INVENTO 4 Wheel Metal Robot Car Chassis 260x160mm The INVENTO Robot Car Metal Chassis is a durable 4-wheel metal platform designed for building smart car and robotics projects. With a sturdy aluminum alloy frame measuring 260x160x45mm, it provides a strong base for DC geared motors, microcontrollers, and sensors. Ideal for DIY robotics, STEM learning, and automation projects, this robot car chassis offers stability, easy motor mounting, and flexible space for battery packs and control boards. Its solid construction ensures long-lasting performance for educational and hobby applications. Perfect for students, makers, and robotics enthusiasts, this smart car base platform simplifies the development of line follower robots, obstacle avoidance robots, and other mobile robotics projects. Features: Supports wheels up to 125mm (5 inches) in diameter Chassis size: 260 x 160 x 45 mm (L x W x H) with 0.65mm sheet thickness Made from durable powder-coated steel for long-lasting performance Compatible with DC side shaft motors and DC geared motor mounting Designed for four-wheel robot car configuration Chassis color may vary based on stock availability Package includes 1 x metal robot car chassis

SmartElex Hall Sensor The SmartElex Hall Sensor is a compact electronic component designed to detect magnetic fields using the Hall effect. It helps sense the presence, strength, or change in magnetic fields without physical contact, making it useful for reliable and wear-free detection. This sensor is suitable for students, makers, engineers, educators, and startups who are working on electronics projects that require accurate magnetic field sensing, position detection, or rotational speed measurement. This hall effect sensor is widely used in robotics, IoT devices, automation systems, and general prototyping applications. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick integration into both learning projects and real-world systems. Common use cases include motor speed sensing, position detection, proximity sensing, and safety switches, where consistent performance and simple integration are important. Features: Detects magnetic fields using the Hall effect principle Contactless sensing for reliable and wear-free operation Fast response suitable for speed and position detection Digital/analog output (depending on variant) for easy interfacing Compatible with Arduino, Raspberry Pi, ESP32, and other controllers Ideal for motor control, proximity sensing, and automation projects

TCS34725 RGB Color Recognition Light Sensor Module The TCS34725 RGB Color Recognition Light Sensor Module is a powerful and reliable RGB light sensor designed to deliver highly accurate color measurements in real-world conditions. Equipped with RGB and Clear light-sensing elements along with an integrated IR blocking filter, this color recognition sensor minimizes infrared interference to provide natural and precise color readings. With an impressive 3,800,000:1 dynamic range and adjustable integration time and gain, it performs exceptionally well even in low-light environments or behind tinted glass. The module features a built-in 3.3V regulator and level shifting, allowing smooth operation with both 3.3V and 5V systems. Its onboard 4150°K neutral LED, controlled via a MOSFET driver, ensures consistent illumination for dependable color detection. Communicating through the I2C interface, it seamlessly integrates with Arduino and other microcontrollers, making it perfect for robotics, sorting systems, smart lighting, and interactive electronics projects. Features: Color Sensing: Detects RGB and clear light for color recognition. Ambient Light Sensing - Adjusts display brightness dependent on the surroundings. Industrial Sorting - Used for automated color-based material sorting. Smart Lighting - Adjusts LED hues based on observed light. Medical Devices - Aids in color analysis and diagnoses. Consumer Electronics - Improves camera and display performance. Agriculture - Measures plant health through light absorption. Applications: Color Detection Ambient Light Sensing Industrial Process Control Food Processing Medical Diagnostics RGB LED Control Consumer Electronics Health and Fitness Devices TCS34725 RGB Color Sensor Pinout: VCC: Power supply (3.3V to 5V) GND: Ground SDA: Serial Data Line (I2C data) SCL: Serial Clock Line (I2C clock) INT: Interrupt output (active low, can be used for threshold alerts)

