7Semi MCP9808 I2C Temperature Sensor Breakout The 7Semi MCP9808 I2C Temperature Sensor Breakout is a precision I2C temperature sensor module designed to deliver accurate and reliable temperature measurements with minimal effort. Built around the high-accuracy MCP9808 temperature sensor IC, this breakout board provides easy digital temperature sensing through a standard I2C interface, making it ideal for projects where precise environmental monitoring is essential. It solves the challenge of interfacing analog temperature sensors with microcontrollers by offering a simple digital communication method that eliminates the need for complex calibration. This compact sensor module is highly compatible with popular development platforms like Arduino, Raspberry Pi, and other microcontrollers, offering stable performance and low power consumption. With its high accuracy and straightforward interface, it’s perfect for students, hobbyists, and professionals working on weather stations, HVAC systems, data loggers, thermal control systems, and indoor environmental monitoring projects. Its robust design ensures dependable readings across a wide range of applications, reducing development time and improving overall system reliability. Features: High-accuracy MCP9808 sensor IC with ±0.25 °C typical precision Wide operating temperature range from –40 °C to +125 °C High-resolution temperature readings with 0.0625 °C resolution Supports 2.7V to 5.5V power and logic levels for flexible compatibility I²C interface allows connection of up to 8 sensors on a single bus Compact breakout board for easy integration in embedded projects

7Semi PCA9306 I2C Bidirectional Voltage Level Translator Breakout Board The 7Semi PCA9306 I2C Bidirectional Voltage Level Translator Breakout Board is a compact and efficient PCA9306 voltage level translator designed to safely interface I2C and SMBus devices operating at different logic levels. Supporting voltage translation from 1.2V to 5.0V, this board enables seamless communication between low-voltage sensors and higher-voltage microcontrollers without manual direction control. As a dependable I2C logic level converter, it delivers minimal signal delay and stable bidirectional data flow, making it ideal for robotics, industrial controllers, embedded systems, and DIY electronics projects requiring precise mixed-voltage I2C communication. Allowable Voltage Level Translation The breakout can transfer voltages ranging from 3.3V to 5V. VREF1 (Low Side) VREF2 (High Side) 1.2V 1.8V, 2.5V, 3.3V, 5V 1.8V 2.5V, 3.3V, 5V 2.5V 3.3V, 5V 3.3V 5V Features: Wide Voltage Range Support: Operates between 1.2V and 5.0V, accommodating a wide range of components. Dual Bidirectional Channels: Translates both the SDA and SCL lines for complete I2C compatibility. I2C and SMBus Protocol Support: Fully compatible with regular and fast-mode I2C devices, as well as SMBus peripherals. No Direction Pins Required: Signal direction is automatically detected for easier design. Low propagation delay: A delay of less than 1.5ns maintains data integrity at high speeds. 5V Tolerant I/O Ports: Securely links 5V signals to lower voltage devices. Compact and simple to use: ideal for embedded applications, prototyping, and compact systems.

7Semi RS485 to UART Transceiver Breakout Board - BL3085A The 7Semi RS485 to UART Transceiver Breakout Board – BL3085A is a compact and efficient solution for reliable serial communication, designed to convert UART signals to RS-485 with high stability and low power consumption. This RS485 to UART Transceiver supports data rates up to 250 kbps and features a slew-rate-controlled driver that minimizes electromagnetic interference and prevents signal reflections, even with improper cable termination. As a Low Power RS485 Module, it allows up to 256 devices to communicate on a single RS-485 bus thanks to its high receiver input impedance. The board is built for durability with ±10 kV ESD protection and offers flexible connectivity through a 3-pin terminal block and standard 2.54 mm pin header, making it a dependable choice for industrial automation, building management systems, embedded networking, and IoT communication applications. Features: High-Speed Data Transmission: Enables reliable data transfer at rates of up to 250kbps, eliminating communication mistakes. Electromagnetic Interference Reduction: The slew-rate-limited driver reduces EMI and signal reflections for increased stability. Multiple Transceiver Support: The high input impedance allows for flawless operation with up to 256 transceivers on the same RS-485 bus. Built-in electrostatic discharge prevention (±10kV) protects components against voltage spikes. Flexible Connectivity: Includes a 3-pin terminal block and 2.54mm pin headers for simple integration into breadboards and wiring systems. Compact and Sturdy Design: A durable yet lightweight design suitable for industrial and embedded applications. Applications: Industrial Automation & Control Systems Building Management & HVAC Controls Data Acquisition & Monitoring Systems Embedded Networking Solutions IoT & Smart Device Communication

