12v Mini Square Siren 12V Mini Square Siren is a compact and reliable audio alert device designed to produce loud warning sounds in a variety of systems and applications. This siren operates on a standard 12 V DC supply, making it suitable for automotive, security, alarm, and industrial use. It solves the need for a simple yet effective audible alert, ideal for installers, technicians, hobbyists, and makers who require a clear sound signal in their projects or safety systems. Perfect for both professional setups and DIY electronics, this mini square siren can be integrated into vehicle alarms, home security systems, factory warning circuits, and other alerting applications where sound notification is needed. Its small size and straightforward installation allow users to deploy it easily in tight spaces, and its dependable performance ensures consistent alerts, enhancing safety and awareness in your systems.

5V LED Traffic Light Module The LED Traffic Light Module is a compact and easy-to-use component designed for educational, hobby, and DIY electronic projects. Operating on a 5V DC supply, it replicates a real-world traffic signal system with red, yellow, and green LEDs arranged in a vertical format. Its simple common cathode design allows effortless wiring and control, making it perfect for beginners experimenting with microcontrollers like Arduino, Raspberry Pi, and other development boards. Ideal for traffic light simulations, robotic signaling, and learning applications, this module offers a hands-on experience in understanding LED sequencing and timing control. Its small, lightweight structure fits perfectly into model cities, smart traffic systems, or custom circuit prototypes, making it a fun and educational addition to any electronics toolkit. Features: Includes red, yellow, and green LEDs arranged in a realistic traffic signal layout. Works on a stable 5V DC input, suitable for most development boards and power supplies. Common cathode configuration ensures simple wiring and quick integration. Supports PWM control for adjustable brightness and light effects. Compact and lightweight, ideal for small-scale or embedded projects. Great for electronics education, robotics, and traffic system simulations. Durable design for long-lasting performance in repeated experiments.

7Semi 1.27mm Pitch SHT41 Temperature & Humidity Sensor Breakout The 7Semi 1.27mm Pitch SHT41 Temperature & Humidity Sensor Breakout is a compact and high-performance sensing solution designed for modern embedded and IoT applications. Built around the advanced SHT41 Temperature & Humidity Sensor, it delivers precise environmental measurements with ±1.8% relative humidity accuracy and ±0.2°C temperature accuracy, ensuring reliable real-time data. Operating at 3.3V and consuming less than 0.15mA in low-power mode, this breakout board is optimized for long-term, battery-powered deployments. Its 16-bit digital output and flexible I2C communication with multiple address options allow seamless integration with popular microcontrollers, making it ideal for smart home systems, environmental monitoring, industrial automation, and portable electronics where accuracy, efficiency, and compact size are critical. Features: Sensing accuracy is ±1.8% RH (normal) in the 25%-75% range and ±0.2°C temperature, allowing for precise environmental observations. Ultra-Low Power Consumption: In low power mode, consumes less than 0.15mA, making it excellent for systems powered by batteries or limited electricity. The compact design features a 4-pin, 1.27 mm pitch header that allows for easy integration into dense PCB layouts. I2C Interface with Configurable Addresses: Simple to use using conventional I2C communication and pre-configured address settings. This technology has a wide range of applications, including intelligent buildings, IoT systems, industrial automation, smart homes, and environmental sensing. The temperature and humidity sensor is built using fourth-generation SHT40 digital sensor technology, ensuring long-term dependability and stability. Reliable Operating Range: Performs consistently from 0°C to 75°C under varying humidity levels.

7Semi 3Phase TMC6300 BLDC PMSM Brushless Motor Driver Breakout The 7Semi 3Phase TMC6300 BLDC PMSM Brushless Motor Driver Breakout is a compact, efficient brushless motor driver built for controlling 3-phase brushless motors with ease. It integrates the TMC6300 IC to simplify motor driving, reduce external components, and enable smooth, reliable operation. Designed for practicality and reliability, the board offers easy microcontroller compatibility, stable performance, and built-in protections for safe use. It is well suited for students, hobbyists, and professionals working on robotics, automation, drones, and motor-driven DIY applications. Features: Powered by the TMC6300 motor driver IC with high-side and low-side MOSFET control for each phase Supports 6-PWM input signals for precise and complete motor control Diagnostic output for easy detection of system faults Wide 2–11V operating voltage, ideal for low-power applications Breadboard-compatible design with optimized header alignment Built-in thermal and short-circuit protection for safe operation Breakout Board Pinouts – TMC6300 Motor Driver IC Power & Control Inputs VM / GND – Motor power supply (2–11V) VIO – I/O logic level supply / standby control PWM Control Inputs (High-side & Low-side MOSFETs) UH / UL – Phase U PWM inputs VH / VL – Phase V PWM inputs WH / WL – Phase W PWM inputs Outputs SENSE – Current sense output DIAG – Diagnostic and fault indication output U / V / W – Motor phase outputs from the three half-bridges

