SmartElex CD4047 Square Wave Pulse Generator SmartElex CD4047 Square Wave Pulse Generator is designed to produce stable timing pulses and square wave signals for electronic projects and testing. This square wave pulse generator offers a simple way to create consistent clock signals without needing a microcontroller, making it ideal for students, hobbyists, engineers, educators, and startups who are working with digital circuits, timers, or waveform-driven applications. It reduces setup complexity and allows users to experiment with timing concepts, signal behavior, and low-frequency oscillation in a hands-on manner. As a low power oscillator and pulse generator module, it is well suited for robotics, IoT systems, automation projects, waveform testing, and breadboard prototyping. It can be easily integrated with development platforms like Arduino, Raspberry Pi, ESP32, and other digital controllers, providing a dependable signal source for triggering, switching, or simulation tasks. Whether used in a classroom, electronics lab, or during product development, this module offers a straightforward way to generate controlled square wave signals that support experimentation and circuit design without complicated hardware. Features: Generates stable square wave and timing pulses Based on the CD4047 IC for reliable low-power operation Supports astable and monostable modes for versatile signal control Works as a low-power oscillator for digital circuit applications Easy to interface with Arduino, Raspberry Pi, ESP32, and similar platforms Ideal for waveform testing, prototyping, automation, and timing experiments

SmartElex CP2102 Type C, USB To UART (TTL) Communication Module The SmartElex CP2102 module is a compact and reliable communication module designed to convert USB-C signals into UART (TTL) serial communication. It helps users easily connect microcontrollers and development boards to a computer for programming, debugging, and serial monitoring, removing the need for complex interfaces. This module is well suited for students, makers, educators, engineers, and startups who need a dependable USB to serial solution for everyday electronics work. This USB to UART TTL converter 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 USB-C design allows quick setup and stable data communication, saving time during development and testing. Whether used for firmware upload, device configuration, or serial communication, this module offers reliable performance and easy integration for practical embedded projects. Applications: Programming and debugging microcontrollers Serial communication with embedded systems USB to TTL conversion for compatible devices Data logging, testing, and monitoring tasks Cautions: Ensure the correct voltage is selected using the onboard jumper to avoid damage Designed only for TTL-level signals; do not connect directly to RS232 interfaces Avoid exposure to moisture and protect the module from static discharge Features: USB-C to UART (TTL) communication module for serial interfacing Based on CP2102 chipset for stable and reliable data transfer Plug-and-play design for quick setup with a computer Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Ideal for programming, debugging, and serial monitoring tasks Suitable for robotics, IoT, automation, and DIY electronics projects

SmartElex Current Sensor Breakout Board – INA169 High-Side Current Detection Module The SmartElex Current Sensor Breakout – INA169 helps you easily measure how much current is flowing through your circuit. It works on the high-side of your power line, meaning it monitors current from the positive side of your supply - keeping your circuit safer and more stable. Inside the module, a small shunt resistor is used to detect changes in current. The INA169 chip then converts this into a readable voltage signal, which you can measure with a microcontroller or multimeter. This makes it perfect for projects like battery monitoring, motor control, or DIY electronics where you need to track current accurately. The board can handle voltages between 2.7V and 60V, making it suitable for both low-power and high-voltage DC applications. It also consumes very little power (only about 60µA in standby), so it’s energy-efficient and ideal for long-running systems. Features Measures DC current easily and accurately using the reliable INA169 sensor chip. Works on the high-side of the circuit, ensuring safe and stable current monitoring. Supports a wide voltage range (2.7V to 60V) — ideal for many DC power systems. Analog output makes it easy to read current values with Arduino or other controllers. Low power consumption (only about 60µA), perfect for battery-powered projects. Compact, plug-and-play current sensor breakout module designed for DIY and educational use.

