SmartElex LSM303AGR Accelerometer/Magnetometer The SmartElex LSM303AGR Accelerometer & Magnetometer digital tilt and compass sensor is a compact, high-precision module designed to measure motion, orientation, and heading in embedded and IoT projects. It integrates a 3-axis accelerometer to sense tilt and gravity direction, along with a 3-axis magnetometer to detect magnetic fields and determine compass heading. By combining both sensor outputs, the module enables accurate orientation and navigation data for robotics, drones, wearables, and motion-aware systems. Based on the latest LSM303AGR sensor, it communicates via I2C, works seamlessly with both 3.3V and 5V microcontrollers, and comes fully assembled on a breakout PCB with onboard support circuitry—making it easy to use, solder-free, and ready for real-world applications. Features: LSM303AGR - Triple-axis accelerometer and magnetometer. I2C Communication Interface. Supply voltage - 3.3V 5V 50 mGauss magnetic dynamic range. 1.5 gauss magnetic sensitivity. Accelerometer ranges: 2/4/8/16g. Accelerometer sensitivity is as low as 1mg

SmartElex MAX3232 Transceiver Breakout Board The SmartElex MAX3232 Transceiver Breakout Board is designed to convert RS-232 signal levels to TTL levels, making it easy to interface traditional serial devices with modern microcontrollers. It helps users connect computers, industrial controllers, modems, and other RS-232 hardware to platforms that only support TTL communication. This board is well suited for students, makers, educators, engineers, and startups who need a dependable way to integrate legacy serial equipment into robotics, embedded systems, or learning projects without redesigning circuitry. This module is commonly used in IoT systems, automation setups, sensor networks, and prototyping environments where RS-232 devices need to communicate with controllers like Arduino, Raspberry Pi, and ESP32. It offers stable signal conversion for serial debugging, data logging, and hardware interfacing tasks, making integration straightforward during development or field deployment. With reliable operation and easy connectivity, the SmartElex MAX3232 Transceiver Breakout Board is a practical tool for bridging older hardware with modern electronics in labs, workshops, and industrial applications. Features: Converts RS-232 signal levels to TTL for modern microcontroller compatibility Enables communication between legacy serial devices and TTL systems Works with Arduino, Raspberry Pi, ESP32, and other UART-based platforms Ideal for automation, industrial interfaces, and serial debugging applications Stable and reliable signal handling for development and field use Compact breakout design for easy integration into prototypes and custom circuits

SmartElex MCP73833 USB Li-ion-Li-Poly Battery Charger Module The SmartElex MCP73833 USB Li-ion–Li-Poly Battery Charger Module is a compact and efficient USB lithium battery charger designed for safe and reliable charging of single-cell lithium-ion and lithium-polymer batteries. This USB battery charger module uses a mini-B USB interface, making it compatible with computers and USB wall adapters. It follows a proven three-stage charging process—preconditioning, constant-current fast charging, and constant-voltage trickle charging—to protect battery health and improve lifespan. The module delivers a default fast-charge current of 500mA, which can be precisely adjusted between 100mA and 1000mA by soldering a through-hole resistor, allowing users to match the charging rate to specific battery capacities. This makes it an excellent choice for embedded systems, portable electronics, and battery management applications. Features: Assembled and tested; ready for immediate usage. JST Cable Included: Provides an easy battery connection. 5V Input via Mini-B USB: Standard USB power source. Li-Ion/LiPo Compatibility: Charges a single 3.7/4.2V lithium battery. Adjustable charge current: 500mA by default, 100-1000mA via resistor. Separate Battery/Load Connectors: Allows for simultaneous charging and operation. Thermistor Support: Temperature monitoring with a 10K NTC thermistor. 0.1″ Breakouts provide easy access to battery, DC, and LED status.

