SmartElex HX711 Load Cell Amplifier - High Precision Weight Sensor Module The SmartElex HX711 Load Cell Amplifier is a compact and efficient breakout board designed to interface load cells with microcontrollers. It allows you to easily measure weight and force by converting small resistance changes from the load cell into readable digital values. Perfect for building digital weighing scales, industrial automation systems, and DIY measurement projects, this load cell amplifier offers high accuracy and stability even in demanding environments. With separate analog and digital power supplies, integrated filtering components, and a simple two-wire communication interface, the HX711 breakout board ensures reliable and noise-free readings. Compatible with most microcontrollers like Arduino, ESP32, and Raspberry Pi, it provides an affordable and easy-to-use solution for any weight-sensing application. Whether you’re developing a custom scale or a smart monitoring system, this module makes precision measurement simpler than ever. Features: Uses HX711 24-bit precision ADC for accurate load cell readings. Operates between 2.7V–5V, suitable for 3.3V and 5V systems. Extremely low operating current of less than 1.5mA. Selectable 10SPS or 80SPS data output rates for flexible performance. Simultaneous rejection of 50Hz and 60Hz noise for stable readings. Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers. Includes analog-digital separation, filter capacitor, and inductor for improved signal quality.

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 IIC/I2C Serial Interface Adapter Module – LCD Display Interface Converter Board The SmartElex Serial Interface Adapter Module is a compact and efficient board designed to simplify the connection between your Arduino or microcontroller and an LCD display. Instead of using multiple pins for data, this adapter lets you send commands using just two lines - SDA and SCL - through the I2C communication protocol. This I2C Serial LCD Daughter Board helps convert serial data into parallel data, allowing your LCD display to work with minimal wiring. It’s perfect for 16x2 and 20x4 character LCDs, making it easier to create clean and space-saving circuit designs. Ideal for DIY electronics, IoT prototypes, and Arduino projects, this I2C serial data to parallel data for the LCD display module saves time, reduces wiring clutter, and improves project efficiency. Whether you’re a beginner or an experienced maker, it’s a must-have for smooth LCD interfacing. Features: Easy LCD Connectivity: Converts I2C serial data to parallel data for the LCD display, reducing wiring complexity. Supports Multiple Displays: Compatible with 16x2 and 20x4 character LCD modules, commonly used in Arduino projects. Saves I/O Pins: Uses only two communication lines (SDA & SCL) instead of several data pins. Adjustable Display Contrast: Comes with a built-in potentiometer for easy brightness and contrast control. Plug-and-Play Design: Works smoothly with Arduino, ESP32, Raspberry Pi, and other microcontrollers. Compact & Efficient: The small I2C Serial LCD Daughter Board fits neatly into any project setup without clutter.

SmartElex Industrial USB TO RS485 Bidirectional Converter Programmer Module with original CH340C Chipset The SmartElex Industrial USB to RS485 Bidirectional Converter is a reliable solution for industrial communication needs, designed to deliver stable and efficient data transfer between USB and RS485 interfaces. Powered by the original CH340C chipset, this USB converter ensures seamless bidirectional communication with high-speed performance. Its rugged, industrial-grade design includes advanced protection features like ESD protection, lightning suppression, and overcurrent safeguards, ensuring durability in demanding environments. With broad compatibility across multiple operating systems and easy integration using the RS485 to USB converter driver, this module is ideal for engineers, automation professionals, and industrial applications requiring dependable serial connectivity. Applications: Industrial automation systems Data collection and monitoring Building management systems SCADA systems Communication within an embedded system Cautions: To avoid communication issues, ensure that the RS485 terminals are wired correctly. Avoid dampness and static discharge. Don't exceed the recommended operating conditions. Features: Onboard genuine CH340c chipset for dependable USB to RS485 conversion. USB-A interface for convenient plug-and-play communication. RS485 interface with screw terminals (A+, B-, and GND) Supports baud rates ranging from 300bps to 3Mbps. USB transmission distance: up to 5 meters. RS485 transmission distance can reach 1.2 km at lower baud rates. 15KV ESD protection for increased durability. TVS diodes to decrease voltage spikes. Onboard 120Ω balancing resistor ensures correct line termination. Operating temperatures range from -15°C to 70°C.

SmartElex KX134 Triple Axis Accelerometer Breakout – High-Speed 16-Bit Digital Motion Sensor The SmartElex KX134 Triple Axis Accelerometer Breakout is a high-performance motion sensor designed for accurate vibration and acceleration measurement. It features the KX134 digital accelerometer, which can measure acceleration in three axes (X, Y, and Z) with exceptional precision. With selectable ranges of ±8g, ±16g, ±32g, and ±64g, it’s perfect for projects that demand both high sensitivity and durability — from motion tracking to vibration analysis and industrial sensing. This accelerometer supports both I2C and SPI communication, allowing easy integration with most microcontrollers such as Arduino, ESP32, or Raspberry Pi. Its compact design and low power consumption make it ideal for portable and battery-powered applications. Whether you’re developing a data logger, gesture-controlled device, or robotics system, the SmartElex KX134 provides accurate and stable motion detection with minimal noise and fast response time. Features: Built with the KX134 3-axis digital accelerometer for high-precision motion sensing. Measures acceleration in ±8g, ±16g, ±32g, ±64g ranges (user-selectable). Offers 8-bit or 16-bit resolution for flexible performance needs. High-speed output data rate (ODR) up to 25.6kHz for accurate real-time tracking. Supports both I2C and SPI interfaces for easy integration. Low power consumption for energy-efficient operation. Compact breakout board ideal for embedded and IoT applications.

