{"product_id":"hg7881-h-bridge-4-channel-dc-stepper-motor-driver-controller","title":"HG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller ","description":"\u003cmeta name=\"description\" content=\"Buy HG7881 Hbridge 4 Channel DC Stepper Motor Driver 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\u003ch1\u003eHG7881 H-Bridge 4-Channel DC Stepper Motor Driver Controller\u003c\/h1\u003e\n\u003cp\u003eDrive up to 4 DC motors or 2 stepper motors with this compact, affordable HG7881-based H-bridge motor driver board. Ideal for robotics, automation, and Arduino\/Raspberry Pi projects, it delivers reliable bidirectional motor control with simple logic-level inputs. Available now from The Tech Depot, Bengaluru - fast shipping, 7-day warranty on manufacturing defects, and expert support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver IC\u003c\/td\u003e\n\u003ctd\u003eHG7881 (HG7881CP) Dual H-Bridge x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Channels\u003c\/td\u003e\n\u003ctd\u003e4 DC motors (independent) or 2 stepper motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e2.5 V - 12 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Continuous Current\u003c\/td\u003e\n\u003ctd\u003e800 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current\u003c\/td\u003e\n\u003ctd\u003eUp to 1.5 A per channel (short duration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Inputs\u003c\/td\u003e\n\u003ctd\u003e2 pins per channel (IN-A direction, IN-B PWM\/enable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3 V \/ 5 V compatible (Arduino, ESP32, Raspberry Pi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Control Modes\u003c\/td\u003e\n\u003ctd\u003eForward, Reverse, Brake, Coast (per channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Speed Control\u003c\/td\u003e\n\u003ctd\u003eYes - via IN-B pin on each channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 26 mm x 21 mm x 15 mm (compact form factor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e2.54 mm pin headers for motor outputs and control inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eBuilt-in flyback diodes for back-EMF protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~8 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eMotor Driver Module\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-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Channel Independent Control:\u003c\/strong\u003e Drive four DC motors simultaneously with individual direction and speed control, or pair channels to run two bipolar\/unipolar stepper motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Range (2.5 V - 12 V):\u003c\/strong\u003e Compatible with small hobby motors, N20 gear motors, TT motors, and many 12 V motors used in robotics platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePWM Speed Control:\u003c\/strong\u003e Smoothly vary motor speed from 0-100 % using PWM signals on the IN-B pin of each channel - works seamlessly with Arduino analogWrite().\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.3 V \u0026amp; 5 V Logic Compatible:\u003c\/strong\u003e Direct connection to Arduino Uno, Mega, Nano, ESP8266, ESP32, STM32, Raspberry Pi, and other popular microcontrollers without level shifters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Compact Design:\u003c\/strong\u003e Tiny PCB footprint makes it easy to fit inside small robots, RC cars, and space-constrained enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Back-EMF Protection:\u003c\/strong\u003e Integrated flyback diodes safeguard the driver IC and your microcontroller from voltage spikes generated by motor coils.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple 2-Pin Control Per Channel:\u003c\/strong\u003e No complex wiring - just connect IN-A (direction) and IN-B (PWM\/enable) per motor channel for full bidirectional control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Dropout Design:\u003c\/strong\u003e Minimal voltage drop across the H-bridge ensures maximum power delivery to your motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard \u0026amp; PCB Friendly:\u003c\/strong\u003e Standard 2.54 mm pin headers allow direct insertion into breadboards or soldering onto custom PCBs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Motor Driver?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBudget-Friendly Multi-Motor Control:\u003c\/strong\u003e Control up to 4 motors with a single, low-cost module - significantly cheaper than L298N or L293D alternatives for light-duty applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for Small Robotics:\u003c\/strong\u003e Designed for TT motors, N20 gear motors, and small DC motors commonly used in line-following robots, obstacle-avoiding bots, and wheeled platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Authentic:\u003c\/strong\u003e Sourced directly from trusted, authorized component suppliers - no counterfeit ICs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-5 days shipping:\u003c\/strong\u003e Ships from our Bengaluru warehouse to most locations across India. Same-day delivery available in Bengaluru.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Technical Support:\u003c\/strong\u003e Stuck on wiring or code? Our engineers provide free guidance via email and WhatsApp around the clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensive Community Resources:\u003c\/strong\u003e Thousands of Arduino tutorials, wiring diagrams, and sample code available online for the HG7881 driver.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePin Configuration \u0026amp; Wiring Guide\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Label\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB-IA\u003c\/td\u003e\n\u003ctd\u003eMotor B Input A\u003c\/td\u003e\n\u003ctd\u003eDirection control (HIGH\/LOW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB-IB\u003c\/td\u003e\n\u003ctd\u003eMotor B Input B\u003c\/td\u003e\n\u003ctd\u003ePWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. 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 on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy HG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller  Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eHG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller \u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eHG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller \u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eHG7881 H-bridge 4 Channel DC Stepper Motor Driver Controller \u003c\/strong\u003e at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746573431041,"sku":"TTD-18017","price":564.34,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/69cf1f9daafb36b4a70fcdc6bdbf23b2.jpg?v=1778107870","url":"https:\/\/techdepot.in\/products\/hg7881-h-bridge-4-channel-dc-stepper-motor-driver-controller","provider":"Tech Depot India","version":"1.0","type":"link"}