L293D 4 Channel DC Motor Driver

Cytron SHIELD-3AMOTOR 1.2A Dual Channel 7V–30V DC Motor Driver Shield for Arduino The Cytron SHIELD-3AMOTOR is a high-performance, dual-channel DC motor driver shield designed for Arduino users who need reliable and efficient motor control. Supporting motor voltages from 7V to 30V and delivering up to 3A peak and 1.2A continuous current per channel, this shield is ideal for robotics, automation, DIY RC vehicles, and mechatronics projects. Its compatibility with Arduino UNO, Mega, Leonardo, Zero, 101, and other popular boards makes it a plug-and-play solution for both beginners and advanced makers searching for powerful motor-driving capabilities. Built using the DRV8871 motor driver IC, the Cytron SHIELD-3AMOTOR supports both Signed Magnitude and Locked Anti-Phase control modes via an easy DIP switch selector. Additional features such as current limit protection, stackable headers, quick-test pushbuttons, and direct connectors for the LSS05 auto-calibrating line sensor make this shield perfect for building reliable robot platforms, line-followers, and dual-motor systems. With strong motor handling and seamless Arduino integration, this Cytron shield makes high-current motor control simple, safe, and efficient. Features: Dual-channel brushed DC motor driver shield designed for full Arduino compatibility. Supports 7V–30V motor voltage, suitable for a wide range of DC motors. Handles 3A peak and 1.2A continuous current per channel, ideal for medium-power robotic applications. Built-in current limit protection for safer motor operation. Compatible with 3.3V and 5V logic input, supporting various Arduino boards. DRV8871 IC ensures smooth, efficient, and reliable motor control. Selectable control modes: Signed Magnitude and Locked Anti-Phase via DIP switches. Stackable header pins for easy integration with additional shields. Quick-test switches provided for rapid motor testing on both channels. Includes dedicated connector for Cytron LSS05 Line Sensor, ideal for line-following robots. (Note: No polarity protection for motor supply input - connect with care.)

SmartElex 12V 7A Single Channel Power Relay Module The SmartElex 12V 7A Single Channel Power Relay Module is a dependable switching solution designed to control higher-power electrical loads using low-voltage control signals. It helps protect microcontrollers and sensitive electronics by providing proper isolation between the control circuit and the load side. This module is suitable for students, makers, engineers, educators, and startups who are working on control systems, automation projects, or embedded applications that require safe and reliable power switching. This single channel power relay module is ideal for robotics, IoT systems, home automation, and industrial control projects where devices such as motors, lights, pumps, or other electrical equipment need to be switched reliably. It can be easily interfaced with popular development platforms like Arduino, Raspberry Pi, and ESP32, making it convenient for both prototyping and final product integration. The simple design and consistent performance allow users to build stable control systems without added complexity. Features: Single channel power relay module for high-load switching Operates on 12V, suitable for automation and control systems Supports up to 7A load current for power applications Electrical isolation between control side and load side for safety Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Compact and durable design for easy integration into projects

Cytron Maker UNO X – Arduino Compatible Development Board for Classroom The Cytron Maker UNO X is a beginner-friendly, classroom-ready Arduino-compatible development board designed to simplify STEM education. Equipped with built-in LEDs on every digital pin, a programmable push button, a piezo buzzer, and a powerbank-friendly design, it eliminates messy wiring and allows students to start coding instantly. This board is ideal for Arduino beginners, school STEM labs, coding clubs, training centers, and anyone learning microcontroller basics. With plug-and-play functionality and seamless compatibility with Arduino IDE, it delivers a smooth learning experience for educators and students alike. Created with the needs of teachers in mind, the Cytron Maker UNO X features an onboard half-size breadboard and perfboard for quick prototyping, making it easy to build hands-on electronics projects right out of the box. Powered by the ATmega328P, and complete with essential interfaces like UART, SPI, I2C, PWM pins, and analog inputs, this board is perfect for exploring coding, electronics, and robotics in a structured classroom setup. Whether for STEM workshops, school projects, or Arduino training programs, Maker UNO X provides an engaging, frustration-free learning experience. Features: Fully Arduino UNO-compatible board designed specially for classrooms and STEM beginners. Built-in LED indicators on every digital pin, allowing students to visualize code output instantly without wiring. Includes piezo buzzer, programmable push button, and powerbank-friendly operation for portable projects. Comes with an onboard perfboard prototyping area and a half-size breadboard to simplify hands-on experiments. Powered by the reliable ATmega328P microcontroller with 16MHz clock speed and full support in Arduino IDE. Offers 20 digital I/O pins, 6 PWM pins, 6 analog inputs, and communication interfaces (UART, SPI, I2C). Features 32KB Flash, 2KB SRAM, 1KB EEPROM, making it ideal for beginner programming and small-scale electronics projects. Uses a USB Micro-B interface with CH9340 USB-UART chip (note: not supported on Windows 7). Designed by Cytron to support educators - ensures faster learning with fewer wiring issues and more hands-on coding.

