DFRobot Gravity Analog Water Pressure Sensor Module

MPX10DP Differential Pressure Sensor The MPX10DP Differential Pressure Sensor consists of a pressure-sensitive element to determine the actual pressure applied to the sensor and some components to convert this information into an output signal. The MPX10DP Pressure Sensor is a dual-port uncompensated Silicon Pressure Sensor for environmental control systems and level indicators. The MPX10 series silicon piezoresistive pressure sensor provides a very accurate and linear voltage output, directly proportional to the applied pressure. This standard uncompensated sensor permits manufacturers to design and add their own external temperature compensation and signal conditioning networks. This sensor has on-chip temperature compensation and is laser-calibrated. As the output voltage is linear with the pressure the signal is particularly easy to interpret. check out : Differential Pressure Transmitter for Variable Air Volume(VAV) Connection Diagram with Arduino: Features: Dual-port uncompensated Silicon Pressure Sensor Accurate and linear voltage output proportional to applied pressure On-chip temperature compensation and laser calibration Easy interpretation of output voltage Suitable for flow measurement, level indicators, pressure-operated switches, and weather stations Applications: Flow measurement Level indicators Air Movement Control Pressure-operated switches Weather stations Pneumatic Control Systems

SmartElex Sound Detection Sensor The SmartElex Sound Detection Sensor is a compact and efficient sound sensor module designed to detect sound presence and measure sound intensity with precision. Built around the LM386 audio amplifier, it provides both analog (AOUT) and digital (DOUT) outputs, making it suitable for a wide range of applications—from simple sound-triggered actions to detailed audio level monitoring. Operating smoothly between 3.3V and 5.3V, this sound sensor Arduino compatible module integrates easily with popular development boards such as Arduino, STM32, and Raspberry Pi. Its low power consumption, small form factor, and included 4-pin cable make it perfect for sound-activated projects, noise detection systems, smart devices, and interactive electronics where reliable audio sensing is required. Features: LM386 audio amplifier for a powerful sound signal enhancement. Detect low-level sounds with 200× amplification. Wide voltage range: 3.3 to 5.3 volts Dual outputs: analog (AOUT) and digital (DOUT). Low power consumption, suitable for embedded systems. Adjustable gain using external components Compact and lightweight; breadboard-friendly. Simple integration with Arduino, STM32, and more.

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

7Semi High-Precision Temperature & Humidity Sensor Probe The 7Semi High-Precision One-Wire Temperature and Humidity Probe is engineered for applications where accuracy, durability, and reliability truly matter. Built with advanced CMOSens sensing technology, it delivers precise digital measurements even in extreme environmental conditions. Its stainless-steel porous housing provides excellent protection against moisture, dust, and chemical contaminants, making it dependable for long-term use in demanding setups. Designed for industrial automation, scientific research, HVAC systems, and environmental monitoring, this probe offers excellent responsiveness and stability across wide temperature and humidity ranges. The one-wire interface reduces wiring complexity, while the compact form factor and 1-meter cable make installation effortless. With its industrial-grade sensing, high-accuracy performance, and rugged enclosure, this probe is ideal for both stationary and mobile applications. Features: Designed with advanced CMOSens technology to deliver highly accurate humidity and temperature readings in challenging environments. Operates efficiently at 3.3V, making it suitable for battery-powered and portable devices. Works across extreme environmental conditions, including temperatures from -40°C to +125°C and pressures up to 150 bar. Encased in a stainless-steel breathable shell that resists corrosion, dust, chemical exposure, and moisture. One-wire digital interface ensures simple integration and minimal wiring requirements. Proven reliability in high-pressure, high-temperature, vacuum, and explosive environments. Built for long service life with strong resistance to oxidation and particulate blockage. Includes a 1-meter cable with a mini round shell connector for flexible installation in tight or specialized spaces. 7Semi High-Precision Temperature & Humidity Sensor Probe Pinout Diagram:

SmartElex 12V 3A 2 Channel Signal Relay Module The SmartElex 12V 3A 2 Channel Signal Relay Module is a compact and dependable solution for controlling multiple electrical loads using low-power control signals. It allows users to switch devices safely without directly handling higher voltages or currents, helping protect sensitive control circuits. This relay module is suitable for students, makers, engineers, educators, and startups working on embedded systems, control projects, and automation setups that require reliable dual-channel switching. This 2-channel relay module is ideal for robotics, IoT applications, home and industrial automation, and general prototyping where two devices need to be controlled independently. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, making it simple to control lights, motors, pumps, alarms, or other external equipment. The straightforward design and stable performance make it easy to integrate into both experimental projects and finished products, supporting consistent and safe operation. Features: Dual-channel relay module for controlling two devices independently Operates on 12V, suitable for automation and control systems Supports up to 3A load current per channel Provides electrical isolation between control and load circuits Compatible with Arduino, Raspberry Pi, ESP32, and other controllers Compact design with LED indicators for easy status monitoring

Cytron Maker UNO X – Arduino Compatible Development Board for Classroom The Cytron Maker UNO X is a beginner-friendly, classroom-ready Arduino-compatible development board designed to simplify STEM education. Equipped with built-in LEDs on every digital pin, a programmable push button, a piezo buzzer, and a powerbank-friendly design, it eliminates messy wiring and allows students to start coding instantly. This board is ideal for Arduino beginners, school STEM labs, coding clubs, training centers, and anyone learning microcontroller basics. With plug-and-play functionality and seamless compatibility with Arduino IDE, it delivers a smooth learning experience for educators and students alike. Created with the needs of teachers in mind, the Cytron Maker UNO X features an onboard half-size breadboard and perfboard for quick prototyping, making it easy to build hands-on electronics projects right out of the box. Powered by the ATmega328P, and complete with essential interfaces like UART, SPI, I2C, PWM pins, and analog inputs, this board is perfect for exploring coding, electronics, and robotics in a structured classroom setup. Whether for STEM workshops, school projects, or Arduino training programs, Maker UNO X provides an engaging, frustration-free learning experience. Features: Fully Arduino UNO-compatible board designed specially for classrooms and STEM beginners. Built-in LED indicators on every digital pin, allowing students to visualize code output instantly without wiring. Includes piezo buzzer, programmable push button, and powerbank-friendly operation for portable projects. Comes with an onboard perfboard prototyping area and a half-size breadboard to simplify hands-on experiments. Powered by the reliable ATmega328P microcontroller with 16MHz clock speed and full support in Arduino IDE. Offers 20 digital I/O pins, 6 PWM pins, 6 analog inputs, and communication interfaces (UART, SPI, I2C). Features 32KB Flash, 2KB SRAM, 1KB EEPROM, making it ideal for beginner programming and small-scale electronics projects. Uses a USB Micro-B interface with CH9340 USB-UART chip (note: not supported on Windows 7). Designed by Cytron to support educators - ensures faster learning with fewer wiring issues and more hands-on coding.

SmartElex TPS63060 5V USB Buck-Boost Module – 500mA The SmartElex TPS63060 5V USB Buck-Boost Module – 500mA is a compact and high-efficiency buck boost module designed to provide a stable 5V output from input voltages ranging from 3V to 12V. Powered by a 2A internal switch, this 5V buck boost converter can deliver up to 500mA from a 3V source and at least 1000mA from a 12V source, making it ideal for battery-powered and portable electronics. Its synchronous operation allows complete output disconnection using the Enable pin, ensuring zero output power consumption when disabled. With over 90% efficiency, low heat generation, and ultra-low quiescent current (5mA enabled, 20µA disabled), it is well-suited for USB-powered DIY projects, embedded systems, and efficient power management applications. Features: Wide input voltage range: 3 to 12 VDC. Stable 5V DC Output: Produces a stable 5V output. 500mA Output Current: Provides up to 500mA of current. Buck-Boost Conversion: Provides a stable output despite swings in input voltage. Universal Power Supply: Ideal for a variety of portable tasks. Battery Pack Conversion: Converts battery packs into 5-volt USB power sources. Ideal for Variable Voltage: Designed to work with fluctuating or unknown battery voltages.

