{"product_id":"pololu-5081-5080-motoron-m2u550-dual-serial-motor-controller","title":"Pololu 5081 \/ 5080 Motoron M2U550 Dual Serial Motor Controller","description":"\u003cmeta name=\"description\" content=\"Buy Pololu 5081 \/ 5080 Motoron M2U550 Dual Serial Motor Controller online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003ePololu 5081 \/ 5080 Motoron M2U550 Dual Serial Motor Controller\u003c\/h1\u003e\n\n\u003cp\u003eThe Pololu Motoron M2U550 is a dual serial motor controller designed for precise control of two independent brushed DC motors up to 5.5A continuous current per channel, ideal for robotics platforms and autonomous systems. Roboticists, embedded systems engineers, and automation professionals use this controller to manage motor speed and direction with minimal microcontroller overhead through UART serial communication. This product solves the challenge of controlling multiple motors with independent current limiting, voltage regulation, and fault detection in space-constrained applications.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Motoron M2U550 operates as a standalone motor controller with integrated serial communication interface, eliminating the need for complex PWM signal management on your main microcontroller. The device features dual H-bridge motor drivers with independent current sensing on each channel, allowing real-time motor current monitoring and automatic current limiting to protect your motors from stall conditions. The controller accepts commands via UART serial protocol at configurable baud rates up to 115200 bps, making integration with Arduino, Raspberry Pi, and other embedded platforms straightforward and reliable.\u003c\/p\u003e\n\n\u003cp\u003eThis controller incorporates advanced protection mechanisms including over-temperature shutdown, under-voltage lockout, and short-circuit protection on both motor channels. The M2U550 variant supports motor voltages from 5.5V to 30V, with a maximum continuous current of 5.5A per channel and peak current capability of 8A, making it suitable for mid-range DC motor applications. The compact form factor and low-level logic interface make it an excellent choice for mobile robots, autonomous vehicles, and multi-motor control systems where space and power efficiency are critical design constraints.\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\u003eDual Serial Motor Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePololu Robotics and Electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Numbers\u003c\/td\u003e\n\u003ctd\u003e5081 (assembled), 5080 (kit)\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\u003eMotor Channels\u003c\/td\u003e\n\u003ctd\u003e2 independent channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Current Per Channel\u003c\/td\u003e\n\u003ctd\u003e5.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current Per Channel\u003c\/td\u003e\n\u003ctd\u003e8A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Voltage Range\u003c\/td\u003e\n\u003ctd\u003e5.5V to 30V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eUART Serial (TTL level)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003eConfigurable up to 115200 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V or 5V compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Sensing\u003c\/td\u003e\n\u003ctd\u003eIntegrated per channel with real-time feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Features\u003c\/td\u003e\n\u003ctd\u003eOver-temperature, under-voltage lockout, short-circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Dimensions\u003c\/td\u003e\n\u003ctd\u003eCompact form factor for embedded applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual independent motor channels with isolated H-bridge drivers for simultaneous control of two DC motors without cross-talk interference\u003c\/li\u003e\n\u003cli\u003eSerial UART communication interface eliminates PWM pin requirements, reducing microcontroller I\/O complexity in multi-motor systems\u003c\/li\u003e\n\u003cli\u003eIntegrated current sensing with real-time feedback on each channel enables closed-loop motor current monitoring and automatic current limiting\u003c\/li\u003e\n\u003cli\u003eWide motor voltage range from 5.5V to 30V supports diverse motor types from small hobby motors to industrial-grade DC motors\u003c\/li\u003e\n\u003cli\u003eAdvanced protection circuitry including over-temperature shutdown, under-voltage lockout, and short-circuit protection ensures long-term reliability\u003c\/li\u003e\n\u003cli\u003eTTL-level serial interface compatible with 3.3V and 5V logic systems for seamless integration with Arduino, Raspberry Pi, and STM32 platforms\u003c\/li\u003e\n\u003cli\u003eConfigurable baud rates up to 115200 bps allow flexible communication timing for real-time control applications\u003c\/li\u003e\n\u003cli\u003eCompact PCB design optimized for space-constrained robotics platforms and autonomous systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMobile robotics platforms requiring independent left and right wheel motor control with real-time current feedback for terrain detection and obstacle avoidance\u003c\/li\u003e\n\u003cli\u003eAutonomous ground vehicles needing dual motor management with integrated protection against stall conditions during navigation and path planning\u003c\/li\u003e\n\u003cli\u003eRobotic arms and manipulators using multiple DC motors for joint actuation with serial command interface reducing wiring complexity\u003c\/li\u003e\n\u003cli\u003eLine-following robots and competition robotics requiring precise motor speed control and synchronization through UART communication\u003c\/li\u003e\n\u003cli\u003eIndustrial