7Semi SC18IM704 UART to I2C Bus Bridge Breakout Board The 7Semi SC18IM704 UART to I2C Bus Bridge Breakout Board is a compact and efficient UART to I2C bridge converter designed to simplify communication between UART-based microcontrollers and I2C peripherals. It enables reliable protocol conversion with UART speeds of up to 460.8 kbit/s, while the integrated 256-byte FIFO buffer minimizes data loss during high-speed transfers. Using an easy-to-implement ASCII message protocol, developers gain precise control over I2C bus sequences, including timing and arbitration. With additional user-programmable GPIO pins, this board is well-suited for embedded systems, industrial control, and IoT applications where UART and I2C interfaces must work together seamlessly. Features: High-Speed Communication: Supports UART baud rates of up to 460.8 kbit/s and a 256-byte FIFO for efficient data processing. User-Friendly Interface: Communicates with the host MCU via conventional RX and TX pins, making integration into systems straightforward. I2C Protocol Control: The ASCII message protocol provides full control over I2C-bus sequences, including protocol, arbitration, and timing. Industrial Applications: Ideal for communication bridges, automation control, and I2C bus support in a variety of industrial configurations. Configurable GPIO Pins: Provides multiple user-configurable GPIO pins to meet unique application requirements.

7Semi SGP40 VOC Air Quality Sensor Breakout with Qwiic I2C Interface The 7Semi SGP40 VOC Air Quality Sensor Breakout is designed for creators, engineers, and HVAC professionals who need accurate and dependable indoor air quality measurement. Built around Sensirion’s advanced SGP40 sensor, it detects a wide range of volatile organic compounds with high sensitivity, making it ideal for smart home automation, air purifiers, and environmental monitoring projects. Its compact 19 x 19 mm footprint and low power consumption make it an excellent fit for battery-powered devices and space-constrained applications. With its digital I2C interface and compatibility with both 3.3V and 5V systems, this breakout offers effortless integration with popular microcontroller platforms. The built-in VOC Index algorithm translates raw sensor data into an easy-to-understand metric, helping users track real-time changes in indoor air quality. Whether you're building a DIY sensor hub or upgrading an advanced HVAC system, this VOC sensor module provides reliable, fast, and consistent performance. Features: High-performance SGP40 sensor capable of detecting a broad spectrum of volatile organic compounds for precise indoor air quality monitoring. Fully digital 16-bit output with on-chip humidity compensation to ensure consistent and accurate readings in varying environments. Wide supply compatibility with 3.3V and 5V systems, making it suitable for Arduino, Raspberry Pi, ESP32, and similar controllers. Sensirion VOC Index algorithm interprets raw VOC events and provides actionable, human-readable VOC Index values. Ultra-compact 19 × 19 mm PCB with low heat emission for stable humidity and temperature readings. Low average power consumption down to 6 mW, enabling long-life battery-powered applications. Fast response time under 10 seconds, ensuring quick detection of changes in indoor pollutant levels. Board Dimensions: Arduino I2C Connection Diagram:

7Semi SHT45 and SGP41 Environmental Sensor Breakout The 7Semi SHT45 and SGP41 Environmental Sensor Breakout is a versatile environmental sensor module designed for accurate and simultaneous measurement of temperature, humidity, and air quality. By combining high-precision SHT45 sensing with the advanced SGP41 air quality sensor on one compact board, it simplifies environmental monitoring for a wide range of projects. Whether you’re building smart home systems, indoor air quality stations, or industrial monitoring tools, this sensor package provides reliable real-time data where it matters most. Offering stable performance with easy digital communication interfaces, this breakout is ideal for both beginners and advanced makers. Its compatibility with popular microcontrollers and development platforms makes integration seamless for IoT applications, HVAC control, weather stations, and wellness monitoring systems. Students, hobbyists, and professionals alike will appreciate the module’s precision, low power use, and plug-and-play ease for projects requiring dependable environmental sensing. Features: SHT45 High accuracy with ±1.0% RH and ±0.1°C temperature precision Built on advanced CMOSens technology for improved accuracy and low power use Optimized for standard SMD assembly, suitable for high-volume production SGP41 Digital VOC sensor designed for indoor air quality monitoring Patented CMOSens technology with temperature-controlled micro-hotplate I²C interface for easy integration with microcontrollers Humidity compensation for accurate air quality readings Compatible with VOC algorithms for immediate IAQ evaluation

