Metal Ball Omni-Directional Caster Wheel The Metal Ball Caster Wheel for Small Robotic Car is a compact, durable, and smooth-rolling support wheel designed to improve the mobility of DIY robots. Built from high-quality zinc-plated steel, it offers reliable strength and corrosion resistance, making it suitable for long-term robotic applications. Its ball-type design allows omnidirectional movement, giving your robot the ability to turn, pivot, and maneuver effortlessly on flat surfaces. This universal ball caster is ideal for 4WD robot cars, tank robots, and small DIY robotics projects that require a stable trailing wheel. With a compact size and lightweight construction, it fits easily on most chassis and helps enhance the overall mobility and balance of your robot. Whether you're building an educational robot or a custom smart car platform, this caster wheel ensures smooth performance and easy installation. Features: Designed with a zinc-plated steel body for durability, corrosion resistance, and long-lasting use. Ball-type construction provides smooth 360° omnidirectional movement, ideal for flexible robot maneuvering. Compact dimensions (49mm × 32mm × 21mm) make it suitable for small robotic car chassis. Features a stable 38mm mounting hole pitch and 4mm hole diameter for easy installation. Supports loads up to 10 kg per wheel, making it capable of handling small to medium-sized robot platforms. Ideal for 4WD tank robots, smart cars, and educational robotics kits requiring a smooth trailing wheel.

SmartElex 30D Dual Channel Motor Driver Powered by Raspberry Pi The SmartElex 30D is a powerful and intelligent dual channel motor driver engineered for demanding robotics and automation applications. Designed to deliver 30A continuous and up to 85A peak current per channel, this smart motor driver offers impressive performance and versatility. It supports multiple input modes including RC, analog, PWM, and TTL serial communication, allowing you to integrate it effortlessly into a wide range of control systems. The 30D also includes mixed and independent operating modes, making it ideal for applications like differential drive robots, motorized vehicles, and mechatronic systems. What truly sets the SmartElex 30D apart is its smart control and protection features. With onboard microcontroller intelligence, it actively monitors temperature and current to prevent damage. If the board temperature exceeds 80°C, motor speed is automatically reduced until it cools down, ensuring safe and consistent operation. Its MOSFETs operate at a 16kHz switching frequency for quiet, efficient performance. Designed for durability, flexibility, and ease of use, this Raspberry Pi-powered driver is the perfect choice for anyone looking to build reliable, high-power robotic systems. Features: High Power Output: 30A continuous and up to 85A peak current per channel (2 seconds) Wide Voltage Range: Supports motor voltage from 7V to 28V Smart Control System: Built-in microcontroller for intelligent temperature and current monitoring Multiple Input Modes: Compatible with RC, Analog, PWM, and Serial Packetized control Thermal Protection: Reduces speed at 80°C, resumes normal at 70°C, and shuts down at 100°C Overcurrent Protection: Prevents damage during high-load conditions Quiet Operation : 16kHz MOSFET switching ensures silent motor performance Manual Operation: Onboard push buttons for testing and manual control

SmartElex BTS7960 High-Power Dual Channel 43A DC Motor Driver Module The SmartElex BTS7960 DC Motor Driver Module is a powerful and efficient solution for controlling high-current DC and stepper motors. Designed around the BTS7960 IC, this dual-channel H-bridge driver supports up to 43A of continuous current, making it ideal for demanding robotic, automation, and motor control applications. With its compact design and built-in safety features, it’s perfect for hobbyists and engineers working on high-torque motor projects. This Stepper Motor Driver Module ensures smooth operation with PWM control up to 25 kHz, offering stable and noise-free performance. It comes equipped with advanced protection features such as overcurrent, short-circuit, overvoltage, and thermal shutdown, ensuring long-term durability. The easy-to-interface logic inputs make it compatible with popular microcontrollers like Arduino and Raspberry Pi, simplifying the motor control experience. Input port: RPWM: forward level or PWM signal input, active high. LPWM: Reverse level or PWM signal input, active high. R_EN: forward drive enable input, high-level enable, low-level off. L_EN: Reverse drive enable input, high-level enable, low-level off. R_IS: forward drive current alarm output. L_IS: Reverse drive current alarm output. VCC: +5 V power output, 5V power supply connection with the microcontroller. GND: signal the common low end. Features: High-power 43A H-Bridge DC Motor Driver based on the BTS7960 IC. Supports both DC and stepper motor control with PWM up to 25 kHz. Integrated overcurrent, overvoltage, and thermal protection for reliable performance. Includes logic-level inputs for simple interfacing with controllers like Arduino or Raspberry Pi. Features active freewheeling and adjustable slew rate for efficient operation. Compact design with low power dissipation and enhanced EMI performance. Equipped with status flag diagnostics and current sense outputs for monitoring.