Holybro PM07 Power Module (14S) The Holybro PM07 Power Module (14S) is a robust and reliable power module designed to deliver clean, regulated power to your drone’s flight controller and onboard electronics, supporting up to 14-cell LiPo battery configurations. Engineered for high-current UAV applications, this module provides accurate real-time voltage and current monitoring, helping ensure safe operation while protecting sensitive components from electrical faults. Its efficient power delivery and dependable performance make it an essential component for advanced drone builds and professional UAV platforms. Built to simplify wiring and enhance system reliability, the Holybro PM07 Power Module integrates seamlessly with popular flight controllers, reducing clutter and improving overall power management. Whether you’re developing high-performance multirotor drones, autonomous platforms, or research UAVs, this power module offers consistent energy supply, precise monitoring, and improved safety for extended flight operations, giving you confidence in both performance and durability. Please Note: The XT60 Plug and 12AWG wire that are pre-soldered on the board is rating for 30A continuous current and 60A burst current (< 60 Seconds). If a higher current is being used, the plug type and wire size should be changed accordingly. You can refer to this chart for reference. This PM02 Power Module uses analog data output and is not compatible to the Pixhawk 5X & 6X (Requires a digital PM like PM02D). Features: High-capacity power module designed to support up to 14S LiPo batteries for advanced UAV applications. Delivers clean and stable power to flight controllers and onboard electronics. Provides accurate real-time voltage and current sensing for improved flight safety. Built for high-current handling in professional and heavy-lift drone platforms. Reduces wiring complexity with an integrated power and monitoring solution. Ideal for multirotor drones, autonomous UAVs, and research-grade aerial systems.

SmartElex BMM150 3 Axis Magnetometer Sensor The SmartElex BMM150 3 Axis Magnetometer Sensor is a compact digital sensor designed to measure magnetic fields along three axes. It helps users accurately detect orientation and heading, making it useful in projects where direction sensing and magnetic field measurement are required. This sensor is suitable for students, makers, engineers, educators, and startups working on embedded systems, learning projects, and prototype development that need reliable magnetic sensing in a small and easy-to-use form. This 3 axis magnetometer sensor is commonly used in robotics, IoT devices, navigation systems, and automation projects that require compass functionality or motion awareness. It can be easily integrated with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing smooth data communication and quick setup. The stable performance and simple interfacing make it ideal for applications like robot navigation, electronic compasses, orientation tracking, and smart sensor-based systems Note - The default configuration of module is I2C interface, for SPI interface remove I2C smd jumper & short SPI smd jumper on module. Features: Measures magnetic field strength along three axes (X, Y, and Z) Enables accurate heading and orientation detection Digital output for easy interfacing with microcontrollers Low power operation suitable for battery-powered projects Compact sensor design for space-constrained applications Compatible with Arduino, Raspberry Pi, ESP32, and other development boards

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 MMC5983MA 3-axis Mini Magnetometer Sensor Breakout Module The 7Semi MMC5983MA 3-axis Mini Magnetometer Sensor Breakout Module is a high-precision magnetic sensor designed to measure magnetic fields along three axes with excellent accuracy and stability. It supports a magnetic field range of ±8 Gauss, delivering ultra-low noise and high-resolution output for reliable data. Communicating through a standard I2C interface, this magnetometer sensor ensures low power operation and fast response, making it ideal for navigation systems, orientation tracking, digital compasses, and magnetic anomaly detection. Its compact form factor allows seamless integration into space-constrained electronics, IoT devices, and embedded applications where precise magnetic sensing is essential. Features: Triple-Axis Magnetic Sensing provides great precision across three axes, with 0.4mG resolution and ±0.5° heading accuracy. High Dynamic Range and Resolution: ±8G FSR, 18-bit operation for precise measurements. Built-in Degaussing Circuitry: Effectively eliminates residual magnetization, ensuring consistent performance even when exposed to high external magnetic fields. Advanced Compensation Features: On-chip sensitivity and temperature compensation ensure consistent readings under changing situations. Fast I2C Communication: The I2C protocol has a fast mode of up to 400KHz, allowing for easy integration with other devices. The energy-efficient design consumes only 1µA during power down, making it excellent for power-sensitive applications. Compact form factor: A small PCB layout with a horizontal 4-pin 2mm pitch JST connection, ideal for space-constrained applications.

