SmartElex LPS22 Pressure Sensor The SmartElex LPS22 Pressure Sensor is a compact and reliable pressure sensor designed to measure air pressure accurately in electronic systems. It helps users capture environmental pressure data for monitoring and analysis, making it suitable for students, makers, educators, and engineers working on sensing and measurement projects. This air pressure sensor is ideal for learning, experimentation, and early-stage product development where stable and consistent pressure readings are required. This pressure sensor is widely used in IoT devices, robotics, weather monitoring systems, and automation applications that rely on environmental data. It integrates easily with popular platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick setup and smooth communication for prototyping and testing. With dependable performance and simple integration, the SmartElex LPS22 sensor is well suited for educational labs, DIY electronics projects, and embedded systems development. Features: Compact pressure sensor for accurate air pressure measurement Digital air pressure sensor with stable and consistent output Breakout board design for easy handling and quick prototyping Simple digital interface for reliable data communication Compatible with Arduino, Raspberry Pi, and ESP32 boards Ideal for IoT, robotics, and environmental monitoring projects

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 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.

SmartElex LSM9DS1 9-DOF Accelerometer, Gyroscope & Magnetometer Breakout Board The SmartElex LSM9DS1 Breakout Board is an advanced 9-DOF motion sensor module that combines a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer in one compact board. It helps detect motion, orientation, and direction, making it perfect for building motion trackers, drones, robots, and navigation systems. This powerful LSM9DS1 sensor measures acceleration, rotation, and magnetic field data with high precision for accurate movement analysis. The board supports both I2C and SPI interfaces, making it easy to connect with popular microcontrollers like Arduino and Raspberry Pi. Operating on 3–5V, it’s ready to use straight out of the box with included headers and mounting holes for secure installation. Whether you’re designing a motion detection system or experimenting with a 9-axis orientation sensor, the SmartElex LSM9DS1 offers flexibility, accuracy, and stability for your projects. Features: Built-in 3-axis accelerometer, gyroscope, and magnetometer. Supports both I2C and SPI communication interfaces. Wide input voltage range: 3V to 5V DC. Accelerometer range: ±2g, ±4g, ±8g, ±16g. Magnetometer range: ±4, ±8, ±12, ±16 gauss. Gyroscope range: 245, 500, and 2000 dps. Compact breakout board with pre-soldered headers and mounting holes.

SmartElex MAX30101 Photodetector Breakout Board The SmartElex MAX30101 Photodetector Breakout Board is a high-performance optical sensor designed for precise light detection and analysis. Powered by the advanced MAX30101 sensor, it effectively measures the amount of light reflected from its LEDs, making it ideal for applications such as smoke or particle detection, proximity sensing, and photoplethysmography (PPG) for heart rate monitoring. With seamless I2C communication, the breakout board ensures easy connectivity with various microcontrollers, while the 0.1″ spaced pins allow for effortless breadboard use. As the successor to the MAX30105 and MAX30102, this sensor module delivers enhanced sensitivity and reliability for a wide range of optical sensing projects. Features: Integrated Cover Glass for Ultra-Low Power Operation and Optimal, Sturdy Performance Red, infrared, and green LEDs combined with an integrated photodetector PWM management of distinct LED channels ADC resolution of 18 bits I2C Address: 0x57 (7-bit) 5V Step-up DC/DC Converter and 1.8V Regulation onboard

SmartElex MAX31856 Temperature PCB Breakout Board with SPI Interface The SmartElex MAX31856 PCB Master Breakout Board is a high-precision thermocouple amplifier and converter designed to work with a wide range of thermocouple types including K, J, N, R, S, T, E, and B. Powered by the reliable MAX31856 chip, it converts tiny thermocouple signals into accurate digital readings using a 4-wire SPI interface, making it easy to connect with microcontrollers like Arduino, Raspberry Pi, and ESP32. This MAX31856 breakout board includes a built-in 3.3V voltage regulator, level-shifting circuitry, and inline filtering components for stable performance. It ensures accurate cold-junction compensation, fault detection, and wide temperature measurement capability ranging from -210°C to +1800°C. Perfect for applications involving temperature monitoring and industrial automation, this thermocouple amplifier module delivers precise readings with minimal setup effort. Features: Compatible with multiple thermocouple types: K, J, N, R, S, T, E, and B. Wide temperature measurement range: -210°C to +1800°C with fine resolution. Communicates via 4-wire SPI for simple microcontroller interfacing. Includes onboard 3.3V regulator and logic level shifting for 3.3V/5V systems. Features cold-junction compensation for accurate temperature readings. Built-in fault detection for open, short, or out-of-range thermocouples. Comes preassembled with terminal block and pin header for easy integration.

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 MAX98357A I2S Audio Breakout Amplifier for Raspberry Pi and Microcontrollers The SmartElex MAX98357A I2S Audio Breakout is a compact digital audio amplifier that delivers clear and powerful sound for your Raspberry Pi or microcontroller projects. It converts I2S digital signals directly into high-quality analog audio output, eliminating the need for a DAC. With up to 3.2W output power, adjustable gain settings, and efficient Class D amplification, this breakout board is perfect for portable and battery-powered audio setups. It’s a reliable choice for DIY audio enthusiasts looking for an easy-to-use breakout board or a high-performance USB to serial converter alternative in digital sound applications. Features: Powered by the MAX98357A Class D amplifier chip for superior sound clarity and efficiency. Supports I2S digital audio input without needing an MCLK signal. Provides up to 3.2W output power at 4Ω with 5V supply, ideal for small speakers. Adjustable gain levels from 3dB to 15dB for flexible volume control. Integrated click-and-pop suppression ensures clean, noise-free playback. Built-in thermal shutdown and short-circuit protection for safe operation. Compact and lightweight design makes it ideal for portable projects.

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 MCP9600 I2C Thermocouple Amplifier Breakout Board The SmartElex MCP9600 I2C Thermocouple Amplifier Breakout Board is a high-precision temperature sensing module designed for effortless integration into your projects. Powered by the MCP9600 chip, this board reads both ambient and thermocouple temperatures with a fine resolution of 0.0625ºC and an accuracy of ±1.5ºC. It features an easy-to-use I2C interface, eliminating the need for soldering or voltage conversion. The onboard screw terminals allow quick thermocouple connections, making it suitable for diverse applications — from monitoring kitchen appliances to controlling industrial furnaces. With four configurable temperature alerts and low-power modes, the MCP9600 breakout not only enhances accuracy but also optimizes power efficiency for portable or embedded systems. Features: MCP9600: Thermocouple Amplifier Uses an I2C interface. Temperature Range: -200ºC to 1350ºC. Operating voltage range is 2.7V to 5.5V. Four Onboard Temperature Alerts Resolution: 0.0625ºC. Screw Terminal Connector ADDR Jumper for changeable I2C addresses (the default address is 0x60). 2 Molex PicoBlade Connectors