SmartElex 15D Dual DC Motor Driver - 30A Peak Dual Channel PWM Controller The SmartElex 15D is a powerful and reliable DC motor controller designed for applications that demand high current and precise motor control. Supporting two brushed DC motors, this module enables smooth DC motor speed control and direction control through TTL PWM signals from microcontrollers. With a peak current capacity of 30A and a robust dual-channel design, it ensures efficient operation across a wide range of robotics and automation projects.Engineered for performance and safety, the SmartElex 15D includes advanced features such as current limiting, thermal shutdown, and undervoltage protection. Its compatibility with both 3V and 5V logic levels makes it easy to integrate with various microcontrollers. Whether you're developing robotic vehicles, industrial prototypes, or mechatronic systems, this DC motor driver provides stable, precise, and durable motor control performance. Features: Max Peak Current: 30A for up to 10 seconds Dual Channel Control: Supports two brushed DC motors bidirectionally DC Motor Speed Control: PWM and direction-based control for precision Current Limiting: Protection at 30A to prevent motor or board damage Thermal Shutdown: Automatically safeguards against overheating Undervoltage Lockout: Ensures reliable and safe power operation Microcontroller Compatibility: Supports TTL PWM from 3V and 5V logic inputs High-Efficiency Design: Uses four externally powered NMOS transistors for smooth control

SmartElex TMC6300 3-Phase Brushless Motor Driver Module – High Efficiency 3-Phase BLDC Driver The SmartElex 3-Phase Brushless Motor Driver Module is designed to deliver smooth, efficient, and reliable control for three-phase BLDC and PMSM motors. Powered by the TMC6300 chip, this driver supports motor voltages from 2V to 11V and delivers up to 2A of current, making it perfect for compact yet powerful motor control systems. This 3-phase motor driver offers high efficiency and precision, ideal for use in robotics, drones, automation systems, and motor-driven projects. With six PWM control inputs, it enables full three-phase control for accurate speed and direction management. Compact, durable, and easy to integrate, the SmartElex TMC6300 module includes built-in protection against short circuits and overheating. It’s a dependable choice for makers, engineers, and developers looking for a 3-phase brushless motor driver that combines performance, safety, and ease of use in one small package. Features: High-Efficiency Motor Control: Based on the TMC6300 chip, ensuring smooth and power-efficient operation of 3-phase BLDC motors. Wide Voltage Range: Supports input voltages from 2V to 11V, suitable for low-voltage applications and battery-powered systems. 2A Output Current Capacity: Delivers strong performance for compact BLDC and PMSM motors. Six PWM Inputs: Allows precise speed and direction control for flexible motor operation. Built-In Protection: Features thermal shutdown and short-circuit protection for safe and reliable performance. Compact and Easy to Use: Small, lightweight 3-phase brushless motor driver module perfect for robotics, drones, and automation projects.