7Semi STM32G030K6T6 STM32 Development Board The 7Semi STM32G030K6T6 STM32 development board is built around the STM32G0 series microcontroller featuring an ARM Cortex-M0+ core running up to 64 MHz, delivering reliable performance with low power consumption. Designed for rapid prototyping and embedded development, it provides essential peripherals such as GPIOs, ADC, timers, and serial communication interfaces including UART, SPI, and I2C. This board’s main core function is to enable efficient control, data processing, and peripheral management in applications like IoT devices, consumer electronics, and industrial automation. With easy integration into standard STM32 development tools, it serves as a dependable platform for development, testing, and real-world deployment. Features: High-Performance STM32 Chip: STM32G030K6 with 64 MHz core, 32K Flash, and 8K RAM for maximum computing power. Integrated Memory Protection and Enhanced I/Os Onboard 8K SRAM and up to 64K Flash memory with numerous safeguards, adaptable I/Os, and a range of communication interfaces (I2Cs, SPIs, and USARTs). Comprehensive Peripheral Support: Includes a 12-bit ADC with up to 19 channels, an advanced PWM timer, 16-bit timers, and watchdog timers to ensure system stability. USB-C Power Supply and Debugging Interface: USB-C compatibility allows for efficient power management, while the SWD debugging interface allows for seamless emulator connections. Onboard Control and Indicator Lights: Includes a power indicator, programmable LED, and reset button for real-time status information and simple user control.

7Semi STM32G0B1RET6 Development Board - 32-bit Arm Cortex-M0+ MCU The STM32G0B1RET6 development board by 7Semi is designed to deliver efficient 32-bit embedded processing in a compact and easy-to-use form factor. Built around the STM32G0B1RET6 Arm Cortex-M0+ MCU running at 64 MHz, it provides 512 KB Flash and 144 KB SRAM, making it well-suited for industrial IoT, robotics, automation, and embedded learning applications. This STM32G0B1RET6 development board includes USB-C power input, 2× FDCAN support, SWD debugging, and multiple serial interfaces such as USART, SPI, and I2C. With labeled headers, onboard LEDs, reset and user buttons, and breadboard-ready spacing, it offers a smooth development experience for both beginners and professional engineers. Features: A user-friendly layout with labeled headers and USB power. CAN (FDCAN) support is excellent for automotive and industrial use. Built-in ADC, DAC, PWM, and timers are ready for sensing and control. Up to 64 GPIO pins provide enough of I/O options for your sensors, displays, and peripherals. Plug-and-play USB-C input power, with inbuilt reset/user buttons and LED indicators. Applications: IoT Projects and Smart Devices Industrial Control Systems Home Automation Robotics and Mechatronics Embedded Systems Learning and Experimentation CAN Bus Prototyping Secure Embedded Bootloaders

7Semi TMAG5273 4Pin 3D Hall-effect Sensor Breakout Module The 7Semi TMAG5273 4Pin 3D Hall-effect Sensor Breakout Module is built around the high-performance TMAG5273 3D Hall-effect Sensor from Texas Instruments, designed to measure magnetic fields precisely across the X, Y, and Z axes. It supports a selectable linear magnetic sensing range of ±40 mT or ±80 mT, making it suitable for both low and moderate magnetic field applications. With an I2C communication interface and a convenient 4-pin JST connector, this module ensures easy integration into embedded systems, robotics, and industrial sensing projects where accurate three-dimensional magnetic field measurement is essential. Features: Selectable Magnetic Range at X, Y, or Z axis: TMAG5273x1: ±40mT, ±80mT TMAG5273x2: ±133mT, ±266mT Precision and efficiency: Interrupt signal based on user-defined magnetic and temperature criteria 5% typical sensitivity drift. Integrated angle CORDIC calculation with gain and offset adjustments. 20kSPS single-axis conversion rate. Configurable averaging of up to 32x for noise reduction. Improved communication: I2C interface with CRC. Maximum 1-MHz I2C clock speed. Special I2C frame readings for increased throughput. I2C addresses are factory-programmed and can be modified by the user. Enhanced durability: Integrated temperature correction for different magnet kinds. Built-in temperature sensor Supply voltage: 3.3 volts Operating temperature range: -40C to 125C.

7Semi TPS631000 DC-DC Buck Boost Converter 1.6V-5.5V In 3.3V 1.5A Out The 7Semi TPS631000 DC-DC Buck Boost Converter is a versatile and efficient DC-DC Buck Boost Converter module designed to deliver a stable 3.3V output at up to 1.5A from input voltages ranging between 1.6V and 5.5V. Whether your voltage source is above or below 3.3V, this converter ensures a reliable and consistent power supply, solving the common challenge of fluctuating input voltages in battery-powered and embedded systems. This compact module uses the high-performance TPS631000 controller to provide efficient power conversion with minimal loss, making it ideal for microcontrollers, sensors, communication modules, and portable electronics. Its broad input range and stable output make it perfect for students, hobbyists, and professionals working on IoT devices, robotics, wearables, and other projects that require dependable 3.3V power under varying supply conditions. Features: Wide 1.6V–5.5V input range, compatible with batteries and varied power sources Adjustable output voltage from 1.2V to 5.3V for flexible designs High output capability: up to 2A (VIN ≥ 3V) and 1.5A (VIN ≥ 2.7V) with 3A peak switch current Ultra-low 8 µA quiescent current for excellent energy efficiency Automatic buck, boost, and buck-boost mode switching for stable output Compact, reliable design ideal for space-constrained and precision applications