7Semi DC-DC Buck Converter 14V-60V Input to 5V 3A Output- AP66300 (BO-10189) The 7Semi DC-DC Buck Converter 14V–60V Input to 5V 3A Output – AP66300 (BO-10189) is a compact power module designed to convert high DC input voltages into a stable 5V output with up to 3A current. Its wide input range makes it suitable for applications that use automotive, industrial, or high-voltage power sources. Built on an efficient synchronous buck design, this converter delivers reliable power with low heat generation and minimal energy loss. It is well suited for powering microcontrollers, sensors, communication modules, and other embedded electronics. Whether you’re working on industrial systems, automation projects, or advanced DIY builds, this buck converter provides a dependable and efficient power solution. Features: Wide input range: accepts 14V to 60V DC sources Provides a stable 5V output at up to 3A High-efficiency buck converter design for low energy loss Compact breakout board for easy project use Built-in power protection for safer operation Ideal for automotive, industrial, and embedded electronics Supports powering microcontrollers, sensors, and communication modules Efficient solution for IoT, automation, and high-voltage systems

2-String 20A Lithium Battery Protection Module Balanced Version The 2-String 20A Lithium Battery Protection Module (Balanced Version) is a safety board designed to protect and manage 2-cell (2S) lithium battery packs used in 7.4V to 8.4V systems. It helps prevent overcharging, over-discharging, over-current, and short-circuit conditions, keeping your battery pack safe and extending its life. This balanced version also ensures both cells charge and discharge evenly, improving performance and longevity. This protection board supports up to 20A continuous current, making it suitable for small-to-medium power applications like portable electronics, DIY battery packs, e-bikes, scooters, and other battery-powered devices. Its compact design and easy wiring make it a practical choice for both hobbyists and experienced builders looking to add reliable protection to their lithium battery systems. Features: Designed for 2-cell (2S) lithium battery packs (7.4V / 8.4V) 20A continuous current support for stable performance Cell balancing function to maintain equal charge levels Protects against over-charge, over-discharge, over-current, and short circuit Helps extend battery life and improve safety Compact board size for easy integration into battery packs Suitable for DIY battery packs, power tools, and portable devices

SmartElex AM312 PIR Motion Sensor The SmartElex AM312 PIR Motion Sensor is a compact passive infrared sensor designed to detect human motion by sensing changes in infrared radiation. It helps automate systems by triggering actions only when movement is detected, making projects more energy efficient and responsive. This sensor is well suited for students, makers, engineers, educators, and startups who are working on electronics projects that require reliable motion detection in a small, low-power form factor. This PIR motion sensor is ideal for robotics, IoT devices, security systems, and automation projects, especially where battery-powered operation is important. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick integration into prototypes and functional systems. Common applications include motion-activated lighting, smart alarms, occupancy detection, and low-power IoT monitoring solutions, where stable performance and simple integration are essential. Features: Compact PIR sensor for reliable human motion detection Detects movement using changes in infrared radiation Ultra-low power consumption suitable for battery-powered projects Digital output for easy interfacing with microcontrollers Fast response time for real-time motion detection Compatible with Arduino, Raspberry Pi, ESP32, and similar boards

SCD40 I2C CO Temperature & Humidity Sensor Breakout Module - 7Semi The 7Semi SCD40 is a compact sensor breakout based on Sensirion’s advanced photoacoustic NDIR technology. It accurately measures CO concentration from 400 ppm to 40,000 ppm, along with ambient temperature and humidity. Ideal for air quality monitoring, HVAC systems, and IoT applications. It communicates over the I²C interface and is compatible with most microcontrollers. With low power consumption, long-term stability, and minimal recalibration requirements, the SCD40 is well-suited for portable and embedded systems requiring reliable environmental data. Features Photoacoustic CO Sensing: Uses advanced photoacoustic infrared technology for high-precision CO measurement. 3-in-1 Environmental Monitoring: Simultaneously tracks CO levels, temperature, and humidity for a complete atmospheric overview. Wide CO Detection Range: Measures concentrations from 400 ppm to 40,000 ppm, with optimal accuracy in the 400–2000 ppm range. High Accuracy: Offers a precision of ±(40 ppm + 5%), making it ideal for critical monitoring applications. Low Power Consumption: Consumes only 17 mA at 5s intervals and 0.5 mA at 5-minute intervals, perfect for battery-powered projects. Plug-and-Play Ready: Factory-calibrated and ready for immediate use—no manual calibration required. I2C Interface: Compatible with Arduino, Raspberry Pi, ESP32, STM32, and other popular microcontrollers via I2C. Compact Design: Small, robust module fits easily into embedded systems and space-limited enclosures. SCD40 carbon dioxide sensor Breakout I2C Arduino Connections