SmartElex Micro ISM330DHCX 6DoF IMU Sensor The SmartElex Micro ISM330DHCX 6DoF IMU Sensor is a compact motion-sensing module that combines an accelerometer and gyroscope to measure movement, orientation, and rotation. It helps users track motion data accurately in three-dimensional space, making it useful for students, hobbyists, engineers, and educators working on robotics, automation, and motion-based electronics. This IMU breakout board simplifies motion tracking in projects where stability, responsiveness, and precision are important, without requiring complex circuit design or calibration setups. This 6DoF IMU sensor is commonly used in self-balancing robots, gesture-controlled systems, IoT wearables, drones, and embedded automation projects that rely on movement or orientation feedback. It integrates smoothly with popular development platforms like Arduino, Raspberry Pi, and ESP32, making setup and data processing beginner-friendly and efficient. With dependable performance and straightforward compatibility, the SmartElex Micro ISM330DHCX is a practical choice for prototyping, academic learning, and product development where reliable motion tracking and sensor fusion are essential. Features: 6DoF IMU with built-in accelerometer and gyroscope for motion tracking Measures linear acceleration and rotational movement in real time Compact breakout board designed for easy integration in projects Compatible with Arduino, Raspberry Pi, ESP32, and similar platforms Ideal for robotics, drones, wearables, and gesture-based control systems Reliable module for prototyping, STEM learning, and embedded development

SmartElex Micro:Bit Gator Microphone Accessory Board SmartElex Micro:Bit Gator Microphone Accessory Board is a compact audio input module designed for sound-based projects using the BBC micro:bit. It enables students, hobbyists, and educators to capture and measure sound levels, making it easier to explore audio interaction, environmental monitoring, and voice-triggered responses. This board helps simplify sound detection tasks without complex circuitry, making it ideal for classroom STEM learning, beginner prototyping, and creative electronics projects where ease of use matters. This gator microphone micro:bit accessory integrates seamlessly with the micro:bit ecosystem through alligator clip connections, allowing quick setup for sound-reactive experiments, robotics projects, and IoT prototypes. It provides a reliable interface for building projects such as noise meters, sound-activated indicators, interactive art, or classroom activity monitors. Whether used in a school environment or by independent makers, it offers a straightforward way to introduce audio sensing to microcontroller projects while encouraging hands-on learning and innovation. Features: Fully compatible with gator:bit and micro:bit audio projects Built-in ADS1015 ADC for accurate sound level measurement Supports multiple modes: Single-Shot, Continuous Conversion, and Duty Cycling Single-ended analog input configuration with adjustable full-scale range 12-bit differential / 11-bit single-ended resolution for precise signal capture Sample rate options from 128 Hz to 3.3 kHz for varied recording needs Low-power operation with typical draw between 150μA–200μA Communicates via I2C with default address 0x48 Integrated electret microphone with omnidirectional pickup pattern Frequency response range of 20 Hz to 16,000 Hz for everyday sound detection Includes LMV324 Op-Amp for stable and amplified audio signal processing Wide operating voltage support from 2.0V to 5.5V, suitable for microcontrollers Designed for STEM classrooms, prototyping, IoT sensing, and audio experiments

SmartElex MicroB USB Breakout Board The SmartElex MicroB USB Breakout Board is a compact adapter board designed to make it easy to access the pins of a Micro-B USB connector for prototyping, development, and testing. It breaks out the USB port into simple pin headers, allowing users to interface USB power and data lines with custom circuits, breadboards, and microcontroller boards. This USB breakout board is ideal for students, makers, educators, and engineers who need a quick and reliable way to add USB connectivity to their electronics projects without designing a custom PCB. This board is commonly used in robotics, IoT applications, embedded system development, device repair, and hardware prototyping where USB access is required for powering circuits or transferring data. It works smoothly with platforms like Arduino, Raspberry Pi, and ESP32, enabling fast integration with both beginner and advanced projects. With its straightforward layout and sturdy connector design, the SmartElex MicroB USB Breakout Board is a practical and efficient choice for workshops, prototyping labs, and DIY electronic builds that require stable Micro-B USB interfacing Features: Micro-B USB connector broken out to easy-to-use header pins Simplifies USB power and data access for prototyping and testing Supports quick integration with breadboards and custom circuits Compatible with Arduino, Raspberry Pi, ESP32, and microcontrollers Ideal for DIY repairs, IoT projects, and embedded hardware development Compact and beginner-friendly design for rapid project setup

