2 Inch Water Flow Sensor YF - DN50

48mm x 50 Meter Masking Tape Masking Tape is designed with a premium quality micron adhesive that can be easily removed with no residue left behind. Ideal for painting/designing walls, Holding, Bundling & Sealing by carpenter & other industrial use, No need to worry about cleaning up sticky spots after use on the surfaces or on items that you have labelled. This masking tape offers excellent surface protection when you're using 3D printer, at home or during a commercial project. It tears easily by hand and adheres quickly to a variety of surfaces. The adhesive is strong enough to ensure neat straight lines when painting but once finished can be removed effortlessly leaving no residue behind.

12V 10A PWM DC Motor Speed Controller The DC Motor Speed Controller allows controlling the direction of a DC motor using a Pulse-Width-Modulated (PWM) DC voltage with a Duty Cycle fully adjustable from 10%-100%. The 12 Volt DC Motor Speed Controller can provide a continuous current of 10A to your DC motor or other DC load. The circuit also includes a 10A fuse, with the reverse connection of the power supply and control voltage over-voltage protection function. This speed regulator uses a barrier terminal block as its wiring type. The output voltage is linear under load and features a control frequency of 13kHz. Note: This cannot be used for the brushless motor. The controller is not reverse-polarity protected and will be damaged if it connects the supply voltage with the wrong polarity. Features: Control the speed of a DC motor with this controller. High efficiency, high torque, low heat generating. With reverse polarity protection, high current protection. Control voltage over-voltage protection function The overload and short circuit protecting current is 10A Applications: Automotive: Controlling the speed of cooling fans, windshield wipers, and air conditioning systems. Industrial Automation: Managing the speed of conveyor belts, exhaust fans, and other motor-driven machinery. Home Appliances: Adjusting the speed of fans, pumps, and other household devices. Treadmills: Regulating the speed of the treadmill belt for different workout intensities. Robotics: Providing precise speed control for DC motors in robotic projects. DIY Projects: Ideal for custom electronics projects requiring variable motor speed control

CNC Shield + UNO R3 Board compatible with Arduino + 4xDRV8825 Driver Kit Arduino Uno is an open-source microcontroller used by students and hobbyists entering the world of DIY electronics and automation, The Arduino Uno can be used for any application including being the brains of your next DIY 3D printer and/or CNC router The CNC Shield V3.0 allows you to build an engraving machine, 3D printer, mini CNC and other similar devices using your Arduino. It is designed as a shield and can plug on top of an Arduino requiring no external connections and wiring. Along with that, the CNC shield allows you to control up to four stepper motors by mounting on 4 stepper motor drivers, included with this kit The DRV8825 provides an integrated motor driver solution for printers, scanners, and other automated equipment. The device has two H-bridge and is intended to drive a bipolar stepper motor. Features: UNO R3 Board: The main microcontroller board compatible with Arduino. CNC Shield: An expansion board that allows for easy connection and control of stepper motors. 4x DRV8825 Stepper Motor Drivers: High-performance drivers for controlling stepper motors. Micro-Stepping: Supports micro-stepping settings for precise control of stepper motors. GRBL Compatibility: Compatible with GRBL firmware, which is widely used for CNC control. Voltage Range: Operates on 12-36V DC. Heat Sinks: Included for cooling the stepper motor drivers. USB Cable: For connecting the UNO R3 board to a computer. 40-Pin Row Needles: For additional connections. Applications: CNC Machines: Used for controlling stepper motors in CNC milling, engraving, and cutting machines. 3D Printers: Essential for driving stepper motors in 3D printers, ensuring precise layer deposition and movement. Laser Cutters: Controls stepper motors in laser cutting machines for accurate cutting and engraving. Robotics: Ideal for robotics projects requiring precise motor control, such as robotic arms and automated guided vehicles (AGVs). X-Y Tables: Used in X-Y tables for accurate positioning and movement in various industrial applications. Pick-and-Place Devices: Employed in pick-and-place machines for accurate component placement in electronics manufacturing. Labeling Machines: Used in labeling machines for precise label application. Pinout Diagram for the Arduino Uno Microcontroller Applications of the Kit The kit can be used to create custom 3D printers, scanner, CNC mills and other automated equipment applications

