{"product_id":"n20-micro-gear-robot-chassis-4wd","title":"N20 Micro-Gear Robot Chassis 4WD","description":"\u003ch3\u003e\u003cstrong\u003eCore Design \u0026amp; Mechanical Specs\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe robot’s structure is built for durability and modularity. Key mechanical highlights include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eN20 Micro-Gear Drivetrain:\u003c\/strong\u003e The 4-wheel system is powered by four \u003cstrong\u003eN20 micro-gear motors\u003c\/strong\u003e. These motors offer significant torque in a tiny form factor, making the robot surprisingly powerful for its size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3D-Printed Chassis:\u003c\/strong\u003e The body is fully 3D-printable. Because the \u003cstrong\u003eFusion 360 source files\u003c\/strong\u003e are included, you have complete creative freedom to modify the motor mounts, change the sensor housing, or add custom aesthetic panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltrasonic Sensor Mount:\u003c\/strong\u003e A dedicated front-facing mount holds an \u003cstrong\u003eHC-SR04 Ultrasonic Sensor\u003c\/strong\u003e, allowing the robot to \"see\" obstacles and calculate distances in real-time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eModern Power System\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eForget bulky battery packs or disposable cells. This robot features a streamlined, internal power management system:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e18650 Battery Bay:\u003c\/strong\u003e The chassis includes a precision-molded internal mount for a standard \u003cstrong\u003e18650 Li-ion battery\u003c\/strong\u003e, providing long runtimes for your code.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType-C Charging:\u003c\/strong\u003e A built-in \u003cstrong\u003eUSB Type-C port\u003c\/strong\u003e is mounted directly to the frame. This allows for convenient charging without having to remove the battery or disassemble the robot, making it as user-friendly as a modern smartphone.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eElectronics \u0026amp; Control Architecture\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe electronics stack is designed for the widely-used \u003cstrong\u003eArduino Uno\u003c\/strong\u003e ecosystem, ensuring that beginners and experts alike can get started quickly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eL293D Shield:\u003c\/strong\u003e The robot utilizes the \u003cstrong\u003eL293D Motor Driver Shield\u003c\/strong\u003e, which mounts directly onto the Arduino Uno. This shield handles the high-current demands of the four motors while keeping wiring neat and organized.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController Flexibility:\u003c\/strong\u003e While designed for the Uno, the open-source nature of the design makes it easy to swap in an \u003cstrong\u003eESP32\u003c\/strong\u003e or \u003cstrong\u003eNodeMCU\u003c\/strong\u003e if you require Wi-Fi control or more processing power.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eQuick Technical Reference\u003c\/strong\u003e\u003c\/h3\u003e\u003cfigure class=\"table\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4x N20 Micro Gear Motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrocontroller\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino Uno (Default)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Driver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL293D Motor Shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650 Battery + USB Type-C Charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHC-SR04 Ultrasonic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCAD Format\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFusion 360 (.f3d \/ .step)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/figure\u003e\u003ch3\u003e\u003cstrong\u003eWhy Choose This Build?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis platform bridges the gap between a toy and a professional development kit. Whether you are teaching yourself robotics or building a fleet of autonomous rovers, the combination of \u003cstrong\u003e4WD power\u003c\/strong\u003e, \u003cstrong\u003eType-C charging\u003c\/strong\u003e, and \u003cstrong\u003eCAD-ready files\u003c\/strong\u003e makes this a future-proof choice for your next project.\u003c\/p\u003e\u003cp\u003eDesign by Sumon on MakerWorld (license: BY-SA).\u003c\/p\u003e","brand":"Mymadmanlab","offers":[{"title":"Default Title","offer_id":67391643615536,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/0809\/5280\/files\/0_364c635e-54af-43e1-803e-76b0545f0371.png?v=1784754284","url":"https:\/\/mymadmanlab.com\/products\/n20-micro-gear-robot-chassis-4wd","provider":"Mymadmanlab.com","version":"1.0","type":"link"}