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.

SmartElex LIS2MDL Triple-Axis Magnetometer – High Precision 3-Axis Magnetic Field Sensor Module The SmartElex Triple-Axis Magnetometer – LIS2MDL is a high-performance sensor designed to measure magnetic fields accurately in three dimensions. It helps detect the direction and strength of magnetic forces, making it ideal for navigation, orientation sensing, and electronic compass applications. Powered by the LIS2MDL sensor from STMicroelectronics, this module provides reliable and stable magnetic field measurements through a simple I2C digital interface. It’s easy to integrate with popular development boards such as Arduino, ESP32, and Raspberry Pi, making it perfect for both beginners and professionals working on motion or position-detection projects. With its compact design, low power consumption, and precise output, this 3-axis magnetic field sensor module is widely used in IoT devices, robotics, drones, and navigation systems. Whether you’re building a digital compass or enhancing an IMU setup, this module delivers accurate and consistent results every time. Features: 3-Axis Magnetic Field Detection: Measures magnetic fields along X, Y, and Z axes for accurate orientation and compass readings. High Sensitivity and Stability: The LIS2MDL sensor provides precise and consistent data even in low magnetic environments. Digital I2C Interface: Easy communication with microcontrollers like Arduino, ESP32, and Raspberry Pi. Low Power Consumption: Designed for IoT and portable devices, ideal for battery-powered applications. Compact and Lightweight Design: Small Triple-Axis Magnetometer module that fits easily into embedded systems and robotics projects. Wide Application Range: Perfect for navigation systems, drones, robotics, compasses, and motion detection projects.

SmartElex LMR51420 Buck Module – 3.3V 2A DC-DC Step-Down Power Supply Converter The SmartElex LMR51420 Buck Module is a compact and efficient DC-DC step-down converter designed to provide a stable 3.3V output at up to 2A of current. It efficiently converts higher input voltages into a regulated output, making it ideal for powering low-voltage circuits and embedded systems. Built around the LMR51420 chip, this buck converter module delivers high efficiency with minimal heat generation, ensuring reliable performance in a wide range of electronics applications. Whether you’re working on Arduino, ESP32, or custom IoT projects, it helps power your devices safely and efficiently. This DC to DC buck boost converter module is perfect for use in robotics, automation, and portable electronics. Its small size and easy integration make it a great choice for both beginners and professionals looking to create compact, energy-efficient power solutions. Features: Stable 3.3V Output: Provides a regulated 3.3V DC output at up to 2A current, perfect for powering microcontrollers and sensors. High Efficiency Design: The LMR51420 chip ensures excellent power conversion efficiency with low heat generation. Wide Input Voltage Range: Accepts input from 4.5V to 36V, making it suitable for various power sources. Compact and Lightweight: Small buck converter module ideal for embedded and space-limited electronics projects. Reliable DC-DC Conversion: Offers overcurrent and thermal protection for stable and safe operation. Easy to Integrate: Simple DC to DC buck boost converter module that connects easily with Arduino, ESP32, and IoT systems.

SmartElex LoRa Module Ra- 02 SX1278 433Mhz Wireless Transmission Breakout Board The SmartElex LoRa Module Ra-02 SX1278 433MHz is a powerful wireless transmission breakout board built around SEMTECH’s advanced LoRa SX1278 transceiver chip. Utilizing LoRa spread spectrum technology, it delivers an impressive communication range of up to 10,000 meters while maintaining excellent resistance to interference. Designed for efficiency, the module offers ultra-low power consumption with air wake-up functionality, making it ideal for battery-powered IoT systems. The LoRa Ra-02 module combines high sensitivity (-148 dBm) and a robust +20 dBm output power, ensuring long-distance, reliable data transmission. Perfect for smart home networks, remote meter reading, and security monitoring systems, this module provides an exceptional balance of range, stability, and energy efficiency. Features: The technology of LoRaTM Spread Spectrum modulation Constant RF power output at a voltage change of +20dBm-100mW SPI half-duplex communication FSK, GFSK, MSK, GMSK, LoRaTM, and OOK modulation modes are supported. CAD mode, extremely fast AFC, and automatic RF signal recognition CRC-capable packet engine up to 256 bytes Dual-row stamp-hole patch package with a small footprint Protected housing Antenna Patch Connection Diagram: LoRa Transmitter: LoRa Receiver:

SmartElex LSM6DSO 6 DOF Accelerometer and Gyroscope Sensor Breakout The SmartElex LSM6DSO 6 DOF Breakout Board is a powerful accelerometer and gyroscope sensor module designed for precise motion and orientation detection. Built around the advanced LSM6DSO chip from STMicroelectronics, it delivers high-speed data rates up to 6.66kHz and features a massive 9kB FIFO buffer for efficient data storage. This breakout board can detect motion, tilt, shocks, taps, and even monitor temperature, making it suitable for robotics, wearables, and IoT applications. With easy connectivity via I2C or SPI, the LSM6DSO Breakout Board ensures flexibility for various embedded systems. Please note that it operates on 3.3V logic levels, so a voltage level shifter is recommended for 5V platforms. Features: Model: LSM6DSO (3D accelerometer and 3D gyroscope) with I2C/SPI serial interface. The accelerometer measuring range is ±2/±4/±8/±16 g full scale. The gyro measurement range is ±125/±250/±500/±1000/±2000 dps full scale. Embedded temperature sensor with 16-bit resolution Operating voltage range: 1.71V to 3.6V; typically, 3.3V.