SmartElex BS312 PIR Motion Sensor The SmartElex BS312 PIR Motion Sensor is a compact passive infrared sensor designed to detect human motion by sensing changes in infrared radiation. It helps systems respond only when movement is present, reducing unnecessary power usage and improving efficiency. This sensor is suitable for students, makers, engineers, educators, and startups who are building 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 those that run on batteries or need low standby power consumption. It can be easily interfaced with popular platforms such as Arduino, Raspberry Pi, and ESP32, making integration quick and straightforward. Common use cases include motion-activated lighting, smart alarms, occupancy detection, and compact IoT monitoring solutions where dependable performance and simple integration are essential. Features: Compact PIR sensor for accurate human motion detection Detects movement using passive infrared technology Low power consumption ideal 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

SmartElex VL53L5CX ToF Image Sensor The SmartElex VL53L5CX ToF Image Sensor is a compact, high-performance ToF Image Sensor designed for precise short-range distance sensing and spatial awareness. Based on ST’s advanced VL53L5CX chipset, this 64 pixel Time-of-Flight (ToF) 4 meter ranging sensor combines a SPAD array, infrared filters, and diffractive optical elements (DOE) to deliver consistent and accurate ranging even under challenging ambient lighting and different cover glass materials. It supports multizone distance measurements up to 4000 mm across all 64 zones with a wide 63° field-of-view, operating at up to 15 Hz. ST’s patented histogram algorithms enable reliable detection of multiple objects within the FoV while minimizing crosstalk beyond 60 cm. This short range ToF sensor is ideal for applications like 3D room mapping, robotics obstacle detection, gesture recognition, IoT systems, laser-assisted autofocus, and AR/VR enhancements. Note: The VL53L5CX is unique in that it requires firmware to be loaded via the I2C bus at power-on. Because this firmware is ~90k bytes, we recommend a microcontroller with enough storage to hold both the VL53L5CX firmware and your program code. Features: Model: VL53L5CX. Multizone ranging output with 4x4 or 8x8 independent zones. Up to 400 cm range 60 Hz frame rate capabilities. Operating voltage: 3.3 volts. I2C Address: 0x52. Emitter: 940 nm invisible light vertical cavity surface emitting laser (VCSEL), with integrated analog driver. Using diffractive optical elements (DOE) on both transmitter and receiver, the field of view is 63 degrees diagonally square.

Anycubic Kobra 3 Max 3D Printer – EU power plug The Anycubic Kobra 3 Max 3D Printer – EU power plug is a high-performance large-format FDM 3D printer designed for fast, precise, and large-scale printing. With an expansive build volume, it allows users to create bigger models or multiple parts in a single print, making it ideal for professional prototyping, product design, and advanced DIY projects. Equipped with high-speed printing capabilities and intelligent automation features, it delivers consistent results with minimal manual intervention. Models Created Built for efficiency and ease of use, the printer features advanced auto bed leveling technology for perfect first layers, a stable dual-axis motion system for reduced vibrations, and a high-temperature hotend compatible with a wide range of filaments. The EU power plug ensures compatibility with standard 220–240V power systems. Whether for industrial use, educational labs, or creative projects, this 3D printer offers reliable performance and excellent print quality. 420*420*500mm Print Volume The massive 420 × 420 × 500 mm print volume of the Anycubic Kobra 3 Max enables users to create large-scale models in a single print without the need to split designs into multiple parts. This expansive build area is ideal for producing full-sized prototypes, architectural models, and functional components with greater efficiency and precision. It significantly reduces assembly time and improves structural strength since parts can be printed as one complete piece. Printing Speed Up to 600mm/s With a printing speed of up to 600 mm/s, the Anycubic Kobra 3 Max is designed to deliver rapid production without compromising on print quality. This high-speed capability significantly reduces overall printing time, allowing users to complete large models and batch prints much faster than traditional 3D printers. It is especially beneficial for professionals and businesses that require quick prototyping and efficient workflow. Despite the speed, the printer maintains stability and precision through its advanced motion system, ensuring clean layers and accurate results. Precise Auto-Leveling & Motor Anti-skip The printer features an advanced auto-leveling system that ensures the print bed is perfectly calibrated before every print, eliminating the need for manual adjustments and reducing setup time. This precise leveling improves first-layer adhesion, which is crucial for achieving high-quality and successful prints. In addition, the motor anti-skip mechanism enhances movement accuracy by preventing step loss during high-speed operations. This results in smoother motion, better layer consistency, and reduced chances of print failure. Extremely Easy to Use The printer is designed with user convenience in mind, making it extremely easy to use for both beginners and experienced users. Its intuitive interface and guided setup process allow you to get started quickly without any technical complexity. Features like automatic bed leveling and pre-configured settings reduce manual effort and minimize errors during printing. The streamlined design ensures smooth operation, while simple controls make monitoring and adjusting prints hassle-free. Features: Massive build volume for large-scale 3D printing High-speed printing capability for improved productivity Intelligent auto bed leveling system for perfect first layers High-temperature hotend supporting multiple materials Dual motor-driven axis for enhanced stability and accuracy User-friendly interface for easy operation Compatible with popular slicing software Durable and rigid frame for consistent performance Suitable for prototyping, manufacturing, and creative projects

