{"product_id":"parallax-ft90b-ft90r-digital-micro-servo-3v","title":"Parallax FT90B \/ FT90R Digital Micro Servo -  3V","description":"\u003cmeta name=\"description\" content=\"Buy Parallax FT90B \/ FT90R Digital Micro Servo -  3V online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eParallax FT90B \/ FT90R Digital Micro Servo -  3V\u003c\/h1\u003e\n\n\u003cp\u003eThe Parallax FT90B \/ FT90R Digital Micro Servo is a compact, high-precision servo motor operating at 3V, designed for robotics, automation, and embedded systems applications requiring precise angular positioning. Professional engineers and hobbyists rely on this servo for projects demanding accurate control in space-constrained environments, from quadcopter stabilization to robotic arm articulation. This digital micro servo solves the critical challenge of delivering reliable torque and positional accuracy in miniaturized applications where traditional servos are too large or power-hungry.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Parallax FT90B \/ FT90R operates on digital control signals, utilizing a pulse-width modulation (PWM) input to achieve precise angular positioning across its operating range. Unlike analog servos, the digital architecture provides superior resolution, faster response times, and improved holding torque consistency. The 3V operating voltage makes it ideal for battery-powered robotics projects and microcontroller-based systems, while the micro form factor allows integration into compact mechanical assemblies without compromising performance or reliability.\u003c\/p\u003e\n\n\u003cp\u003eThis servo employs a coreless motor design coupled with a precision gearbox, delivering smooth operation with minimal cogging. The digital feedback mechanism continuously monitors position and adjusts motor current to maintain exact commanded angles, making it exceptionally stable under varying load conditions. The sealed gear train and reinforced servo horn mounting points ensure durability in field applications, while the standard three-wire interface (power, ground, signal) simplifies integration with Arduino, Raspberry Pi, and other microcontroller platforms.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital Micro Servo Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eParallax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Type\u003c\/td\u003e\n\u003ctd\u003eDigital PWM (1000-2000 microseconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque Output\u003c\/td\u003e\n\u003ctd\u003e1.5 kg-cm at 3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Speed\u003c\/td\u003e\n\u003ctd\u003e0.12 seconds per 60 degrees at 3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Travel Range\u003c\/td\u003e\n\u003ctd\u003e180 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e23 x 12 x 29 mm (compact micro form factor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e9 grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eStandard 3-pin servo connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDigital Control Architecture: Delivers superior positional accuracy and repeatability compared to analog servos, with resolution of 1 degree or better across the full 180-degree travel range\u003c\/li\u003e\n\u003cli\u003eUltra-Compact Micro Design: At just 23mm width and 9 grams, integrates seamlessly into miniaturized robotics projects, drone payloads, and space-constrained mechanical systems\u003c\/li\u003e\n\u003cli\u003e3V Low-Voltage Operation: Directly compatible with lithium-ion batteries and microcontroller logic levels, reducing power supply complexity and extending battery runtime in portable applications\u003c\/li\u003e\n\u003cli\u003eFast Response Time: 0.12-second positioning speed enables real-time control for dynamic applications like quadcopter stabilization and robotic arm movement\u003c\/li\u003e\n\u003cli\u003eSealed Gear Train: Metal gears with protective housing resist dust and moisture, ensuring reliable operation in field conditions and outdoor robotics projects\u003c\/li\u003e\n\u003cli\u003eStandard Servo Interface: Three-wire PWM control simplifies integration with Arduino, Raspberry Pi, PIC microcontrollers, and embedded Linux systems\u003c\/li\u003e\n\u003cli\u003eHolding Torque: 1.5 kg-cm provides sufficient force to maintain position against moderate external loads without continuous power draw\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eQuadcopter and Drone Control: Precision servo for camera gimbal stabilization, payload release mechanisms, and flight surface adjustments in UAV systems\u003c\/li\u003e\n\u003cli\u003eRobotic Arm Articulation: Joint actuation in 4-DOF and 6-DOF robotic arms for pick-and-place automation, laboratory automation, and educational robotics platforms\u003c\/li\u003e\n\u003cli\u003eAutonomous Vehicle Steering: Steering servo for small autonomous ground vehicles, line-following robots, and obstacle-avoidance platforms in embedded systems coursework\u003c\/li\u003e\n\u003cli\u003ePan-Tilt Camera Mounts: Dual-servo configurations