7Semi 5A Analog INA169 DC Current Sensor Breakout The 7Semi 5A Analog INA169 DC Current Sensor Breakout is a precision Analog DC current sensor designed for accurate current monitoring in electronic circuits. Powered by the trusted INA169 chip, it delivers consistent current readings up to 5A across a wide input range of 2.7V to 60V. Its low offset voltage and minimal quiescent current ensure reliable measurements, while adjustable gain and overcurrent protection add versatility for various applications. Compact and easy to integrate with microcontroller-based systems, this INA169 current sensor is perfect for IoT projects, battery management, power monitoring, and smart energy solutions, providing dependable performance for both hobbyists and professional engineers. Features: Wide Voltage Range Compatibility: Operates efficiently between 2.7V and 60V, making it suitable for both low and high-voltage applications. High-Side Current measuring: Enables unipolar high-side current measuring for safer and more accurate readings. Customizable Gain Control: Easily alter output sensitivity with a single resistor to meet your individual application requirements. Built-in Signal Amplifier: Provides clean and amplified output signals for accurate ADC conversion. Overcurrent detection protects connected components by detecting and responding to excessive current. Low Quiescent Current: Consumes only 60 µA, making it ideal for energy-sensitive projects. Microcontroller-Friendly: Fully compatible with Arduino, ESP32, STM32, Raspberry Pi, and other development boards. Compact Design: Small form factor excellent for embedded system integration and space constraints. Connection Diagram with Arduino:

7Semi ACS772 50A 200KHz Current Sensor, Automotive Grade The 7Semi ACS772 50A 200 kHz Current Sensor is a high-performance current sensor module designed to accurately measure both AC and DC currents up to 50 A with a wide frequency response. Built with automotive-grade components, it delivers dependable and precise current sensing in demanding environments where stability and safety are critical. This sensor addresses the common challenge of obtaining accurate current measurements in power electronics, motor control, and battery systems, helping you monitor and protect circuits effectively. With its broad bandwidth of up to 200 kHz and robust design, the ACS772 current sensor module offers fast response, excellent linearity, and low noise, making it suitable for a wide range of applications. It’s perfect for students and hobbyists working on robotics or power monitoring, as well as professionals developing automotive systems, industrial equipment, and high-speed power electronics. The module’s ease of integration and reliability make it a practical choice for projects requiring real-time current feedback and protection. Features: High-accuracy current sensing with ±2.1% lifetime accuracy across temperature ranges Supports AC and DC current measurement for demanding power applications Ultra-low 100 µΩ internal conductor resistance for minimal power loss Reinforced galvanic isolation for safe high-side current monitoring Excellent noise immunity with advanced amplifier and filtering design Factory-trimmed gain and offset for consistent, reliable performance Compact, automotive-grade package for easy integration and mounting

7Semi Analog LM35 Temperature Sensor Probe with 1M Waterproof Cable The 7Semi Analog LM35 Temperature Sensor Probe with 1M Waterproof Cable is a dependable temperature sensor probe designed for accurate and real-time temperature monitoring in electronics and automation projects. Based on the trusted LM35 temperature sensor, it delivers a precise analog output directly proportional to temperature at 10mV per degree Celsius, eliminating the need for complex calibration. The waterproof metal probe and 1-meter insulated cable make it perfect for harsh, humid, or submerged environments such as water tanks, weather stations, incubators, and industrial control systems. Unlike thermistors that require calibration or digital sensors that depend on protocols, this analog temperature sensor offers simple integration, stable performance, and consistent accuracy for Arduino, Raspberry Pi, IoT, and embedded applications. Features: Direct Kelvin Calibration: Produces 10mV per Kelvin, facilitating conversion to Celsius or Fahrenheit. High initial accuracy (±1°C at 25°C) without external calibration. Operates reliably from 450µA to 5mA, allowing for design flexibility. Low dynamic impedance (less than 1 Ohm) ensures little voltage change under changing load circumstances. Extended Temperature Sensing Range: Measures temperatures ranging from -40°C to +100°C, making it appropriate for low and moderate heat applications. No calibration required: provides an accurate and linear response right out of the box. Interface-Free Design: Unlike thermocouples, no signal conditioning or amplifiers are required. Simple to Implement: The two-terminal topology simplifies circuit design and PCB layout. LM35 Temperature Sensor Probe Pinout Diagram: LM335 Wiring with Arduino Connection Diagram: LM335 Temperature Sensor with Arduino Components Required An LM335 sensor A breadboard An arduino board Some jumper wires A 2k resistor Pin Connections Pin 1 is the Adjustable Pin (Adj). This allows us to calibrate the temperature sensor if more precise temperature is required. It is not needed for testing. Pin 2 is the output pin. Attach this pin to analog pin A0 of the arduino board and connect the 2KOhm resistor to the 5V pin of the arduino. Pin 3 is the ground pin and it connects to the ground (GND) terminal of the arduino.