Cytron UNO Special Edition – Arduino-Compatible Board with Side Connectors The Cytron UNO Special Edition (CT-UNO-SE) is a fully Arduino-compatible development board designed for makers, students, and hobbyists who need reliable performance for DIY electronics and robotics projects. Built around the ATmega328P microcontroller, this board offers the familiar Arduino UNO experience while adding enhanced stability with the FTDI FT231X USB-to-Serial chip, ensuring smoother programming and communication. Whether you're prototyping sensors, robotics circuits, or automation systems, this board delivers a dependable and beginner-friendly platform for all your microcontroller learning needs. What makes the CT-UNO-SE stand out is its unique side connectors, allowing it to be stacked on top of or beneath Arduino shields, giving you maximum flexibility while building layered circuits or compact embedded systems. With full Arduino UNO R3 shield compatibility, 14 digital I/O pins, 6 analog inputs, and both 5V and 3.3V regulated outputs, this special edition board combines convenience, versatility, and long-term durability - all wrapped into a sleek white PCB that makes your projects look clean and professional. Features Built with the ATmega328P microcontroller paired with the Optiboot bootloader for faster program uploads. Equipped with the FTDI FT231X USB interface, offering stable and reliable serial communication. Supports a wide DC input range of 7–15V, suitable for most maker power setups. Includes a 1A 5V regulator and 500mA 3.3V regulator for powering sensors and modules. Offers 14 digital I/O pins (6 PWM) and 6 analog inputs for versatile interfacing. Fully R3 shield compatible with special side connectors for flexible stacking. Features 32KB Flash memory, 2KB SRAM, and 1KB EEPROM for program storage. Comes with easily visible TX, RX, power, and pin-13 LEDs placed on the board edge. Utilizes a durable USB Micro-B connector on a clean white PCB. Dimensions

SmartElex 12V 3A 2 Channel Signal Relay Module The SmartElex 12V 3A 2 Channel Signal Relay Module is a compact and dependable solution for controlling multiple electrical loads using low-power control signals. It allows users to switch devices safely without directly handling higher voltages or currents, helping protect sensitive control circuits. This relay module is suitable for students, makers, engineers, educators, and startups working on embedded systems, control projects, and automation setups that require reliable dual-channel switching. This 2-channel relay module is ideal for robotics, IoT applications, home and industrial automation, and general prototyping where two devices need to be controlled independently. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, making it simple to control lights, motors, pumps, alarms, or other external equipment. The straightforward design and stable performance make it easy to integrate into both experimental projects and finished products, supporting consistent and safe operation. Features: Dual-channel relay module for controlling two devices independently Operates on 12V, suitable for automation and control systems Supports up to 3A load current per channel Provides electrical isolation between control and load circuits Compatible with Arduino, Raspberry Pi, ESP32, and other controllers Compact design with LED indicators for easy status monitoring

7Semi SHT40 Temperature & Humidity Sensor Breakout I2C Qwiic SHT40 Breakout (ES-13514) The 7Semi SHT40 Temperature & Humidity Sensor Breakout (I2C Qwiic) is a compact and reliable sensor module designed to measure both temperature and humidity with high accuracy. It is based on the Sensirion SHT40 sensor, making it suitable for modern electronics projects that need precise environmental data. This breakout board supports I2C communication and comes with a Qwiic connector, allowing quick and solder-free connections with microcontrollers like Arduino, ESP32, and Raspberry Pi. Its small size and low power consumption make it ideal for IoT devices, weather monitoring, indoor air quality projects, and learning applications where simplicity and accuracy matter. Features: High-accuracy temperature and humidity sensing using the SHT40 sensor Supports I²C communication for easy integration with microcontrollers Qwiic connector enables quick, solder-free plug-and-play connections Wide measurement range of 0–100% RH and –40°C to +125°C temperature Low-power and compact design, ideal for IoT and battery-powered projects Compatible with Arduino, Raspberry Pi, ESP32, and other development boards SHT40 Board Dimensions