1500V USB To USB Isolator Module ADUM4160 & 3160 - Optical Isolation Board for USB Protection The USB to USB Isolator Module is designed to protect your devices and computer from electrical noise, ground loops, and voltage spikes. Featuring optical isolation technology, this module ensures safe communication between USB interfaces by isolating the data and power lines. It supports both low-speed (1.5 Mbps) and full-speed (12 Mbps) USB communication, making it suitable for a variety of microcontroller programmers, USB test instruments, HID devices, and data-acquisition tools. With an isolation voltage of up to 3000V and a built-in 1500V isolated power module, this board offers robust electrical protection in demanding environments. It is plug-and-play, powered directly from the host USB port, and requires no additional drivers. Ideal for labs, embedded systems, industrial environments, and DIY electronics, the ADUM3160 isolator helps ensure stable signal integrity and protects both the host system and connected equipment. Features: Provides strong electrical isolation using ADUM3160/ADUM4160 to protect USB devices from noise, surges, and ground loops. Supports USB 1.5 Mbps low-speed and 12 Mbps full-speed communication for wide compatibility. Built-in 1500V isolated power module and 3000V data isolation capability for enhanced safety. Compatible with many programmers and USB devices such as FT232, CH341, J-Link, PICKIT2, card readers, cameras, and more. Plug-and-play design powered directly from the host USB port—no external drivers required. Designed to operate in a wide temperature range from -40°C to 85°C, suitable for lab and industrial use. Compact PCB for easy integration into workbenches, test setups, and embedded development 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.

SmartElex Soil Moisture Sensor The SmartElex Soil Moisture Sensor is a simple and efficient sensor module designed to measure the moisture content in soil for gardening, farming, and automation projects. It helps users detect water levels in soil and determine when plants need watering, making it ideal for students, hobbyists, educators, and engineers building smart irrigation or environmental monitoring systems. This soil moisture sensor module offers an easy way to collect data without complex circuit design, providing reliable readings for learning and experimentation. This sensor is commonly used in IoT farming projects, home gardening automation, greenhouse monitoring, and prototype irrigation setups where data-driven watering is required. It works smoothly with Arduino, Raspberry Pi, ESP32, and similar development boards, making integration and testing quick and beginner-friendly. With consistent performance and a user-friendly interface, the SmartElex Soil Moisture Sensor is a practical choice for DIY electronics, academic projects, and early-stage product development focused on smart agriculture and plant care solutions. Features: Measures soil moisture level for plant and irrigation monitoring Simple analog output for easy data reading and interpretation Works smoothly with Arduino, Raspberry Pi, and ESP32 boards Ideal for smart irrigation, gardening, and IoT-based agriculture Beginner-friendly design for quick setup and testing Suitable for DIY projects, classrooms, and agricultural prototypes