automation equipment with dual motor drive requirements where space constraints and thermal management are critical considerations\u003c\/li\u003e\n\u003cli\u003eEducational robotics projects and embedded systems courses teaching motor control principles with minimal microcontroller overhead\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eBegin by connecting your motor power supply to the motor voltage input pins, ensuring polarity is correct and voltage is within the 5.5V to 30V range. Connect your two DC motors to the motor output channels A and B, then establish serial communication by connecting the UART TX pin from your microcontroller to the Motoron's RX input and RX to TX, using appropriate voltage level conversion if mixing 3.3V and 5V systems. Configure your microcontroller's serial port to the desired baud rate (default typically 115200 bps) and begin sending motor control commands using Pololu's documented serial protocol, which allows you to set motor direction, speed, and read back current consumption and fault status in real-time.\u003c\/p\u003e\n\n\u003cp\u003eFor optimal performance, implement software current limiting thresholds slightly below the hardware limits to prevent thermal stress during extended operation. Monitor the integrated current feedback regularly to detect motor stall conditions or unexpected load increases, allowing your application to respond with reduced speed commands or emergency stops. Ensure adequate heat dissipation around the motor driver IC, particularly when operating at continuous 5.5A per channel, and consider adding thermal management solutions if your application demands sustained high-current operation in enclosed environments.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between Pololu 5081 and 5080 models?\u003c\/summary\u003e\n\u003cp\u003eThe Pololu 5081 is a fully assembled and tested motor controller ready for immediate use, while the 5080 is a kit version requiring component assembly and soldering. Both versions are functionally identical once assembled. Choose the 5081 if you prefer plug-and-play operation, or the 5080 if you have soldering experience and prefer cost savings. The Tech Depot stocks both variants to suit different customer requirements.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I control motors with different voltage ratings on the same controller?\u003c\/summary\u003e\n\u003cp\u003eYes, the Motoron M2U550 provides a single motor voltage supply that powers both channels, so both motors must operate within the same voltage range. However, you can use motors with different current ratings on each channel, as the controller features independent current limiting and monitoring for each motor. This flexibility allows you to pair a high-torque motor on one channel with a lighter-duty motor on the other channel within the same voltage envelope.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I read motor current feedback from the Motoron?\u003c\/summary\u003e\n\u003cp\u003eThe Motoron provides real-time current feedback through its serial protocol by sending status packets that include the instantaneous current consumption of each motor channel. Your microcontroller can request this information by sending specific serial commands and parsing the returned data packets. Current values are typically reported in milliamps, allowing you to implement current-based control algorithms such as stall detection, load estimation, or adaptive speed control based on motor load.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat protection does the controller provide against motor stall?\u003c\/summary\u003e\n\u003cp\u003eThe Motoron M2U550 includes hardware current limiting that automatically reduces motor drive voltage when channel current exceeds the configured threshold, preventing damage from sustained stall conditions. Additionally, the controller provides over-temperature protection that shuts down the motor drivers if the IC temperature exceeds safe limits. Your software can monitor current feedback and implement additional stall detection algorithms, such as detecting zero motor movement with high current draw, allowing graceful error handling and recovery.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the Motoron compatible with my Arduino or Raspberry Pi?\u003c\/summary\u003e\n\u003cp\u003eYes, the Motoron M2U550 is fully compatible with Arduino boards (Uno, Mega, Nano) and Raspberry Pi through its TTL-level UART serial interface. Arduino users can utilize the hardware serial ports or software serial libraries, while Raspberry Pi users can connect via GPIO UART pins or USB serial adapters. Pololu provides comprehensive software libraries and example code for both platforms, making integration straightforward for beginners and experienced developers alike.\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 Tech Depot\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 Pololu 5081 \/ 5080 Motoron M2U550 Dual Serial Motor Controller Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003ePololu 5081 \/ 5080 Motoron M2U550 Dual Serial Motor Controller\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\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\u003ePololu 5081 \/ 5080 Motoron M2U550 Dual Serial Motor Controller\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\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48743650853121,"sku":"TTD-8429","price":1443.51,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/617113524eed174d28b058ea1dfe9e2c.jpg?v=1778061000","url":"https:\/\/techdepot.in\/products\/pololu-5081-5080-motoron-m2u550-dual-serial-motor-controller","provider":"Tech Depot India","version":"1.0","type":"link"}