7Semi AS7343 14-Ch Spectral Sensor Module The 7Semi AS7343 14-Ch Spectral Sensor Module is built around the advanced AS7343 spectral sensor, delivering accurate spectral data through 14 independent channels across the 350–1000 nm range. This wide coverage enables reliable color analysis, material classification, and ambient light calibration in embedded systems. With a 3.3 V I²C interface, onboard LED, interrupt support, and easy-to-use breakout layout, the module is designed for seamless integration into electronics, IoT, and research applications where precise spectral measurement is essential. Features: AS7343 spectral sensor with 14-channel light detection Wide spectral range: 350–1000 nm (UV to near-IR) Accurate color and spectral analysis capability 3.3 V I²C interface for easy microcontroller integration Onboard LED and interrupt pin support Compact breakout design with mounting holes Applications: Color measurement and spectrum analysis Ambient light sensing and calibration Material classification/sorting Optical spectroscopy for portable devices Agriculture, Health, and Wearable Monitoring Color calibration for displays and LEDs

7Semi BME280 Temperature, Humidity & Pressure Sensor Nano Breakout The 7Semi BME280 Nano Breakout is a compact and highly reliable environmental sensing module designed for projects that require accurate temperature, humidity, and barometric pressure readings. Powered by Bosch’s trusted BME280 sensor, it delivers precise data with ±1.0°C temperature accuracy, ±3% humidity accuracy, and ±1 hPa pressure accuracy. With its 2.54mm pitch header and I2C interface, this breakout integrates effortlessly into Arduino, Raspberry Pi, and other embedded systems, making it perfect for weather stations, smart home setups, and environmental monitoring projects. Its small footprint and robust construction make it suitable for space-constrained applications without compromising performance. Whether you're building a DIY weather dashboard, automating a greenhouse, or working on an IoT environmental sensor node, the BME280 ensures fast, stable, and reliable readings. This sensor is also capable of altitude measurement, bringing added versatility to drones, outdoor devices, and scientific experiments. Features: Provides highly accurate temperature, humidity, and barometric pressure measurements using the Bosch BME280 sensor. Supports I2C communication and operates at 3.3V, ensuring simple wiring and compatibility with common microcontrollers. Compact nano breakout design with a 2.54mm pitch header, making it ideal for breadboard and prototype-friendly builds. Offers dependable performance with ±1.0°C temperature accuracy, ±3% humidity accuracy, and ±1 hPa pressure accuracy. Functions as an altimeter with ±1 meter accuracy, adding enhanced functionality for robotics and outdoor applications. Built with a durable and reliable layout, ensuring long-term stability in environmental and scientific projects. Suitable for weather monitoring, smart home automation, agriculture, greenhouse tracking, and IoT systems.

7Semi BME680 Temperature, Humidity, Pressure & Air Quality Sensor Breakout with Qwiic Interface The 7Semi BME680 Environmental Sensor Breakout is a compact yet powerful module designed for applications that require accurate measurement of temperature, humidity, pressure, and indoor air quality. Built around the trusted Bosch BME680 sensor, it provides dependable multi-parameter environmental data in real time, making it ideal for IoT projects, smart home automation systems, and portable environmental monitoring devices. Its efficient gas sensor intelligently detects VOC levels, helping you assess indoor air quality with ease. Engineered for universal compatibility, this breakout includes both a voltage regulator and level shifter, enabling seamless integration with 3.3V and 5V microcontroller platforms such as Arduino and Raspberry Pi. The Qwiic connector and I2C/SPI support ensure quick setup without messy wiring, while its compact size makes it perfect for wearables and space-constrained builds. With low-power operation, stable readings, and selectable I2C addresses, this module provides developers with a simple and reliable way to enhance environmental sensing in modern embedded projects. Features: Provides accurate measurement of temperature, humidity, pressure, and VOC-based air quality, making it an all-in-one environmental sensor solution. Supports I2C and SPI communication, ensuring smooth integration with Raspberry Pi, Arduino, ESP32, and other development boards. Includes selectable I2C addresses (0x76/0x77) to allow multiple sensors on a single bus without conflicts. Features a built-in voltage regulator and level shifting circuitry, allowing safe use with both 3.3V and 5V systems. Designed with low power consumption, suitable for long-term, battery-powered, or portable applications. Comes in a compact 19×19 mm breakout form factor, perfect for handheld devices, IoT wearables, and mini weather stations. Provides stable VOC readings after a short burn-in time, ensuring reliable indoor air quality measurements.