for motorized camera positioning in surveillance systems, time-lapse photography rigs, and automated video capture applications\u003c\/li\u003e\n\u003cli\u003eMechanical Lock Systems: Precise positioning for electronic door locks, automated gates, and access control mechanisms requiring reliable positioning repeatability\u003c\/li\u003e\n\u003cli\u003e3D Printer Extruder Control: Filament feed mechanism actuation for precision 3D printing applications requiring accurate material deposition control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eConnect the Parallax FT90B \/ FT90R servo using the standard three-wire interface: red wire to positive 3V power supply, black wire to ground, and yellow\/white signal wire to your microcontroller PWM output pin. Ensure your power supply can deliver at least 500mA continuous current to prevent voltage sag during rapid movements. Before connecting to your control system, verify that your microcontroller operates at 3.3V or 5V logic levels; if using 5V logic, insert a simple voltage divider (10k and 20k resistors) on the signal line to protect the servo's internal circuitry.\u003c\/p\u003e\n\n\u003cp\u003eConfigure your microcontroller to generate PWM signals with a 50Hz frequency (20-millisecond period). Send pulse widths between 1000 and 2000 microseconds to command servo positions: 1000 microseconds positions the servo at 0 degrees, 1500 microseconds centers it at 90 degrees, and 2000 microseconds moves it to 180 degrees. For Arduino platforms, use the Servo.h library; for Raspberry Pi, utilize the RPi.GPIO or pigpio libraries. Always implement smooth ramping in your control code to avoid abrupt movements that could damage mechanical components or exceed current limits. Test servo operation with no mechanical load attached before integrating into your final application.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the FT90B and FT90R variants?\u003c\/summary\u003e\n\u003cp\u003eThe FT90B features a standard servo horn for general-purpose applications, while the FT90R includes a round horn design optimized for continuous rotation applications. Both share identical electrical specifications and 3V operating voltage. Choose FT90B for standard positioning tasks and FT90R for applications requiring smooth rotational motion with position feedback.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I operate this servo at 5V instead of 3V?\u003c\/summary\u003e\n\u003cp\u003eThe Parallax FT90B \/ FT90R is rated specifically for 3V operation. Operating at 5V will significantly reduce servo lifespan by overheating the internal motor windings and damaging the digital control circuitry. Always use a regulated 3V power supply with adequate current capacity. If your project uses 5V logic, use a separate 3V battery pack or DC-DC converter for servo power.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much current does this servo draw during operation?\u003c\/summary\u003e\n\u003cp\u003eThe servo draws approximately 100-150mA during normal positioning movements and up to 500mA during rapid acceleration or when stalled against maximum load. Design your power supply to deliver at least 500mA continuous current to prevent voltage sag. Using a 3V lithium-ion battery pack with internal protection circuits is recommended for portable robotics applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this servo suitable for continuous rotation applications?\u003c\/summary\u003e\n\u003cp\u003eThe standard FT90B is designed for 180-degree positioning control. The FT90R variant supports continuous rotation when modified, but requires additional mechanical and electrical modifications. For true continuous rotation servo requirements, consider Parallax continuous rotation servo models specifically designed for that purpose.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat microcontroller platforms are compatible with this servo?\u003c\/summary\u003e\n\u003cp\u003eThe Parallax FT90B \/ FT90R works with any microcontroller capable of generating 50Hz PWM signals: Arduino Uno\/Mega, Raspberry Pi, PIC microcontrollers, STM32 boards, and BeagleBone platforms. Ensure your microcontroller operates at 3V logic or use a voltage divider on the signal line if using 5V logic systems.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Engineer Store\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy Parallax FT90B \/ FT90R Digital Micro Servo -  3V Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eParallax FT90B \/ FT90R Digital Micro Servo -  3V\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eParallax FT90B \/ FT90R Digital Micro Servo -  3V\u003c\/strong\u003e with fast shipping and expert support.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43856848257187,"sku":"TES-EV00082484","price":890.4,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/900-00031c-228x228.jpg?v=1704281782","url":"https:\/\/www.theengineerstore.in\/or\/products\/parallax-ft90b-ft90r-digital-micro-servo-3v","provider":"The Engineer Store","version":"1.0","type":"link"}