM sensing). No additional accessories are included.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What e-bike controllers are compatible with this Hall sensor PCB board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This PCB board is designed to work with e-bike motor controllers that use 502F or 3144 Hall effect sensors. It is suitable for most standard brushless DC e-bike motor controller configurations that require Hall effect position sensing and RPM detection. 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