Micro:Bit T-type GPIO board

SmartElex TEMT6000 Ambient Light Sensor Breakout The SmartElex TEMT6000 Ambient Light Sensor Breakout is a compact sensor module designed to detect ambient light levels and convert them into an analog signal for easy measurement. It helps users sense brightness in the environment without complex circuitry, making it suitable for students, hobbyists, educators, and engineers working on light-responsive projects. As a beginner-friendly module, it is ideal for learning how light sensors work, experimenting with interactive electronics, or integrating illumination detection into early-stage prototypes. This ambient light sensor breakout is commonly used in IoT devices, robotics, display dimming systems, smart lighting, and automation setups where real-time light intensity data is required. It connects smoothly with development boards like Arduino, Raspberry Pi, and ESP32, enabling quick setup and data integration for testing and project development. With stable performance and simple analog output, the SmartElex TEMT6000 is a practical choice for DIY electronics, classroom projects, and embedded product concepts focused on light-based control and automation. Features: Detects ambient light levels and outputs an analog signal Compact breakout board for easy integration into projects Simple interfacing for quick setup and testing Works smoothly with Arduino, Raspberry Pi, and ESP32 Ideal for smart lighting, display dimming, and IoT applications Great for education, prototyping, and light-based automation projects

SmartElex ILD213T Opto-isolator Breakout Board SmartElex ILD213T Opto-isolator Breakout Board is designed to provide reliable electrical isolation between two circuits, helping protect sensitive components from voltage spikes, noise, and ground loop issues. This opto isolator board uses the ILD213T optocoupler to safely transfer signals while keeping high-voltage and low-voltage sections separated. It is a practical solution for students, hobbyists, engineers, educators, and startups who need to interface microcontrollers with external hardware without risking damage to their development boards or sensors. This ILD213T optoisolator module is well-suited for robotics, IoT systems, industrial automation, and embedded prototyping where signal integrity and safety are important. It integrates easily with platforms like Arduino, Raspberry Pi, and ESP32, enabling secure communication with relays, motors, sensors, and noisy electrical equipment. By using this electrical isolation board, users can build more stable and durable projects, ensuring consistent performance and reduced troubleshooting due to interference or short circuits. Features: Provides electrical isolation between input and output circuits Based on the ILD213T optocoupler for reliable signal transfer Protects microcontrollers from voltage spikes and noise Helps prevent ground loops and interference issues Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Ideal for robotics, IoT, automation, and industrial interfaces

7Semi MAX31855 K-Type Thermocouple Amplifier Breakout The 7Semi MAX31855 Thermocouple Amplifier Breakout is designed for creators, engineers, and industrial users who need reliable and highly accurate temperature readings from extreme environments. With its advanced MAX31855 converter IC, this breakout allows effortless digital temperature measurement using K-type thermocouples, making it a powerful choice for applications like 3D printing, HVAC monitoring, and high-heat industrial systems. The onboard cold-junction compensation ensures precision by automatically correcting any thermal offsets at the connector. Supporting temperatures from -270°C to +1372°C, it delivers 14-bit resolution with smooth 0.25°C read steps, providing dependable, noise-free readings for sensitive processes. Built-in fault detection helps identify open circuits or shorts, making the system easier to troubleshoot and safer for continuous operation. With its SPI-based digital interface and compatibility with 3.3V/5V logic microcontrollers, the module integrates cleanly with Arduino, ESP32, Raspberry Pi, and industrial controllers. Features: Supports a wide thermocouple measurement range from –270°C to +1372°C, making it suitable for extreme heat and cryogenic applications. Provides 14-bit high-resolution output with precise 0.25°C increments for accurate temperature monitoring. Includes built-in cold-junction compensation, ensuring reliable compensation for ambient temperature fluctuations. Offers a simple SPI digital interface, requiring minimal I/O pins for easy integration with most microcontrollers. Compatible with multiple thermocouple types including K, J, N, T, S, R, and E, providing versatility in system design. Features fault detection for open thermocouples and shorts to VCC/GND to enhance system safety. Supports both 3.3V and 5V logic levels, ensuring broad compatibility across development boards.