80mm Mecanum Wheel Set (Yellow) These 80mm Mecanum Wheels are designed to deliver true omnidirectional movement for your robotics and automation projects. Equipped with durable rubber rollers arranged at precise angles, these wheels allow smooth forward, backward, diagonal, and lateral motion without the need for complex steering mechanisms. Made from strong ABS and high-quality rubber, they offer excellent friction, quiet operation, and stable handling—making them ideal for advanced robotics builds. Perfect for DIY robots, industrial AGVs, and educational robotics kits, these wheels are compatible with 6.7mm couplings and work seamlessly with common TT motors and building block–style platforms. Whether you’re working on a competition robot, a warehouse robot prototype, or a compact omnidirectional rover, these Mecanum wheels provide smooth maneuverability and reliable precision. Features: Designed for 360° omnidirectional movement including sideways and diagonal travel. Made from strong ABS material with high-quality rubber rollers for maximum grip and smooth operation. Quiet, low-vibration performance thanks to optimized roller placement and friction control. Includes 2 left-hand and 2 right-hand wheels for complete Mecanum drive configuration. Compatible with TT motors, 6.7mm couplings, and building-block-style robotics systems. Ideal for AGVs, educational robots, hobby rovers, and advanced robotics prototypes. Lightweight construction ensures efficient torque transfer without burdening the motors.

SmartElex 10D Dual Channel Motor Driver Powered by Raspberry Pi The SmartElex 10D Smart Motor Driver is a powerful dual-channel motor driver designed to control brushed DC motors with precision and efficiency. It supports both PWM and RC control modes, making it ideal for robotics, RC vehicles, and automation projects. With a built-in 5V 3A buck converter and wide input voltage range (7V–22V), this motor driver ensures stable performance even under demanding loads. Capable of handling continuous currents up to 10A and peak currents up to 30A, it’s perfect for high-torque motors used in racing robots, combat bots, and mobile platforms. Built-in current limiting, over-temperature protection, and plug-and-play compatibility with Raspberry Pi make it a dependable choice for makers and engineers alike. Pinout Diagram: Features: Supports wide motor operating voltage range of 7V to 22V. Includes onboard 5V 3A buck converter for powering external devices. Provides continuous 10A and peak 30A motor current handling capability. Allows bidirectional control of two brushed DC motors. Supports both PWM and RC control signals for versatile applications. Built-in current limiting at 35A and thermal shutdown protection. Fully compatible with Raspberry Pi for easy integration.

SmartElex L298N Dual Channel Motor Driver with Onboard Arduino Uno The SmartElex L298N Motor Driver with Onboard Arduino Uno is an all-in-one motor control solution designed for robotics and mechatronics enthusiasts. It combines the power of the L298N dual-channel motor driver with the versatility of the Arduino Uno microcontroller, allowing you to control two DC motors simultaneously with ease. With its onboard 5V 3A buck converter and wide voltage range, this board ensures stable performance even under high current loads. Perfect for DIY robotics projects like combat robots, line-following bots, and racing robots, it provides everything you need on a single compact board. This motor driver board simplifies prototyping and wiring by including labeled ports for all Arduino pins and a built-in USB interface for programming. It also supports external connections like servo motors and line sensors, making it a flexible choice for educational, hobby, and industrial automation applications. \Whether you’re building your first robot or a professional prototype, the SmartElex L298N Motor Driver makes motor control efficient, reliable, and beginner-friendly. Pinout Diagram: Features: Integrated L298N dual motor driver with onboard Arduino Uno. Supports two DC motors with continuous current up to 1.2A per channel (peak 4A total). Built-in 5V 3A SMPS buck converter for stable power supply. Clearly labeled I/O ports for easy sensor and servo motor connections. Includes USB port for direct Arduino programming and debugging. Onboard power switch and status LED indicators for convenience. Compatible with SmartElex RLS-06 Line Sensor via 8-pin JST interface.

