SmartElex 3.5V-5.5V Active Buzzer Module SmartElex 3.5V–5.5V Active Buzzer Module is a ready-to-use sound output component designed to generate alerts and tones in electronic projects without requiring complex signal generation. This active buzzer includes an internal driver circuit, allowing it to produce sound as soon as power is applied, making it ideal for beginners and professionals who need a simple alarm or notification output. It is well suited for students, hobbyists, educators, engineers, and startups who want a hassle-free sound solution for embedded systems, DIY electronics, or STEM learning environments. This module integrates easily with popular development platforms like Arduino, Raspberry Pi, and ESP32, making it a practical option for robotics, IoT devices, automation systems, and security prototypes where audible feedback is needed. As an active alarm module, it can be used for event triggers, safety indicators, timer alerts, process monitoring, and interactive projects. Its straightforward operation and compatibility help users add sound functionality quickly, improving usability, feedback, and engagement in both small and complex builds. Features: Built-in driver circuit for instant sound output when powered Operates directly from 3.5V to 5.5V without external components Ideal for alarms, alerts, timers, and event notifications Easy to interface with Arduino, Raspberry Pi, ESP32, and other boards Simple plug-and-play design suitable for beginners and classrooms Compact module for robotics, IoT, automation, and DIY electronics projects

SmartElex 3.7V Basic micro-USB LiPo Charger -500mA The SmartElex 3.7V Basic microUSB LiPo Charger – 500mA is a compact and efficient solution for charging single-cell 3.7V LiPo and Li-Ion batteries. This reliable micro-USB LiPo charger delivers a fixed 500mA charging current, ensuring safe and consistent charging without complex setup. Featuring a micro-USB input, onboard status LED, and a JST battery connector, it allows easy integration into battery-powered and space-constrained projects. This LiPo charger is perfectly suited for embedded applications, DIY electronics, and portable devices where dependable and compact charging is essential. Features: Charges 3.7V single-cell LiPo and LiIon batteries. The charge rate is fixed at 500mA to ensure effective charging. A micro-USB port allows for convenient power input. JST connector for battery hookup. The status LED indicates the charging progress. The compact form factor includes a mounting hole for convenient installation.

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 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.

SmartElex 386AMP LM386 Audio Amplifier Module SmartElex 386AMP LM386 Audio Amplifier Module is a compact and convenient way to boost low-level audio signals for small speaker applications. This lm386 audio amplifier is designed for users who need clear and audible sound output in DIY electronics without building an amplifier circuit from scratch. It solves the problem of weak audio from microcontrollers, signal generators, or media sources, making it ideal for students, makers, engineers, educators, and startups working on portable or embedded audio projects. This audio amplifier module integrates easily with popular platforms like Arduino, Raspberry Pi, ESP32, and other development boards, enabling quick prototyping for robotics, IoT devices, automation systems, and handheld gadgets. Its efficient design makes it suitable for battery-powered and low-power applications, delivering useful sound amplification for projects such as mini speakers, alarms, sound-based indicators, and interactive installations. As a low power audio amplifier, it provides a practical and reliable solution for enhancing audio output in compact electronic designs. Features: Based on the LM386 low-power audio amplifier IC Boosts weak audio signals for small speaker output Works with microcontrollers like Arduino, Raspberry Pi, and ESP32 Suitable for battery-powered and low-power projects Simple connections for quick integration and prototyping Ideal for DIY audio, alarms, indicators, and portable speaker projects