7Semi SGP41 VOC Sensor Breakout Board for Indoor Air Quality Monitoring The 7Semi SGP41 VOC Sensor Breakout Board is a compact and reliable solution for monitoring indoor air quality with high precision. Built around Sensirion’s advanced SGP41 sensing technology, this VOC Sensor accurately detects volatile organic compounds, helping assess air freshness and pollution levels in real time. Operating at an exact 3.3V and communicating via an I2C interface, it integrates smoothly with popular microcontrollers and development boards. The onboard Qwiic connector simplifies wiring, making this air quality VOC sensor ideal for applications such as air purifiers, HVAC systems, smart buildings, and long-term environmental monitoring where accuracy and stability matter. Leverage the power of the SGP41 to create innovative air quality solutions. Whether you're developing air purifiers, ventilation systems, or environmental monitoring devices, this sensor breakout is your essential component. Features: Sensirion SGP40 Sensor: Provides accurate VOC and NOx detection for better air quality assessments. The Digital I2C Interface simplifies communication and integration with your system. Robust Construction: Designed to endure real-world situations while maintaining long-term stability. Compact design is ideal for applications that require limited space. Easy integration: Solderable headers allow for a simple connection.

SmartElex USB Mini-B Breakout Board The SmartElex USB Mini-B Breakout Board is a compact adapter board designed to easily access the pins of a USB Mini-B connector for prototyping and development. It converts the connector into simple solderable or plug-and-play pins, helping users interface USB connections with custom circuits, development boards, and DIY electronics. This USB breakout board is ideal for students, hobbyists, engineers, and educators who need a reliable way to add USB connectivity without designing a custom PCB. This USB Mini-B adapter board is commonly used in robotics, IoT projects, firmware development, sensor interfacing, and power input for microcontroller systems. It integrates smoothly with platforms like Arduino, Raspberry Pi, and ESP32 where USB data or power access is needed. With its straightforward layout and beginner-friendly design, the SmartElex USB Mini-B Breakout Board is a practical choice for prototyping, repairing devices, or building custom hardware that requires a stable USB Mini-B interface. Features: USB Mini-B connector broken out to easy-to-use pins Simplifies USB connection for prototyping and DIY projects Ideal for adding USB power or data lines to custom circuits Beginner-friendly design suitable for learning and development Works with Arduino, Raspberry Pi, ESP32, and microcontroller boards Useful for repairs, testing, and hardware integration in embedded projects

7Semi 0.5mm FFC FPC Connector Breakout Board (30 Pin) The 7Semi 0.5mm FFC FPC Connector Breakout Board (30 Pin) is engineered to simplify interfacing fine-pitch flat cables with standard prototyping setups. Built around a 30-pin, 0.5mm pitch ffc fpc connector, this board features a front-flip, bottom-contact SMT connector with a precise 2mm height, ensuring secure cable insertion and stable signal transmission. The breakout converts the fine-pitch FFC/FPC signals into 0.1″ spaced dual-row output pins, making it fully compatible with breadboards and development boards. With clearly marked pin numbers and reliable PCB soldering, this breakout board is ideal for prototyping, testing, and integrating LCDs, touch panels, embedded systems, and custom electronic interfaces where accuracy and connection reliability are critical. Features: 0.5mm pitch FPC FFC connector with 30 pins and a 2mm front flip bottom contact. speeds up the prototyping process. Out pins with traces leading to double rows of 0.1" spaced holes. Compatible pin spacing for breadboard application. Easily recognizable pin numbers Size: 40 x 25 mm