SmartElex DRV8825 Stepper Motor Driver Module with Aluminum Heat Sink The SmartElex DRV8825 Stepper Motor Driver Module with Aluminum Heat Sink is a compact and efficient solution for controlling bipolar stepper motors with high precision. Built around the trusted TI DRV8825 IC, it supports microstepping up to 1/32 step, enabling smoother motion and finer positional accuracy in applications like 3D printing, CNC machining, and robotics. The module can deliver up to approximately 2.2A peak current with proper cooling, while the integrated aluminum heat sink ensures effective thermal management during continuous operation. Its adjustable current limiting feature protects the motor and driver, improving overall system reliability. With a simple STEP and DIR interface, the module easily integrates with popular platforms such as Arduino, ESP32, and Raspberry Pi, making it an excellent choice for both DIY enthusiasts and professional motion control systems. Features: Based on the TI DRV8825 microstepping bipolar stepper motor driver. Onboard adjustable current limiting potentiometer Supports microstepping up to a 1/32 step. Simple STEP/DIR control interface. Thermal shutdown, overcurrent, and undervoltage protection. Works with 3.3 V and 5 V logic systems. Compact breakout board with an aluminum heat sink for improved cooling.

SmartElex 8V to 35V A4988 Stepper Motor Driver Module The SmartElex 8V to 35V A4988 Stepper Motor Driver Module is a high-performance Stepper Motor Driver Module built for accurate and efficient motor control. Operating within an exact voltage range of 8V to 35V, it can supply up to 2A per coil when adequate cooling is provided. This microstepping stepper motor driver features internal synchronous rectification, mixed decay current control, and thermal shutdown protection, ensuring smooth motion, reduced motor noise, and reliable operation. With its built-in current converter, the A4988 minimizes processing load on microcontrollers, making it an excellent choice for applications like 3D printers, CNC machines, robotics, and other precision motion control systems. Features: Automatic detection and selection of the current decay mode. Mixed with the slow current decay mode. The low power dissipation of synchronous rectifiers. Internal UVLO (ultra-voltage lockout). Crossover current protection. Thermal shut-down circuit. Ground-fault protection. Load and short circuit protection. The optional five-step mode includes full, 1/2, 1/4, 1/8, and 1/16.

Cytron SHIELD-MD10 – 10A 7V–30V DC Motor Driver Shield for Arduino The Cytron SHIELD-MD10 is a high-performance 10A DC motor driver shield designed for Arduino and compatible development boards. Built specifically for brushed DC motors, it supports 7V–30V motor voltage and delivers up to 10A continuous current, making it ideal for robotics, automation, RC systems, DIY machines, and educational electronics. With solid-state MOSFETs and a fully NMOS H-Bridge design, the Cytron SHIELD-MD10 ensures efficient, fast, and reliable motor control without the need for a heatsink, helping creators achieve accurate speed and direction control with minimal wiring. Optimized for maximum compatibility, the shield stacks directly onto popular boards like Arduino UNO R3, Arduino Mega 2560, Maker UNO, Maker UNO Plus, Arduino Leonardo, CT-UNO, and CT-ARM. Featuring selectable digital pins for PWM and DIR, stackable headers, and regenerative braking, the Cytron SHIELD-MD10 offers unmatched flexibility for robotics and mechatronics projects. Whether you're building a DIY robot, conveyor system, or motorized prototype, this durable and high-current driver shield delivers smooth performance and long-lasting reliability. Features: Bi-directional control for one brushed DC motor with smooth speed and direction adjustment. Supports motor voltage from 7V–25V (Rev 1.0) and 7V–30V (Rev 2.0). Delivers 10A continuous and 15A peak current for high-torque applications. Uses fully solid-state components with NMOS H-Bridge for high efficiency. No heatsink required thanks to low-loss MOSFET design. Supports both 3.3V and 5V logic inputs, making it compatible with multiple controllers. Regenerative braking for safe and controlled stopping. Stackable pin headers allow adding more Arduino shields. Selectable digital pins for PWM and direction via jumpers. PWM frequency supported up to 10 kHz for fine speed control.