SmartElex D4184 MOSFET Control Module for Motor Control The SmartElex D4184 MOSFET Control Module is a versatile solution for controlling motors, solenoid valves, and other high-current devices. Powered by a 40V 50A MOS tube, this d4184 mosfet module delivers reliable performance for demanding applications. Its Motor Speed Control Module functionality uses PWM regulation, enabling precise speed adjustments for smooth and efficient operation. With optocoupler isolation, it separates control signals from device power, minimizing interference and ensuring safe operation. Compact at 23mm x 16mm and compatible with 3V or 5V MCUs, the D4184 module integrates easily into prototyping setups and industrial projects alike. Features: Powerful 40V 50A MOSFET designed for high-current applications. PWM speed regulation ensures precise motor and solenoid control. Optocoupler isolation improves safety and reduces interference. Compact design with convenient mounting choices. Compatible with MCUs and control boards that operate on 3V or 5V signals. Breadboard-friendly design with several soldering and wiring choices. Ideal for DIY electronics, robotics, and industrial automation projects.

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 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 DS3231 RTC Module with EEPROM (I2C, AT24C32) The SmartElex DS3231 RTC Module with EEPROM is a high-precision RTC module designed for accurate date and time tracking in embedded systems and IoT projects. Based on the DS3231 chip with an integrated temperature-compensated crystal oscillator (TCXO), this I2C RTC module ensures stable and reliable timekeeping across temperature variations. It features an onboard 32Kbit AT24C32 EEPROM for non-volatile data storage, along with 1Hz SQW and 32KHz outputs for timing applications. Operating within an exact voltage range of 2.2V to 5.5V, the module maintains time even during power loss using a backup battery, making it ideal for data loggers, automation systems, and time-critical electronics projects. Features: Temperature-compensated crystal oscillator (TCXO) for accurate timing. Additional data storage is provided by a built-in 32Kbit EEPROM. 1Hz SQW and 32KHz output pins. Battery backup ensures uninterrupted functioning. Supports both 12- and 24-hour time types. It operates with a voltage supply range of 2.2V to 5.5V.

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.

SmartElex Dual Channel Battle Relay module The SmartElex Dual Channel Battle Relay Module is a compact and practical relay board designed to safely control high-power electrical loads using low-voltage control signals. It helps users switch devices like motors, lights, pumps, or appliances without directly handling high voltage, making projects safer and more reliable. This module is well suited for students, makers, educators, and engineers who are working on control systems, robotics projects, or learning automation concepts in labs and classrooms. This dual-channel relay module is commonly used in robotics, home automation, IoT experiments, and industrial prototyping where isolated and dependable switching is required. It integrates easily with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick connection and straightforward control through digital pins. With stable operation and simple interfacing, the SmartElex Dual Channel Battle Relay Module enables developers to focus on logic and application design, making it ideal for DIY projects, academic experiments, and early-stage product development. Connection Diagram : Features: Dual-channel relay module for independent control of two loads Safely switches high-power devices using low-voltage control signals Electrical isolation for improved safety and reliable operation Easy interfacing with Arduino, Raspberry Pi, and ESP32 boards Suitable for robotics, RC systems, automation, and DIY projects Compact design ideal for prototyping and embedded applications Applications: Control of auxiliary systems in RC combat and battle vehicles Glow plug control in RC nitro-powered cars and models Switching high-power lighting systems in RC aircraft, boats, and cars Domestic appliance control for home automation projects Non-critical automotive electronics control such as glow wires

SmartElex Dynamic NFC RFID Tag – NFC Smart Tag Module The SmartElex Dynamic NFC RFID Tag is a compact NFC RFID tag designed for contactless data storage and exchange. It allows users to read, write, and update information wirelessly using NFC-enabled devices, making it ideal for students, makers, educators, engineers, and startups exploring RFID technology. This NFC smart tag module supports dynamic data handling, allowing users to work with programmable memory for identification, access control, and portable data storage without complex hardware design. This dynamic NFC tag module is used in IoT systems, automation prototypes, robotics projects, smart access solutions, and contactless data transfer applications. It integrates smoothly with platforms like Arduino, Raspberry Pi, and ESP32 through NFC readers, enabling quick setup for prototyping and product testing. With stable communication and a user-friendly interface, the SmartElex Dynamic NFC RFID Tag is suited for DIY electronics, educational labs, and early-stage product concepts that require reliable NFC-based interaction and data management. Features: NFC RFID tag for wireless data storage and retrieval Supports dynamic data updates for flexible use cases Programmable memory for custom identification and access control Enables contactless data transfer with NFC-enabled devices Works with Arduino, Raspberry Pi, and ESP32 via NFC readers Ideal for IoT, automation, smart access, and learning projects