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 DC-DC Buck Converter 5V 3A Out - MP2338 (BO-10182) The 7Semi DC-DC Buck Converter 5V 3A Out – MP2338 (BO-10182) is a compact power module designed to step down higher DC voltages to a stable 5V output with up to 3A current. It provides reliable and efficient power for electronics that require a steady 5V supply, such as microcontrollers, sensors, and development boards. Built around the MP2338 step-down converter, this module offers high efficiency and stable performance while minimizing heat and power loss. It supports a wide input voltage range and includes built-in protection features for safe operation. Whether you’re working on embedded systems, IoT devices, or custom electronics projects, this buck converter makes power management simple and dependable. Features: Boosts power efficiency with a high-performance MP2338 buck converter Provides a stable 5V output at up to 3A for reliable powering Wide input voltage range, compatible with various DC sources Compact breakout module for easy PCB or project integration Built-in protection features for safe and stable operation Ideal for microcontrollers, sensors, IoT boards, and embedded 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 DS18B20 2M Cable Waterproof Digital Temperature Probe The 7Semi DS18B20 2M Cable Waterproof Digital Temperature Probe is built for anyone who needs precise and stable temperature monitoring in challenging environments. With its stainless-steel sealed casing and durable 2-meter cable, this sensor delivers highly accurate readings, even when fully submerged or installed in remote locations. Whether you're monitoring aquaponics systems, greenhouse conditions, or industrial temperature processes, this digital probe ensures you get consistent and reliable data every single time. Designed with a simple 1-Wire digital interface, the DS18B20 works seamlessly with Arduino, Raspberry Pi, ESP boards, and other microcontrollers, making it ideal for hobbyists, engineers, and automation enthusiasts. Its long cable, waterproof build, and wide temperature range make it a versatile choice for environmental monitoring and precision-driven applications where stability and robustness matter the most. Features: Measures temperatures from –55°C to +125°C, making it suitable for industrial, environmental, and underwater applications. Provides ±0.5°C accuracy, ensuring stable and trustworthy readings. Fully waterproof stainless-steel enclosure protects against moisture, corrosion, and rugged terrain. Comes with a 2-meter high-strength cable to support remote, underwater, or difficult-to-access installations. Supports 9–12 bit resolution and easily integrates using its 3-wire connection and 1-Wire digital protocol.

7Semi Vikram-3025 High-Power 25A DC Motor Driver for 6–30V Motors The 7Semi Vikram-3025 is a heavy-duty single-channel DC motor driver built for demanding robotics, automation, and mechatronics projects. Designed to handle 25A continuous load with a 6V–30V operating range, it uses a high-efficiency discrete NMOS H-Bridge that eliminates the need for bulky heat sinks. Whether you're powering high-torque DC motors or creating reliable industrial controls, this driver ensures stable, smooth, and responsive performance. With built-in safety features like overcurrent protection, temperature protection, and undervoltage shutdown, your system stays secure even under heavy loads. This motor driver goes beyond basic control, it includes onboard test buttons, motor output LEDs, and a regulated 5V output for powering microcontrollers, making prototyping extremely convenient. It supports PWM/DIR control signals from a wide range of logic voltages (1.8V to 30V), ensuring compatibility with Arduino, Raspberry Pi, PLCs, and other controllers. It also offers manual control options using a potentiometer and switch, giving both beginners and advanced users flexible control in real-world applications. This makes it a dependable choice for custom robotics, high-power motor control, and automation systems. Features: Provides smooth and reliable bidirectional control for single brushed DC motors. Supports a wide operating voltage range from 6V to 30V for flexible motor compatibility. Handles a continuous motor current of 25A, ideal for high-load or high-torque applications. Includes an onboard 5V regulated output (250mA) to power a microcontroller without an external supply. Onboard test buttons and motor state LEDs allow quick, controller-free testing during prototyping. Offers dual input modes: PWM/DIR for digital control or potentiometer/switch for manual operation. Compatible with 1.8V, 3.3V, 5V, 12V, and 24V logic, making it suitable for Arduino, Raspberry Pi, PLCs, and more. Supports PWM input frequency up to 40kHz with a fixed 16kHz output for quiet motor operation. Built-in protections include active current limiting, overcurrent protection, temperature protection, and undervoltage shutdown.

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