SmartElex 5S 6V-30V DC Motor Driver The SmartElex 5S 6V–30V DC Motor Driver is a robust and efficient DC motor driver built specifically for brushed DC motors, combining simplicity with high power performance. Operating on a wide input voltage range of 6V to 30V DC, it supports 5S battery configurations, making it ideal for robotics, automation, and DIY mechatronics systems. This brushed DC motor driver is easy to interface with microcontrollers, allowing smooth motor speed and direction control with minimal setup. Designed for reliability and versatility, it serves as a dependable high-power DC motor driver for applications that demand stable and efficient motor operation. Features: The motor can operate at voltages ranging from 6 to 30 V. Without a heat sink, the maximum current is 5A, with a peak current of 10A for 10 seconds. One brushed DC motor with bidirectional control. Current limiting at 5 amps. Overvoltage lockout. PWM frequency is up to 32 kHz. Supports TTL PWM from the microcontroller. Internal thermal shutdown. Undervoltage lockout. Drive four externally powered NMOS transistors using PWM and direction control. 3.3V and 5V logic level inputs

SmartElex DRV2605L Haptic Motor Driver The SmartElex DRV2605L Haptic Motor Driver is a high-performance haptic motor driver module based on Texas Instruments’ DRV2605L IC, built to deliver precise and immersive vibration feedback. Unlike basic motor control, this haptic driver enables advanced effects such as vibration ramp-up and ramp-down, sharp click sensations, varied buzzer intensities, and even audio-reactive haptics. Controlled via I2C, the DRV2605L allows multiple haptic effects to be stored and triggered sequentially, creating smooth and realistic tactile feedback. With built-in waveform libraries and support for ERM and LRA motors, it significantly enhances user experience in human–machine interfaces, wearables, and interactive electronics projects. Features: Advanced control for haptic motors with various effects. Supports ramping, clicks, and different buzzer levels. Allows audio-responsive vibration for unique feedback. The I2C interface facilitates integration with controllers. Built-in memory saves sequences for smooth actuation. Improves user experience with precise haptic feedback.

SmartElex Serial Bus Servo Driver Board, Integrates Servo Power Supply and Control Circuit The SmartElex Serial Bus Servo Driver Board is an advanced Servo Driver Board designed to simplify high-density servo control in robotics applications. It integrates a reliable Servo Power Supply and intelligent Control Circuit, allowing seamless communication with your MCU or host system through a single UART interface With sufficient external power, the board can manage up to 253 ST/SC-series serial bus servos, each capable of delivering detailed feedback such as position angle, load, operating voltage, temperature, and working mode. This centralized control approach minimizes wiring, saves space, and ensures precise, synchronized motion, making it an excellent choice for complex robotic systems and professional-grade automation projects. Features: Supports a serial UART interface to the MCU/host for servo control. Drives up to 253 ST/SC series serial bus servos concurrently. Onboard DC power supply (9V to 12.6V) for the servo rail. Servo feedback includes angle, load, voltage, mode, temperature, and error. Integrated control circuit for reliable operation and signal integrity. Jumper or switch to choose between UART and USB connection modes. Compact PCB footprint (approx. 42 x 33 mm) for confined places. Dual power inputs: DC barrel jack and screw terminal choices.

SmartElex 10D DC Motor Driver HAT for Raspberry Pi | PWM Driver HAT with PWM Speed Control The SmartElex 10D DC Motor Driver HAT is a compact and reliable expansion board designed specifically for Raspberry Pi to control DC motors with precise speed control. It helps users drive motors directly from the Raspberry Pi without complex wiring or external driver circuits, making motor control simpler and safer. This HAT is ideal for students, makers, educators, and engineers who are building robotics or motion-based projects and want a clean, plug-and-play solution. This motor driver HAT is widely used in robotics, automation systems, and prototyping projects where smooth and controlled motor operation is required. With PWM-based speed control and seamless Raspberry Pi compatibility, it allows easy integration into existing projects and code setups. The stable performance and straightforward design make it suitable for classroom learning, DIY robotics, and early-stage product development where reliable motor control is essential. Hardware Overview Features: Designed specifically as a motor driver HAT for Raspberry Pi PWM-based speed control for smooth motor operation Supports both single-signal and dual-signal motor control modes Simple plug-and-play installation on Raspberry Pi GPIO header Ideal for robotics, automation, and motion control projects Reliable performance suitable for education, prototyping, and DIY builds How to Use The SmartElex 10D DC Motor Driver HAT can be controlled in two different ways depending on your project requirements. Using Two Control Signals (Speed and Direction) In this mode, two separate control signals are used. The PWM signal is applied to the PWM pin to control the motor speed, while the DIR pin is used to control the motor direction. This method offers straightforward and precise control, making it ideal for most robotics and automation applications. Using One Control Signal (Combined Speed and Direction) In this mode, only one control signal is required. The PWM pin is connected to a logic high level, and the DIR pin receives the PWM signal. When the PWM duty cycle is 50%, the motor stops. If the duty cycle is below 50%, the motor rotates in one direction, and if it is above 50%, the motor rotates in the opposite direction. The actual rotation direction depends on the motor wiring