SmartElex 4-Bit Bidirectional Voltage-Level Translator Breakout – TXB0104 Logic Converter Module The SmartElex 4-Bit Bidirectional Voltage-Level Translator Breakout is a compact and efficient module designed to safely connect devices that operate at different voltage levels. It helps your 3.3V and 5V logic circuits communicate smoothly without damaging any components. Powered by the reliable TXB0104 chip, this bidirectional voltage level translator automatically detects signal direction and adjusts accordingly, making it ideal for I2C, SPI, and UART communication between microcontrollers, sensors, and other digital devices. Perfect for Arduino, ESP32, and Raspberry Pi projects, this voltage level translator ensures safe and stable data exchange between mixed-voltage systems. Whether you’re building an IoT prototype or experimenting with embedded electronics, this breakout board simplifies your circuit design while ensuring reliable performance. Features: 4-Bit Signal Translation: Handles up to four data lines, allowing smooth voltage conversion between 3.3V and 5V devices. Automatic Direction Sensing: The TXB0104 chip detects signal direction automatically - no manual configuration needed. Bidirectional Compatibility: Works seamlessly for both input and output voltage translation between two logic levels. High-Speed Performance: Supports fast data transmission for I2C, SPI, UART, and other digital communication interfaces. Compact & Easy to Use: Small 4-bit bidirectional voltage-level translator breakout fits easily into any embedded or DIY project. Wide Application Range: Ideal for Arduino, ESP32, Raspberry Pi, and other microcontrollers in mixed-voltage circuits.

SmartElex 4P-LLC Bi-Directional Logic Level Converter The SmartElex Bi-Directional Logic Level Converter makes it easy to connect devices that operate at different voltage levels. It allows safe and reliable communication between 3.3V and 5V systems, perfect for interfacing sensors, microcontrollers, and modules like Arduino, Raspberry Pi, and ESP32. The module safely steps down 5V signals to 3.3V while stepping up 3.3V signals to 5V, ensuring seamless operation without damaging sensitive components. Compact yet powerful, this logic level converter supports additional voltage ranges like 1.8V and 2.8V, making it highly versatile. Each channel can handle both high- and low-voltage signals simultaneously, enabling smooth integration in multi-voltage projects. Whether you’re building DIY electronics, automation systems, or IoT applications, this module offers a simple and safe solution to handle mixed-voltage communication effortlessly. Features: Bi-directional voltage conversion between 1.8V, 2.8V, 3.3V, and 5V systems. Supports four channels with two inputs and two outputs on each side. Easy wiring with clearly labeled HV, LV, and GND pins. Compact design ideal for space-limited electronic projects. Ensures safe signal shifting without damaging low-voltage components. Reliable performance with consistent and accurate voltage translation. Compatible with popular boards like Arduino, Raspberry Pi, and ESP8266.

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 5V 10A Single Channel Power Relay Module The SmartElex 5V 10A Single Channel Power Relay Module is a robust switching solution designed to control high-current electrical loads using low-voltage control signals. It helps protect microcontrollers and sensitive electronics by providing electrical isolation between the control side and the load side. This relay module is suitable for students, makers, engineers, educators, and startups who are building control systems, automation projects, or power switching applications that require reliable and safe operation. This single channel power relay module is ideal for robotics, IoT systems, home automation, and industrial control projects where higher current devices such as motors, lights, pumps, or appliances need to be switched on and off. It can be easily interfaced with platforms like Arduino, Raspberry Pi, and ESP32, making integration straightforward for both prototypes and final products. The dependable performance and simple design allow users to focus on application logic without worrying about power switching reliability. Features: Single channel power relay module for high-current load control Operates on 5V, suitable for microcontroller-based projects Supports up to 10A load current for power applications Provides electrical isolation between control and load circuits Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Compact and sturdy design for easy integration and prototyping

SmartElex 5V 1A LiPo Charger Booster Module The SmartElex 5V 1A LiPo Charger Booster Module is a compact and reliable LiPo charger booster designed to generate a stable 5V output at up to 1A from a Lithium Polymer battery. It combines an MCP73831-based lipo battery charger with a PAM2401 boost converter, ensuring efficient charging and voltage boosting in a single board. The module intelligently draws higher current at lower input voltages, allowing fast energy transfer and strong output performance. With built-in protection diodes, multiple connection options, and clear LED status indicators, this module is ideal for DIY electronics, IoT devices, and portable embedded systems. For higher voltage requirements, multiple boards can be daisy-chained to achieve increased output levels without complexity. Features: The PAM2401 IC provides 1A at 5V from a LiPo battery. Includes protective diodes for multi-cell configurations. Quick charging and efficient power boost. Compatible with a variety of battery and charger connection types. Two status LEDs provide system feedback. Ideal for applications that require compact, high-power. Can be daisy-chained to get greater output voltages.