SmartElex BMM150 3 Axis Magnetometer Sensor The SmartElex BMM150 3 Axis Magnetometer Sensor is a compact digital sensor designed to measure magnetic fields along three axes. It helps users accurately detect orientation and heading, making it useful in projects where direction sensing and magnetic field measurement are required. This sensor is suitable for students, makers, engineers, educators, and startups working on embedded systems, learning projects, and prototype development that need reliable magnetic sensing in a small and easy-to-use form. This 3 axis magnetometer sensor is commonly used in robotics, IoT devices, navigation systems, and automation projects that require compass functionality or motion awareness. It can be easily integrated with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing smooth data communication and quick setup. The stable performance and simple interfacing make it ideal for applications like robot navigation, electronic compasses, orientation tracking, and smart sensor-based systems Note - The default configuration of module is I2C interface, for SPI interface remove I2C smd jumper & short SPI smd jumper on module. Features: Measures magnetic field strength along three axes (X, Y, and Z) Enables accurate heading and orientation detection Digital output for easy interfacing with microcontrollers Low power operation suitable for battery-powered projects Compact sensor design for space-constrained applications Compatible with Arduino, Raspberry Pi, ESP32, and other development boards

Cytron UNO – Arduino UNO Compatible Board with USB Micro-B The Cytron UNO is a fully Arduino UNO compatible development board built with the reliable ATmega328P microcontroller, making it ideal for beginners, students, hobbyists, and electronics enthusiasts. Designed to offer the same functionality as the Arduino UNO R3, the Cytron UNO includes 14 digital I/O pins, 6 PWM outputs, 6 analog inputs, UART, SPI, I2C, and full R3 shield compatibility. With USB Micro-B connectivity, you can easily program the board using the same cable used for Android phones and power banks - making it more convenient and cost-friendly for modern makers. Cytron further enhances the board with a stronger onboard voltage regulator, improved power handling, and repositioned LEDs on the edge for better visibility, even when a shield is attached. The CT-UNO also includes extra standard pads for custom shields, an FTDI-based USB interface for stable programming, and robust DC input support from 7V to 15V. Whether you’re building IoT prototypes, robotics, embedded systems, or learning coding fundamentals, the Cytron UNO delivers reliability, ease of use, and full compatibility with the entire Arduino ecosystem. Features Powered by SMD ATmega328P with Optiboot (UNO R3) bootloader for fast programming. USB programming enabled by stable FTDI FT231X chip for improved reliability. Supports DC 7–15V input with upgraded onboard voltage regulator for higher output current. Offers 14 digital I/O pins, including 6 PWM outputs, and 6 analog inputs for versatile projects. Fully Arduino UNO R3 shield compatible with ISP header and broken-out SDA, SCL, IOREF pins. Uses USB Micro-B socket, compatible with standard Android phone cables. LEDs relocated to board edge for clear visibility during development. Includes additional 2.54mm pads for creating custom shields. White PCB design with clean layout and Cytron build quality. Dimensions

Cytron Maker Pi RP2040 – Robotics Controller Board with Raspberry Pi The Cytron Maker Pi RP2040 is a compact, beginner-friendly robotics controller board powered by the Raspberry Pi RP2040 microcontroller. Designed for DIY robotics, automation, and motion-control projects, this board integrates a dual-channel DC motor driver, four servo ports, and seven Grove connectors - giving makers everything they need to build robots without complex wiring. With compatibility across CircuitPython, MicroPython, C/C++, and even the Arduino ecosystem, this board ranks among the best RP2040 robotics controllers for students, hobbyists, and educators. Built for convenience, the Maker Pi RP2040 supports multiple power input options (USB, LiPo battery, or VIN), includes onboard functional test buttons, and features status LEDs for easy debugging. The preloaded demo code lets you start controlling motors, playing melodies, and testing GPIOs right out of the box. Whether you are exploring Raspberry Pi’s RP2040 ecosystem or building an advanced robot, the Cytron Maker Pi RP2040 robot controller offers exceptional versatility, ease of use, and reliable motor-driving performance. Features: Powered by the Raspberry Pi RP2040 dual-core Arm Cortex-M0+ processor. Includes dual-channel DC motor driver and four servo motor ports for robotics. Seven Grove ports support digital, analog, I2C, SPI, and UART expansion. Preloaded with CircuitPython for easy plug-and-play coding. Supports USB 5V, LiPo 1-cell battery, or 3.6–6V VIN input with automatic switching. Built-in LiPo charging circuit with safety protections. Onboard piezo buzzer, RGB LEDs, GPIO test LEDs, and push buttons. Quick-test buttons and motor output LEDs for immediate motor testing. Fully compatible with the Raspberry Pi Pico ecosystem, MicroPython, C/C++, and Arduino cores. Includes LEGO-compatible mounting holes and M3 mounting points. Board Layout: Dimension:

7Semi SHT40 SGP40 VOC Environmental Monitoring Sensor Module Qwiic-Ready The 7Semi SHT40 + SGP40 VOC Environmental Monitoring Sensor Module is designed to help you measure temperature, humidity, and air quality with high accuracy and minimal effort. Built with advanced SHT40 and SGP40 sensing technology, this compact module delivers precise data for temperature (–40°C to 125°C), humidity (0–100% RH), and VOC levels with excellent response time and reliability. Whether you're prototyping with Arduino, Raspberry Pi, or any I2C-based microcontroller, the Qwiic-compatible interface makes integration incredibly simple and clean. This breakout board is ideal for home automation, indoor air-quality projects, workplace monitoring, or industrial systems where accurate VOC readings matter. Its low power consumption and digital 16-bit output make it highly suitable for long-term IoT deployments, high-precision environmental sensing projects, and portable air-quality monitors. Features: Designed as a compact breakout board integrating the SHT40 high-precision temperature and humidity sensor and the SGP40 VOC sensor for reliable environmental monitoring. Offers fast and accurate measurements, including ±0.2°C temperature accuracy and ±1.8% RH humidity accuracy, ensuring dependable readings in various environments. Qwiic-compatible interface enables effortless plug-and-play connectivity with I2C-enabled microcontrollers and SBCs without soldering. Produces 16-bit digital raw and processed VOC Index signals for easy integration into data-logging, automation, or IoT systems. Ensures low power consumption, making it suitable for battery-powered and continuous-monitoring applications. Built to detect a wide range of volatile organic compounds such as ethanol, acetone, and formaldehyde with high sensitivity and quick response times. Board Dimensions: Arduino I2C Connection Diagram:

SmartElex NS612 PIR Motion Sensor Module The SmartElex NS612 PIR Motion Sensor Module is a passive infrared motion detection solution designed to sense human movement by detecting changes in infrared radiation. It helps automate systems by triggering actions only when motion is detected, reducing unnecessary power usage and improving system efficiency. This module is suitable for students, makers, engineers, educators, and startups working on electronics projects that require reliable and responsive motion sensing for security, automation, or interactive applications. This PIR motion sensor module is widely used in robotics, IoT devices, security systems, and home or industrial automation projects where motion detection is essential. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick integration into prototypes and working systems. The dependable performance and simple interface make it ideal for applications like motion-activated lighting, alarm systems, smart monitoring solutions, and embedded electronics projects. Features: Passive infrared (PIR) sensor for accurate human motion detection Detects movement by sensing changes in infrared radiation Long sensing range suitable for wider coverage areas Low power consumption for battery-powered applications Digital output for easy interfacing with microcontrollers Compatible with Arduino, Raspberry Pi, ESP32, and similar boards

7Semi 5A Analog INA169 DC Current Sensor Breakout The 7Semi 5A Analog INA169 DC Current Sensor Breakout is a precision Analog DC current sensor designed for accurate current monitoring in electronic circuits. Powered by the trusted INA169 chip, it delivers consistent current readings up to 5A across a wide input range of 2.7V to 60V. Its low offset voltage and minimal quiescent current ensure reliable measurements, while adjustable gain and overcurrent protection add versatility for various applications. Compact and easy to integrate with microcontroller-based systems, this INA169 current sensor is perfect for IoT projects, battery management, power monitoring, and smart energy solutions, providing dependable performance for both hobbyists and professional engineers. Features: Wide Voltage Range Compatibility: Operates efficiently between 2.7V and 60V, making it suitable for both low and high-voltage applications. High-Side Current measuring: Enables unipolar high-side current measuring for safer and more accurate readings. Customizable Gain Control: Easily alter output sensitivity with a single resistor to meet your individual application requirements. Built-in Signal Amplifier: Provides clean and amplified output signals for accurate ADC conversion. Overcurrent detection protects connected components by detecting and responding to excessive current. Low Quiescent Current: Consumes only 60 µA, making it ideal for energy-sensitive projects. Microcontroller-Friendly: Fully compatible with Arduino, ESP32, STM32, Raspberry Pi, and other development boards. Compact Design: Small form factor excellent for embedded system integration and space constraints. Connection Diagram with Arduino:

SmartElex NS412 Digital PIR Motion Sensor Module The SmartElex NS412 PIR Motion Sensor is a compact NS412 PIR Motion Sensor module designed for accurate human body detection in electronic and automation projects. It helps users detect movement by sensing changes in infrared radiation, making it useful for security, energy saving, and smart control applications. This human body detection module is suitable for students, makers, educators, engineers, and startups who want a simple and reliable way to add motion sensing to their projects. The sensor works smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, allowing easy integration into robotics, IoT devices, and automation systems. Its stable digital output makes it ideal for applications like smart lighting, intrusion detection, occupancy sensing, and DIY prototypes. With easy interfacing and dependable performance, this module enables developers to quickly build motion-based solutions for real-world use. Features: Accurate motion detection using infrared sensing technology Designed for reliable human body detection applications Digital output for easy connection with microcontrollers Compatible with Arduino, Raspberry Pi, and ESP32 boards Low power operation suitable for continuous monitoring Ideal for security systems, smart lighting, and automation projects

SmartElex LIS3DH Triple Axis Accelerometer Breakout The SmartElex LIS3DH Triple Axis Accelerometer Breakout is a compact motion sensor module designed to measure acceleration along the X, Y, and Z axes. It helps users detect tilt, vibration, movement, and orientation, making it ideal for students, makers, educators, and engineers working on motion-responsive electronics. This lis3dh accelerometer offers a beginner-friendly way to collect movement data without complex circuitry, allowing users to focus on learning, building prototypes, or integrating sensors into real-world applications. This 3-axis accelerometer sensor is commonly used in robotics, handheld electronics, IoT devices, gesture recognition systems, and automation projects that require accurate motion sensing. It integrates smoothly with Arduino, Raspberry Pi, ESP32, and other microcontroller platforms, making programming and hardware connections straightforward. With reliable output and easy compatibility, the SmartElex LIS3DH sensor is a practical choice for prototyping, academic learning, DIY electronic builds, and product development where consistent acceleration measurement is required. Features: Triple-axis accelerometer for detecting movement and orientation Measures acceleration along X, Y, and Z axes with reliable output Compact breakout board for easy integration in embedded projects Compatible with Arduino, Raspberry Pi, ESP32, and similar platforms Ideal for robotics, IoT devices, gesture control, and automation projects Great for prototyping, STEM education, and motion-based product development

SmartElex RJ45 magjack Connector Breakout Board The SmartElex RJ45 MagJack Connector Breakout Board is a convenient module designed to make Ethernet connectivity accessible for custom electronics projects. It breaks out an RJ45 Ethernet jack with integrated magnetics, allowing users to interface network signals with development boards, prototypes, and embedded circuits without needing to design their own connector layout. This board is ideal for students, makers, engineers, educators, and startups who want to experiment with wired networking, communication protocols, or LAN-based control in robotics and IoT applications. This RJ45 MagJack breakout board is commonly used in IoT networks, automation systems, communication modules, and hardware prototypes that require Ethernet access for data transfer or device control. It can be used with platforms like Arduino, Raspberry Pi, ESP32, and other microcontroller boards that support Ethernet interfacing through additional hardware or modules. With reliable connectivity and a beginner-friendly breakout design, the SmartElex RJ45 MagJack Connector Breakout Board is a practical choice for testing, learning, and developing Ethernet-enabled electronic devices and embedded systems. Features: Breaks out an RJ45 MagJack Ethernet connector to easy-to-use pins Simplifies Ethernet interfacing for prototyping and custom circuits Integrated magnetics for stable network signal handling Compatible with Arduino, Raspberry Pi, ESP32 (with Ethernet support) Ideal for IoT, automation, LAN communication, and embedded systems Great for testing, learning, and building Ethernet-enabled devices