Sunny Sky V2806 KV650 Brushless Motors Sunnysky V series of motors are specially designed to power long-endurance multirotor aircraft. Design styles of the whole series are high efficiency, stable structure, lightweight, high consistency, etc. These flat Sunny Sky V2806 motors are designed for long-flight time multi-rotors. These motors can produce enough torque at low RPM and work at peak efficiency during flight. The whole series uses Sunnysky’s patented Stepped and knurled design that not only efficiently prevents motors from getting loose, but also reduces the probability of malfunction and unstable output power. The whole series use original Japanese EZO bearings that provide quiet and stable flight in the air. With the guarantee of strength, the caps of V motors are highly hollow-cutted to save weight, so that these Sunny Sky V2806 motors can reach the maximum thrust-to-weight ratio and gain more flight time. Features: Delivers powerful performance with high output, enabling excellent speed and  agility for RC vehicles Built with high-quality materials and precision engineering for durability and long-lasting use Optimized for efficient operation, helping improve performance while extending flight time Designed for easy installation and compatibility with a wide range of RC setups Suitable for multiple applications including drones, multi-rotors, and fixed-wing aircraft Ensures smooth and stable control for better handling and precise flight maneuvers

SmartElex Industrial Grade 15D DC Motor Driver The SmartElex Industrial Grade 15D DC Motor Driver is a powerful and reliable smart motor driver built for precise speed and direction control of DC motors in industrial and automation applications. This 15D Motor Speed Controller Board supports 15 amps continuous current and handles peak loads up to 30 amps for 10 seconds, making it suitable for high-torque motor operations. Operating at a 16 kHz switching frequency, the DC Motor Driver ensures quiet and smooth performance. Integrated with an intelligent microcontroller, it offers essential safety features like current limiting and thermal protection. The smart temperature control system automatically reduces motor speed by 50% at 80°C, restores normal operation below 70°C, and completely shuts down at 100°C, protecting both the motor and driver for long-lasting, stable performance. Features: Support motor voltages ranging from 7V to 28V. independent direction and speed control Onboard Low-internal resistance MOSFETs are switched at a frequency of 16 KHz. Overcurrent and thermal protection.

25 x 3mm Neodymium Disc Circular Magnet This 25mm x 3mm Neodymium Disc Magnet is a high-strength rare earth magnet designed for projects that require maximum magnetic force in a compact size. Made from premium NdFeB neodymium alloy, this disc magnet delivers exceptional holding power, making it ideal for DIY crafts, industrial applications, science experiments, home repairs, and various electronic uses. With a durable Ni-Cu-Ni triple coating, it offers corrosion resistance and long-lasting performance. Its compact disc shape makes it easy to use in projects such as motors, speakers, sensors, household repairs, custom holders, craft models, and magnetic displays. Whether you're creating functional mechanisms or designing mechanical setups, this magnet provides reliable magnetic force and stable attachment for multiple use cases. Features: High-quality NdFeB (Neodymium) rare earth material ensures strong magnetic performance. Compact 25mm × 3mm disc size ideal for both DIY and industrial projects. Triple-layer Ni-Cu-Ni coating prevents rust, corrosion, and surface damage. Magnetized through the diameter for stable and uniform magnetic force. Precision build with ±0.1 mm tolerance for accurate fitting in assemblies. Suitable for applications in electronics, tools, crafts, models, motors, and sensors. Safe operating temperature up to 80°C, ensuring reliability across environments

