{"product_id":"cytron-mdd3a-dual-channel-dc-motor-driver-for-robotics-projects","title":"Cytron MDD3A Dual Channel DC Motor Driver for Robotics Projects","description":"\u003ch1\u003eCytron MDD3A Dual Channel DC Motor Driver (6-30V, 3A\/5A)\u003c\/h1\u003e\n\n\u003cp class=\"product-lede\"\u003eThe Cytron MDD3A is a dual channel DC motor driver that can independently control two brushed DC motors at 3A continuous per channel with 6V to 30V power input, ideal for robotics and automation projects.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMotor Channels\u003c\/td\u003e\n\u003ctd\u003e2 (Dual)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e6V – 30V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eContinuous Current per Channel\u003c\/td\u003e\n\u003ctd\u003e3A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePeak Current per Channel\u003c\/td\u003e\n\u003ctd\u003e5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLogic Level\u003c\/td\u003e\n\u003ctd\u003e3.3V \/ 5V Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eControl Mode\u003c\/td\u003e\n\u003ctd\u003ePWM \u0026amp; Direction\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOvercurrent \u0026amp; Thermal Shutdown\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions (L×W×H)\u003c\/td\u003e\n\u003ctd\u003e45mm × 30mm × 15mm (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-line-following-robot\"\u003e\n\u003cstrong\u003eLine-Following Robot:\u003c\/strong\u003e Use an IR sensor array and the MDD3A to drive two DC motors, creating a simple autonomous bot.\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-dc-motor-speed-controller\"\u003e\n\u003cstrong\u003eWi-Fi Controlled Car:\u003c\/strong\u003e Pair the MDD3A with an ESP32 and a motor chassis, then control speed and direction via a web app.\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePi Automated Rover:\u003c\/strong\u003e Program a Raspberry Pi to control the MDD3A over GPIO, building a surveillance rover with a camera module.\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-dc-motor-pwm-speed-control\"\u003e\n\u003cstrong\u003eDC Motor Speed Control Experiment:\u003c\/strong\u003e Use an Arduino and potentiometer to vary MDD3A PWM duty cycle, demonstrating motor speed regulation for CBSE\/ATL lab.\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Agriculture Robot:\u003c\/strong\u003e Build a seed-sowing machine using the MDD3A to drive wheel motors, controlled by Arduino for precise field navigation (SIH\/B.Tech project).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003ctable class=\"compat-table\"\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003cth\u003eCompatible\u003c\/th\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003cth\u003eLibrary \/ Method\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArduino Uno R3\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003ePWM pins (e.g., D5, D6 for PWM; any digital for DIR)\u003c\/td\u003e\n\u003ctd\u003eDirect pin control (analogWrite \/ digitalWrite)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArduino Nano\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003ePWM pins (e.g., D3, D9)\u003c\/td\u003e\n\u003ctd\u003eDirect pin control\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArduino Mega 2560\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003ePWM pins (e.g., D2–D13)\u003c\/td\u003e\n\u003ctd\u003eDirect pin control\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP8266 NodeMCU\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eGPIO with PWM (e.g., D1, D2)\u003c\/td\u003e\n\u003ctd\u003eDirect pin control (analogWrite)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eAny GPIO with LEDC PWM\u003c\/td\u003e\n\u003ctd\u003eLEDC library or direct\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRaspberry Pi Pico\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eGP0–GP28 (use PWM slices)\u003c\/td\u003e\n\u003ctd\u003emachine.PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRaspberry Pi 4 \/ 5\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eGPIO (3.3V tolerant)\u003c\/td\u003e\n\u003ctd\u003eRPi.GPIO or pigpio\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWiring and Interface Notes\u003c\/h2\u003e\n\u003cp\u003eConnect the motor power supply (6-30V) to the VMS and GND terminals. The logic pins (DIR1, PWM1, DIR2, PWM2) accept 3.3V or 5V signals; for Raspberry Pi, direct GPIO connection is safe. Always use a common ground between the microcontroller and MDD3A to avoid signal issues.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq\"\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eCan I drive a stepper motor with the MDD3A?\u003c\/h3\u003e\n    \u003cp\u003eYes, the MDD3A can drive a bipolar stepper motor by using both channels, one for each coil. You'll need to control the coil sequencing via your microcontroller.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eWhat is the maximum power supply I should use?\u003c\/h3\u003e\n    \u003cp\u003eThe MDD3A supports up to 30V input, but for continuous high-current use, ensure your power supply can deliver sufficient current and the board is properly cooled, as the peak current is 5A.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Product\",\n      \"@id\": \"https:\/\/compoden.in\/products\/cytron-mdd3a-dual-channel-dc-motor-driver-for-robotics-projects#product\",\n      \"name\": \"Cytron MDD3A Dual Channel DC Motor Driver (6-30V, 3A\/5A)\",\n      \"description\": \"Buy Cytron MDD3A dual channel DC motor driver. 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