0.96 Inch OLED Display Module SPI/I2C 4pin Blue Color

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

7Semi MCP23017 I2C to 16 IO Expander Breakout Board The 7Semi MCP23017 I2C to 16 IO Expander Breakout Board is designed to expand the digital I/O capability of microcontrollers using the trusted MCP23017 I2C IO Expander IC. It provides exactly 16 configurable GPIO pins over a single I2C bus, reducing wiring complexity while maintaining stable performance. Each pin can be independently set as input or output, and the onboard interrupt feature allows the controller to respond instantly to pin state changes. This MCP23017 Breakout Board is compact, easy to integrate, and ideal for applications such as home automation, robotics, industrial control panels, and any project that requires multiple digital inputs and outputs without consuming extra microcontroller pins. Features: 16 I/O Pins: Converts two signal pins into sixteen completely customizable I/O pins. Multi-board Expansion: For larger applications, stack up to 8 boards to provide up to 128 I/O pins. Configure I2C addresses by setting the A0, A1, and A2 jumpers. Dual Connectivity: Includes PH2.0 terminal and solder pad choices for simple connection. Wide Compatibility: Compatible with both 3.3V and 5V systems, ensuring platform versatility. Interrupt Support: The INTA and INTB interrupt pins are used for real-time signal handling. Development Resources: Includes detailed instructions and sample projects for Raspberry Pi, Arduino, STM32, and micro. Easy Integration: The I2C interface, combined with a 4Pin 2.0 mm JST connector, provides for an easy and flexible connection to any MCU.

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

SmartElex ILD213T Opto-isolator Breakout Board SmartElex ILD213T Opto-isolator Breakout Board is designed to provide reliable electrical isolation between two circuits, helping protect sensitive components from voltage spikes, noise, and ground loop issues. This opto isolator board uses the ILD213T optocoupler to safely transfer signals while keeping high-voltage and low-voltage sections separated. It is a practical solution for students, hobbyists, engineers, educators, and startups who need to interface microcontrollers with external hardware without risking damage to their development boards or sensors. This ILD213T optoisolator module is well-suited for robotics, IoT systems, industrial automation, and embedded prototyping where signal integrity and safety are important. It integrates easily with platforms like Arduino, Raspberry Pi, and ESP32, enabling secure communication with relays, motors, sensors, and noisy electrical equipment. By using this electrical isolation board, users can build more stable and durable projects, ensuring consistent performance and reduced troubleshooting due to interference or short circuits. Features: Provides electrical isolation between input and output circuits Based on the ILD213T optocoupler for reliable signal transfer Protects microcontrollers from voltage spikes and noise Helps prevent ground loops and interference issues Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Ideal for robotics, IoT, automation, and industrial interfaces

SmartElex PL2303 USB To UART Communication Converter Module The SmartElex PL2303 module is a reliable USB to UART converter designed to make serial communication simple and accessible for embedded projects. It helps users connect microcontrollers and development boards to a computer through USB, solving common debugging and programming challenges. This USB to Serial TTL Module is ideal for students, makers, educators, engineers, and startups who need a dependable interface for testing, flashing, and communicating with serial devices. This module works smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, making it useful for robotics, IoT development, automation systems, and rapid prototyping. Its plug-and-play design allows quick setup without complex wiring, helping users save time during development and troubleshooting. Whether used for firmware upload, serial monitoring, or device communication, this converter offers stable performance and easy integration for everyday electronics projects. Features: Reliable USB to UART converter for serial communication Based on the PL2303 chipset for stable data transfer Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Plug-and-play operation for quick setup and use Ideal for programming, debugging, and serial monitoring Suitable for robotics, IoT, automation, and DIY electronics 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 PCA9546 4-Channel I2C Multiplexer Compatible with TCA9546A SmartElex PCA9546 4-Channel I2C Multiplexer is designed to simplify communication management when working with multiple I2C devices that share the same address. This compact module helps prevent signal conflicts by allowing users to connect and control up to four separate I2C buses from a single master device. It’s an ideal solution for students, makers, engineers, educators, and startups who are building projects where multiple sensors or modules need to coexist without addressing limitations or communication errors. Compatible with popular development platforms like Arduino, Raspberry Pi, and ESP32, this PCA9546 I2C multiplexer works as a practical I2C bus expander for robotics, IoT systems, automation projects, and prototype development. It offers a stable, plug-and-play approach to expanding I2C networks, making it easy to integrate sensors, displays, and controllers into both simple and advanced builds. Whether you are creating a multi-sensor environment, debugging complex circuits, or scaling an existing project, this module provides clear routing and dependable performance to streamline development. Features: Enables connection of up to four independent I2C device channels Prevents address conflicts by isolating I2C buses when needed Based on PCA9546 IC and compatible with TCA9546A devices Ideal for expanding I2C networks in multi-sensor projects Works with Arduino, Raspberry Pi, ESP32, and similar controllers Simple control through I2C commands for channel selection