7Semi BMP581 High-Precision Barometric Pressure & Altitude Sensor Breakout The 7Semi BMP581 Barometric Pressure & Altitude Sensor Breakout is engineered for projects that demand highly accurate atmospheric pressure and altitude data. Built on Bosch’s advanced sensing technology, this compact module delivers exceptional precision with ±30 Pa absolute accuracy and ±6 Pa relative accuracy, translating to altitude precision as fine as ±0.5 meters. Its ability to operate across a wide 300–1250 hPa pressure range makes it ideal for applications like weather stations, environmental monitoring, and UAV altitude tracking. Designed for effortless integration, the BMP581 supports I2C, I3C, and SPI interfaces, making it compatible with a wide range of development boards and embedded systems. The Qwiic connector ensures solder-free wiring, while the low-power operation makes it suitable for portable and battery-powered devices. Whether you're building an IoT sensor node, a smart altimeter, or barometric logging system, this breakout brings reliable performance, high sensitivity, and fast data rates, perfect for altitude measurement and barometric pressure sensing projects. Features: Provides high-precision barometric readings with ±30 Pa absolute accuracy and ±6 Pa relative accuracy for reliable altitude measurement. Offers extremely fine resolution down to 1/64 Pa, ensuring smooth and accurate environmental data output. Includes Qwiic Connect support for solder-free I2C connectivity along with 0.1" header pins for SPI or wired I2C connections. Operates with ultra-low power consumption, only 1.5 µA in deep standby and 260 µA during active measurements. Covers a wide pressure sensing range from 30 to 125 kPa with high output data rates up to 622 Hz for real-time applications. Provides flexible configuration options, including adjustable oversampling, FIFO buffer, and low-pass filtering for optimized performance. Features 6 bytes of onboard non-volatile memory for storing user-specific calibration or configuration data.

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 u-blox MAX-M10S GNSS Module Breakout The SmartElex u-blox MAX-M10S GNSS Module Breakout is a compact, ultra-low power GNSS module designed for precision positioning in battery-operated applications such as asset trackers, wearables, and IoT devices. Powered by the u-blox MAX-M10S GNSS receiver, it supports multi-constellation tracking including GPS, GLONASS, BeiDou, and Galileo while consuming less than 25 mW in continuous tracking mode. u-blox Super-S technology enhances RF sensitivity, enabling accurate location fixes even with small antennas and in non-line-of-sight conditions. An on-board rechargeable backup battery maintains the RTC and GNSS orbit data for up to 5 hours, reducing time-to-first-fix from a ~24 s cold start to a ~1 s hot start. The board includes an SMA connector for external antennas, 0.1″ spaced pins for breadboard use, and a UART interface compatible with standard serial adapters. Configuration options such as baud rate, update rate, spoofing detection, and interrupts can be easily managed using the u-blox u-center software, making this low power GNSS module a reliable choice for high-accuracy positioning applications. Note: The MAX-M10S's I2C address is 0x42, which is software programmable. A multiplexer/Mux is required to communicate with many MAX-M10S boards with the same address on a single bus. Features: 1.5m Horizontal Accuracy 10Hz Max Update Rate Hot: 1sMax Altitude: 80,000m Max G: ≤4 Max Velocity: 500m/s Velocity Accuracy: 0.05m/s Heading Accuracy: 0.3 degrees Time Pulse Accuracy: 30ns 3.3V VCC and I/O Current Consumption: ~6mA to ~25mA (varies with constellations and tracking state) Supports NMEA and UBX protocols over I2C or UART interfaces

7Semi DC Buck Converter Breakout 5V 2A Out (AP62301) (BO-10133) The 7Semi DC Buck Converter Breakout 5V 2A Out (AP62301) is a small power module that converts higher DC input voltages into a steady 5V output with up to 2A current. It allows you to power 5V-based electronics from a wide range of DC power sources such as batteries and adapters. This makes it perfect for projects that need a reliable 5V supply. Built with an efficient synchronous buck converter design, this module delivers stable power while keeping energy loss and heat to a minimum. Its compact size makes it easy to add to space-limited electronics projects like IoT devices, microcontroller boards, and portable systems. Whether you’re building sensors, development boards, or embedded systems, this buck converter gives you a simple and dependable way to get 5V power. Features: Provides a stable 5V output with up to 2A continuous current Accepts a wide range of DC input voltages for flexible power sources Efficient synchronous buck converter design for low power loss Low heat generation for cool and reliable operation Compact breakout board for easy integration and prototyping Ideal for powering 5V microcontrollers, sensors, and IoT devices Perfect for embedded systems, portable electronics, and hobby projects