12V 50MM Stroke Length 90MM/S 100N Linear Actuator for Industrial Applications This 12V 50mm Linear Actuator is a compact and powerful electric linear actuator designed for industrial automation and machinery applications. With a stroke length of 50mm, a load capacity of 100N, and a speed of 90mm/s, it offers smooth and efficient performance for lifting, pushing, and pulling operations. The actuator converts the rotary motion of a motor into linear motion, making it ideal for use in industrial equipment, agricultural machinery, construction systems, cleaning vehicles, and marine applications. Built with a robust drive motor, reduction gear, screw mechanism, and control switch, this linear actuator 12V ensures precise, reliable, and remotely controllable movement for both simple and complex automation systems. Features: Aluminium frame and extension tube. Compact Design Built-in Limit Switch Low noise and moisture-proof Surface Long life: The drive motor features a revolutionary carbon brush Construction that has a service life of over 50000 times. Permanent magnet direct current motor drive: Voltage 12VDC Self-locking force: 100 N. Applications: Autos, solar tracking systems, agricultural machines, wedding systems, and industrial electric lifting systems. Medical electric bed, surgical bed, and traction bed Electric equipment: Electric sofa, electric lifting lever, electric booth, electric sunroof, etc. Medical chairs include electric wheelchairs, massage chairs, and dental chairs. Product applications include TV lift tables, massage beds, electric beds, medical chairs, electric equipment, micro-devices, electric sofas, camera frames, and cameras.

EMAX ES3005 4.8V-6V 42gm Analog Servo Waterproof with Metal Gears The EMAX ES3005 4.8V-6V Analog Servo is a premium-quality servo designed to deliver outstanding performance and reliability. Built with metal gears, it offers superior strength and long-lasting durability, making it perfect for demanding RC applications. Its waterproof construction ensures consistent operation even in challenging environments. With impressive torque and fast response speed, this analog servo is an excellent choice for RC helicopters, boats, and cars, providing smooth and accurate control for hobbyists and professionals alike. Features: High-quality, waterproof design, perfect for RC helicopters, boats, and automobiles. High-precision metal gear set. The gear set and case are extremely durable, thanks to their bearings, massive torque, and good speed.

Soil Moisture Sensor – Plant Watering Alarm Alerter The Soil Moisture Sensor Plant Watering Alarm Alerter is a smart, compact tool designed to help you maintain healthier plants with minimal effort. Simply insert it into the soil near your plant, and the sensor continuously monitors moisture levels using advanced capacitive humidity sensing for improved accuracy and long-term reliability. Whenever the soil gets too dry, the device emits soft chirps to remind you it's time to water. This intelligent sensor also adapts to your environment, it detects ambient light and automatically stays silent in the dark, ensuring it doesn’t disturb you at night. With adjustable alarm sensitivity for different plant types, this moisture alerter is ideal for indoor plants, potted gardens, home growers, and anyone who prefers a hassle-free plant care routine. Features: Uses capacitive moisture sensing for more reliable and long-lasting performance compared to resistive probes. Emits gentle chirps that increase as the soil becomes drier, helping you water at the right time. Built-in ambient light detection ensures the alarm stays silent during nighttime. Adjustable moisture threshold allows customization for different plant types. Simple to use, portable, and perfect for home gardens, indoor plants, and DIY automation setups.

DS04-NFC 360° Continuous Rotation Servo Motor The DS04-NFC 360° Continuous Rotation Servo Motor is designed for makers, hobbyists, and robotics enthusiasts who need smooth, reliable, and fully rotating motion in their projects. With its 360-degree continuous rotation capability, this servo delivers stable torque, consistent performance, and effortless integration into RC cars, model aircraft, robotic arms, and other motion-based builds. Crafted from a durable metal-plastic blend, it ensures long-lasting use while staying lightweight and compact. This servo also features an adjustable median potentiometer for precise zero-point calibration, helping you fine-tune rotation behavior for accurate control. Operating between 4.8V–6V, the DS04-NFC provides strong output torque and smooth motion, even under demanding conditions. Whether you're building a robot, upgrading an RC model, or experimenting with DIY mechanisms, this servo offers dependable performance in a versatile and easy-to-install package. Features: Provides 360-degree continuous rotation, making it ideal for wheels, robotic motion, and steering mechanisms. Built with a high-quality metal + plastic housing, ensuring sturdiness, smooth edges, and long-term durability. Includes an adjustable median point potentiometer for precise zero-point tuning during setup. Offers stable performance with 5.5 kg/cm torque at 4.8V, suitable for RC vehicles and robot systems. Lightweight and compact design allows easy installation into aircraft, cars, robots, and DIY projects. Operates reliably between 4.8V to 6V, with low current usage (<1000mA). Comes with multiple rocker arms and mounting screws for quick assembly.