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

SmartElex Sound Detection Sensor The SmartElex Sound Detection Sensor is a compact and efficient sound sensor module designed to detect sound presence and measure sound intensity with precision. Built around the LM386 audio amplifier, it provides both analog (AOUT) and digital (DOUT) outputs, making it suitable for a wide range of applications—from simple sound-triggered actions to detailed audio level monitoring. Operating smoothly between 3.3V and 5.3V, this sound sensor Arduino compatible module integrates easily with popular development boards such as Arduino, STM32, and Raspberry Pi. Its low power consumption, small form factor, and included 4-pin cable make it perfect for sound-activated projects, noise detection systems, smart devices, and interactive electronics where reliable audio sensing is required. Features: LM386 audio amplifier for a powerful sound signal enhancement. Detect low-level sounds with 200× amplification. Wide voltage range: 3.3 to 5.3 volts Dual outputs: analog (AOUT) and digital (DOUT). Low power consumption, suitable for embedded systems. Adjustable gain using external components Compact and lightweight; breadboard-friendly. Simple integration with Arduino, STM32, and more.

SmartElex AM312 PIR Motion Sensor The SmartElex AM312 PIR Motion Sensor is a compact passive infrared sensor designed to detect human motion by sensing changes in infrared radiation. It helps automate systems by triggering actions only when movement is detected, making projects more energy efficient and responsive. This sensor is well suited for students, makers, engineers, educators, and startups who are working on electronics projects that require reliable motion detection in a small, low-power form factor. This PIR motion sensor is ideal for robotics, IoT devices, security systems, and automation projects, especially where battery-powered operation is important. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick integration into prototypes and functional systems. Common applications include motion-activated lighting, smart alarms, occupancy detection, and low-power IoT monitoring solutions, where stable performance and simple integration are essential. Features: Compact PIR sensor for reliable human motion detection Detects movement using changes in infrared radiation Ultra-low power consumption suitable for battery-powered projects Digital output for easy interfacing with microcontrollers Fast response time for real-time motion detection Compatible with Arduino, Raspberry Pi, ESP32, and similar boards

7Semi Vikram-3025 High-Power 25A DC Motor Driver for 6–30V Motors The 7Semi Vikram-3025 is a heavy-duty single-channel DC motor driver built for demanding robotics, automation, and mechatronics projects. Designed to handle 25A continuous load with a 6V–30V operating range, it uses a high-efficiency discrete NMOS H-Bridge that eliminates the need for bulky heat sinks. Whether you're powering high-torque DC motors or creating reliable industrial controls, this driver ensures stable, smooth, and responsive performance. With built-in safety features like overcurrent protection, temperature protection, and undervoltage shutdown, your system stays secure even under heavy loads. This motor driver goes beyond basic control, it includes onboard test buttons, motor output LEDs, and a regulated 5V output for powering microcontrollers, making prototyping extremely convenient. It supports PWM/DIR control signals from a wide range of logic voltages (1.8V to 30V), ensuring compatibility with Arduino, Raspberry Pi, PLCs, and other controllers. It also offers manual control options using a potentiometer and switch, giving both beginners and advanced users flexible control in real-world applications. This makes it a dependable choice for custom robotics, high-power motor control, and automation systems. Features: Provides smooth and reliable bidirectional control for single brushed DC motors. Supports a wide operating voltage range from 6V to 30V for flexible motor compatibility. Handles a continuous motor current of 25A, ideal for high-load or high-torque applications. Includes an onboard 5V regulated output (250mA) to power a microcontroller without an external supply. Onboard test buttons and motor state LEDs allow quick, controller-free testing during prototyping. Offers dual input modes: PWM/DIR for digital control or potentiometer/switch for manual operation. Compatible with 1.8V, 3.3V, 5V, 12V, and 24V logic, making it suitable for Arduino, Raspberry Pi, PLCs, and more. Supports PWM input frequency up to 40kHz with a fixed 16kHz output for quiet motor operation. Built-in protections include active current limiting, overcurrent protection, temperature protection, and undervoltage shutdown.