Cytron URC10 Sumo Robot Controller R1.1 Arduino-Compatible Motor Driver Board The Cytron URC10 Sumo Robot Controller R1.1 is a powerful all-in-one robotics control board designed specifically for competitive sumo robot building. It combines an Arduino-compatible ATmega328P microcontroller, a dual 10A motor driver, and dedicated interfaces for ultrasonic, digital, and analog sensors - making it one of the most efficient and beginner-friendly solutions for robot builders. With support for 8V–25V DC motors, 30A peak current, and high-frequency PWM control, this controller ensures strong pushing power and fast maneuverability for 3kg sumo robot competitions. Cytron engineered the URC10 to simplify robot development by integrating essential hardware like built-in test buttons, motor output LEDs, onboard 5V/3.3V regulators, and a Micro-USB interface for programming. Whether you're designing autonomous systems, competitive sumo robots, or experimenting with robotics, the Cytron URC10 offers reliable performance, stable motor control, and easy sensor expansion for both beginners and advanced makers. Features: Designed specifically for up to 3kg sumo robot applications. Built around the Arduino-compatible ATmega328P microcontroller with Optiboot Bootloader. Integrated dual 10A continuous motor driver (30A peak per channel) for high-power brushed DC motors. Supports 8V–25V motor voltage for a wide range of robot motors. Features current limiting at 30A per channel for safe operation under heavy loads. Includes motor test buttons for quick verification without uploading code. Motor output status LEDs for easier debugging and inspection. Compatible with sign-magnitude and locked-antiphase PWM, supporting up to 20kHz frequency. Onboard 5V, 1A regulator and 3.3V, 500mA regulator for powering sensors and modules. Dedicated pins for motors, ultrasonic sensors, digital I/O, and analog sensors. Includes USB Micro-B + CH340 USB-serial system for easy programming upload. Provides 1× I2C port for additional modules. Compact design with dimensions 75.57mm × 99.7mm. Note: Reverse polarity protection is not included.

ESP32 LoRa with 0.96 Inch Blue OLED Display ( Type C- Connector) The ESP32 LoRa SX1278 is a next-generation IoT development board made for smooth connectivity and long-range, low-power communication. The Tensilica LX6 dual-core ESP32 processor (240MHz, 520 KB SRAM, 600 DMIPS) powers it. The esp32 wifi module for Arduino  has dual-mode Bluetooth (Classic + BLE) and Wi-Fi (802.11 b/g/n HT40) for fast, flexible networking. This esp32 lora module provides ultra-long-range transmission up to 2.6km with an inbuilt SX1278 LoRa modem, 433MHz, -148dBm sensitivity, and +20dBm output power, guaranteeing great dependability for distant Internet of Things applications. It has a CP2102 USB-to-serial chip, a 0.96-inch OLED display, 32MB Flash, and lithium battery charging. It was designed with efficiency and innovation in mind. This ESP32 with an OLED display  is completely compatible with Arduino, enabling developers to design intelligent, scalable solutions for the Internet of Things' future. Check out our collection of LoRa Modules ! Features: Uses Lexin ESP32 as main controller and SX1278 as wireless communication module. Comes with an OLED display. Supports Bluetooth and WiFi connectivity. ESP32 chip is based on Tensilica Xtensa LX6 dual-core microprocessor with operating frequency up to 433MHz. High sensitivity of about -148dBm. Power output of +20 dBm. Operates on 433MHz-510MHz frequency range. Suitable for remote modem applications that require long-range wireless communication. ESP32 LoRa Pinout: Applications Smart industrial devices, including Programmable Logic Controllers (PLCs) Smart medical devices, including wearable health monitors. Smart energy devices, including HVAC and thermostats. Smart security devices, including surveillance cameras and smart locks.