7Semi SHT40 Temperature & Humidity Sensor Breakout I2C Qwiic SHT40 Breakout (ES-13514) The 7Semi SHT40 Temperature & Humidity Sensor Breakout (I2C Qwiic) is a compact and reliable sensor module designed to measure both temperature and humidity with high accuracy. It is based on the Sensirion SHT40 sensor, making it suitable for modern electronics projects that need precise environmental data. This breakout board supports I2C communication and comes with a Qwiic connector, allowing quick and solder-free connections with microcontrollers like Arduino, ESP32, and Raspberry Pi. Its small size and low power consumption make it ideal for IoT devices, weather monitoring, indoor air quality projects, and learning applications where simplicity and accuracy matter. Features: High-accuracy temperature and humidity sensing using the SHT40 sensor Supports I²C communication for easy integration with microcontrollers Qwiic connector enables quick, solder-free plug-and-play connections Wide measurement range of 0–100% RH and –40°C to +125°C temperature Low-power and compact design, ideal for IoT and battery-powered projects Compatible with Arduino, Raspberry Pi, ESP32, and other development boards SHT40 Board Dimensions

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

7Semi UCC21220 Dual-channel Isolated Gate Driver Breakout The 7Semi UCC21220 Dual-Channel Isolated Gate Driver Breakout is a high-performance isolated gate driver module designed to provide safe and efficient driving of power MOSFETs and GaN FETs in modern power electronics systems. Many microcontrollers and control boards cannot directly drive high-voltage gates or handle fast switching signals without isolation; this board solves that by offering galvanic isolation between the control logic and the power stage. This ensures reliable operation, protects sensitive components, and reduces noise interference in demanding applications. Featuring dual channels with robust isolation and wide input ranges, this breakout simplifies the implementation of isolated MOSFET gate driving in converters, inverters, motor drives, and power supplies. Its compact design and ease of integration make it suitable for students learning power electronics, hobbyists building advanced projects, and professionals developing prototypes or industrial systems. With strong performance and reliable protection, it helps improve overall system efficiency and safety wherever isolated high-speed switching is needed. Features: Advanced basic and functional isolation for safe and efficient power transfer Fast and precise switching with 40 ns max propagation delay, 5 ns delay matching, and low pulse-width distortion High output drive strength with 4 A peak source and 6 A peak sink capability Built-in protection features including UVLO, active pulldown, and input transient rejection Supports high-side, low-side, and half-bridge configurations Ideal for driving MOSFETs and GaN FETs in demanding power applications

7Semi MCP23017 I2C to 16 IO Expander Breakout Board The 7Semi MCP23017 I2C to 16 IO Expander Breakout Board is designed to expand the digital I/O capability of microcontrollers using the trusted MCP23017 I2C IO Expander IC. It provides exactly 16 configurable GPIO pins over a single I2C bus, reducing wiring complexity while maintaining stable performance. Each pin can be independently set as input or output, and the onboard interrupt feature allows the controller to respond instantly to pin state changes. This MCP23017 Breakout Board is compact, easy to integrate, and ideal for applications such as home automation, robotics, industrial control panels, and any project that requires multiple digital inputs and outputs without consuming extra microcontroller pins. Features: 16 I/O Pins: Converts two signal pins into sixteen completely customizable I/O pins. Multi-board Expansion: For larger applications, stack up to 8 boards to provide up to 128 I/O pins. Configure I2C addresses by setting the A0, A1, and A2 jumpers. Dual Connectivity: Includes PH2.0 terminal and solder pad choices for simple connection. Wide Compatibility: Compatible with both 3.3V and 5V systems, ensuring platform versatility. Interrupt Support: The INTA and INTB interrupt pins are used for real-time signal handling. Development Resources: Includes detailed instructions and sample projects for Raspberry Pi, Arduino, STM32, and micro. Easy Integration: The I2C interface, combined with a 4Pin 2.0 mm JST connector, provides for an easy and flexible connection to any MCU.

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.