SmartElex MMC5603 Triple-axis Magnetometer Sensor The SmartElex MMC5603 Triple-axis Magnetometer Sensor is a compact magnetometer sensor designed to measure magnetic fields accurately along three axes. It helps users detect direction, orientation, and changes in magnetic field strength, making it useful for navigation and sensing applications. This magnetic field sensor is well suited for students, makers, educators, and engineers who are learning sensor integration or developing projects that require reliable magnetic sensing. This I2C magnetometer module is commonly used in robotics, IoT devices, digital compass systems, and motion-aware automation projects. It integrates easily with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick setup and smooth data communication for prototyping and testing. With stable performance and easy integration, the SmartElex MMC5603 sensor is ideal for educational labs, DIY electronics, and embedded system development. Features: Triple-axis magnetometer sensor for accurate magnetic field measurement Detects magnetic field changes across X, Y, and Z axes I2C magnetometer module for simple and reliable communication Compact breakout board for easy prototyping and testing Compatible with Arduino, Raspberry Pi, and ESP32 boards Ideal for robotics, IoT, navigation, and compass applications

SmartElex MPL3115A2 Altitude Pressure Sensor Breakout Board The SmartElex MPL3115A2 Altitude Pressure Sensor Breakout Board is a compact and reliable altitude sensor module designed for precise environmental measurements. Based on the MPL3115A2 MEMS sensor, it delivers altitude data with accuracy up to 30 cm and pressure readings in fractions of a Pascal using a high-resolution 24-bit ADC. The sensor communicates via I2C, making it simple to interface with popular microcontrollers and development boards. This Breakout Board includes all required passive components and exposes the pins on a 0.1″ header, allowing quick prototyping without extra circuitry. With added 12-bit temperature sensing, this Altitude Pressure Sensor is well-suited for drones, weather monitoring, navigation systems, and embedded IoT applications. Features: Supply voltage ranges from 1.95V to 3.6V and is internally regulated by the LDO. Digital interface supply voltage ranges from 1.6 to 3.6 V. Internally, fully compensated. Direct reading, compensated. Pressure: 20-bit measurement (in Pascals) Altitude: 20-bit measurement (metres) Temperature: 12-bit measurement (in degrees Celsius) Programmable events. Autonomous Data Acquisition Resolution down to 1 ft. (30 cm) 32 Sample FIFO Ability to log data for up to 12 days using the FIFO method Data acquisition rates range from one second to nine hours. I2C digital output interface operates at up to 400 kHz.

SmartElex MPM3610 3.3V Buck Converter Module The SmartElex MPM3610 3.3V Buck Converter is a high efficiency buck converter designed to step down DC voltages from 4.5V to 21V to a stable 3.3V output with a maximum current of 1.2A. Powered by the MPM3610 chip, this buck converter achieves 90–95% efficiency, making it far more efficient than linear regulators such as the LM1117. Its core function is efficient voltage regulation with minimal heat loss, ensuring reliable power delivery for microcontrollers, sensors, IoT devices, and embedded systems. With pin compatibility to LM1117-3.3V, it serves as a direct upgrade for applications requiring better efficiency and thermal performance. Features: Wide input voltage range: From 4.5V to 21V. Stable 3.3V output delivers up to 1.2A of current. High efficiency: reaches 90-95% efficiency. Pin-compatible: Drop-in replacement for the LM1117-3.3V TO-220 chip. ENable pin: Ties the pin low, allowing the output to be shut down. The compact shape is ideal for portable projects with limited room. Low heat generation: More efficient than conventional linear regulators.

SmartElex PB-03 PHY6252(SSOP24) Bluetooth Module The SmartElex PB-03 PHY6252 Bluetooth Module is a compact low-power Bluetooth module designed for easy wireless communication in embedded and IoT projects. It allows users to add Bluetooth connectivity to their devices for data transfer, control, and monitoring without needing complex RF hardware design. This Bluetooth module is ideal for students, hobbyists, educators, and engineers building wireless prototypes, learning app-based control, or developing smart products that require energy-efficient Bluetooth communication. This module is commonly used in IoT systems, automation projects, wireless sensors, robotics, and consumer electronics where reliable Bluetooth connectivity is required. It works smoothly with development platforms like Arduino, Raspberry Pi, and ESP32, enabling quick pairing and integration for testing and deployment. With stable performance and low power consumption, the SmartElex PB-03 module is a practical choice for DIY electronics, classroom learning, and early-stage product development that needs simple and effective Bluetooth communication. Features: Low-power Bluetooth module for wireless data communication Supports easy pairing for app-based control and monitoring Compact design ideal for embedded and space-constrained projects Works with Arduino, Raspberry Pi, ESP32, and other microcontrollers Suitable for IoT devices, wireless sensors, and automation projects Beginner-friendly module for prototyping and product development