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.

SmartElex DS3232 RTC (Real Time Clock) Breakout Module The SmartElex DS3232 RTC Breakout Module is a reliable DS3232 RTC module designed for accurate and long-term timekeeping in electronics and IoT projects. With an integrated crystal oscillator and temperature-compensated circuitry, it maintains precise date and time even under changing environmental conditions. This real-time clock module supports I²C communication, making it simple to interface with popular microcontrollers for applications such as data logging, digital clocks, alarms, and automation systems. A coin cell battery backup keeps the clock running during power loss, while its low power consumption and stable performance make it ideal for projects that demand exact timing and consistent operation over years. Features: Integrated crystal for accurate timekeeping. Temperature correction to reduce drift. Compact design that works well with breadboards. Works with I²C interface for microcontroller integration. Includes a coin cell battery backup for uninterrupted operation. Fully constructed and tested module ready for speedy deployment. Compatible with Arduino, Raspberry Pi, and other platforms. Low power usage results in longer battery life.

51 MCU LED Digital Clock DIY Kit (Green) – 1-Inch Light-Control Display with Housing for STEM Learning This 51 MCU Digital Clock DIY Kit is a hands-on educational project designed to help learners understand the basics of microcontrollers, electronics, and digital circuits. With a bright 1-inch LED digital tube display and built-in light-control functionality, the clock provides a clear and interactive way to explore timekeeping principles. The kit includes all essential components along with a sturdy housing, making it a great introduction to real-world electronics assembly.Perfect for STEM and STEAM learning, this kit encourages creativity, analytical thinking, and problem-solving skills. Designed for beginners, students, and hobbyists, it allows users to experience practical electronics in a fun and engaging way. Whether used in classrooms, workshops, or home-learning environments, the DIY digital clock helps children and young adults build confidence through hands-on exploration and experimentation. Features: Hands-on DIY digital clock kit powered by a 51 microcontroller system. Bright 1-inch LED digital tube display with light-control functionality. Includes durable housing and all required components for assembly. Great for STEM/STEAM learning: science, technology, engineering, art, and math. Helps build creativity, practical skills, observation, and problem-solving abilities. Ideal for school projects, family learning, and maker workshops. Easy-to-follow study guide included for step-by-step learning.

SmartElex RedBot - Line Follower Sensor The SmartElex RedBot Line Follower Sensor is an easy-to-use infrared line tracking sensor designed to detect contrasting lines on the floor for robot navigation. It helps users build robots that can follow black or white track lines by sensing reflected infrared light, making it ideal for students, hobbyists, educators, and beginners in robotics. This line follower sensor removes the complexity of designing a tracking circuit from scratch, making it a practical choice for classroom learning, STEM competitions, and project-based exploration. This IR sensor line follower is commonly used in DIY robots, autonomous navigation systems, automation prototypes, and line-following competitions where reliable tracking is essential. It works smoothly with Arduino, Raspberry Pi, ESP32, and other microcontroller platforms, allowing easy integration and quick setup in existing projects. With stable performance and intuitive operation, the SmartElex RedBot Line Follower Sensor is well suited for prototyping, educational labs, and robotics builds requiring precise line tracking and direction control. Features: Infrared-based line detection for accurate track following Detects black or white line contrast for smooth navigation Simple design for beginner-friendly robotics and STEM projects Compatible with Arduino, Raspberry Pi, ESP32, and other controllers Compact module for easy mounting on small robot chassis Ideal for DIY robots, automation prototypes, and line-following competitions