SmartElex I2S MEMS Digital Microphone Module with Audio Output The SmartElex I2S MEMS Digital Microphone Module with Audio Output is a high-quality microphone module designed for projects that require clear and accurate sound input. Compatible with microcontrollers like the ESP32, it offers low noise, high sensitivity, and outstanding reliability, making it perfect for applications such as voice recognition, AI learning, audio recording, and Bluetooth sound transmission. This digital microphone uses a surface-mount MEMS I2S sensor with a top port and no components at the bottom, allowing seamless integration into compact designs. Additionally, SmartElex provides an easy-to-use Arduino library, enabling quick setup and smooth operation for developers and hobbyists alike. Applications: Voice recognition AI learning Recording Bluetooth audio transmission Smart home audio projects Features: Compact in size High performance and low power consumption I2S low-noise digital output MEMS sensor with excellent dependability offers an Arduino library for ESP32 work.

SmartElex 15S High-Power Single Channel PWM 15A DC Motor Driver The SmartElex 15S DC motor driver is specifically crafted for managing single brushed DC motors in various fields like robotics, automation, and mechatronics. It allows for precise control over motor speed and direction by utilizing TTL PWM signals from any compatible microcontroller. With a broad operating voltage range of 6V to 30V and a continuous current rating of 15A (with a peak of 30A for up to 10 seconds), this DC motor controller offers robust and efficient performance, making it ideal for both light and heavy-duty motor tasks. Equipped with four externally powered NMOS transistors, the SmartElex 15S guarantees smooth, high-frequency operation with PWM capabilities of up to 32kHz. It also comes with vital safety features like current limiting, thermal shutdown, and under-voltage lockout to safeguard both the motor and the controller. Designed for reliability and easy integration, the SmartElex 15S DC Motor Driver is an excellent choice for robotics enthusiasts, developers, and engineers seeking precise and trustworthy motor control. Pinout Diagram: Features: Wide Operating Voltage Range : 6V to 30V for flexible use in various projects High Current Capacity : 15A continuous and 30A peak current for 10 seconds Single Brushed DC Motor Control : Enables bidirectional control with precision PWM Frequency Support : Operates up to 32kHz for smooth speed control TTL PWM Compatibility : Works with 3.3V and 5V logic level microcontrollers Built-In Protection : Includes 35A current limiting, thermal shutdown, and under-voltage lockout Efficient Design : Uses PWM and direction-controlled driving with four NMOS transistors Easy Integration : Simple interface for use in robotics, automation, and mechatronics applications

SmartElex 30S Single Channel 30A DC Motor Driver The SmartElex 30S DC Motor Driver is a high-performance motor driver designed to control powerful DC motors with efficiency and precision. Capable of delivering 30A continuous current and handling peak loads up to 85A for 2 seconds, it’s built for demanding applications like robotics, automation, and electric vehicles. Supporting motor voltages from 7V to 28V, this module allows smooth bidirectional control, making it ideal for developers who need a reliable and robust motor controller. Engineered with built-in overcurrent protection and status indication, the SmartElex 30S ensures safety and durability even under heavy loads. Its TTL-PWM input compatibility allows seamless interfacing with microcontrollers such as Arduino, Raspberry Pi, or ESP32. Whether you’re upgrading your robot’s drivetrain or working on an industrial motion control project, this motor driver provides the power and stability you can trust. Features: Delivers 30A continuous current and up to 85A peak (2 seconds) per channel. Supports motor voltages from 7V to 28V for flexible use. Enables bidirectional control for a single brushed DC motor. Built-in overcurrent protection with fault indication LED. TTL-PWM compatible for microcontroller-based control. Compact and efficient design for high-power applications. Ideal for robotics, automation, and electric mobility projects.