DFRobot A02YYUW Waterproof Ultrasonic Distance Sensor - 3-450cm Detecting Range

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

7Semi BME688 Environmental Sensor Breakout with Gas, Temperature, Humidity & Pressure Monitoring The 7Semi BME688 Environmental Sensor Breakout is a next-generation module designed for creators, engineers, and researchers looking to capture highly accurate environmental data in one compact board. Built using Bosch Sensortec’s advanced technology, it measures temperature, humidity, barometric pressure, and a wide range of gases - including VOCs, VSCs, CO, and hydrogen. With AI-enabled gas scanning, this sensor offers unmatched flexibility and precision, making it ideal for air quality monitoring, IoT devices, and smart home automation. This tiny board brings premium reliability, fast response times, and long-term stability to any embedded setup. Thanks to support for both I2C and SPI interfaces, the BME688 integrates easily with platforms like Arduino, ESP32, and Raspberry Pi. Whether you’re building an indoor air quality tracker, creating a wearable environmental sensor, or developing research-grade monitoring equipment, this module delivers the depth of data you need. With intelligent gas detection powered by machine learning and a wide operating range, the BME688 excels in environmental sensing, embedded electronics, and modern IoT applications without adding bulk or complexity. Features: Delivers 4-in-1 sensing capabilities with precise measurement of temperature, humidity, atmospheric pressure, and multiple gases in a single compact module. Features AI-enabled gas scanning that detects VOCs, VSCs, carbon monoxide, hydrogen, and other gases using machine-learning-based profiling. Provides high accuracy, low drift, and rapid response speeds for dependable long-term environmental monitoring. Offers flexible integration with both I2C and SPI interfaces for seamless compatibility across microcontrollers and embedded systems. Compact, lightweight design makes it suitable for portable devices, IoT deployments, smart home systems, and environmental research setups. Allows custom tuning of sampling rates, power consumption, and gas sensitivity for specialised applications. Backed by Bosch Sensortec’s reputation for durability, ensuring stability and reliable performance in continuous operation. BME688 4-in-1 Air Quality Sensor Breakout Dimensions: BME688 4-in-1 Air Quality Sensor Breakout Pinouts:

SmartElex Micro ISM330DHCX 6DoF IMU Sensor The SmartElex Micro ISM330DHCX 6DoF IMU Sensor is a compact motion-sensing module that combines an accelerometer and gyroscope to measure movement, orientation, and rotation. It helps users track motion data accurately in three-dimensional space, making it useful for students, hobbyists, engineers, and educators working on robotics, automation, and motion-based electronics. This IMU breakout board simplifies motion tracking in projects where stability, responsiveness, and precision are important, without requiring complex circuit design or calibration setups. This 6DoF IMU sensor is commonly used in self-balancing robots, gesture-controlled systems, IoT wearables, drones, and embedded automation projects that rely on movement or orientation feedback. It integrates smoothly with popular development platforms like Arduino, Raspberry Pi, and ESP32, making setup and data processing beginner-friendly and efficient. With dependable performance and straightforward compatibility, the SmartElex Micro ISM330DHCX is a practical choice for prototyping, academic learning, and product development where reliable motion tracking and sensor fusion are essential. Features: 6DoF IMU with built-in accelerometer and gyroscope for motion tracking Measures linear acceleration and rotational movement in real time Compact breakout board designed for easy integration in projects Compatible with Arduino, Raspberry Pi, ESP32, and similar platforms Ideal for robotics, drones, wearables, and gesture-based control systems Reliable module for prototyping, STEM learning, and embedded development

7Semi BMP585 I2C Pressure Sensor Breakout Module The 7Semi BMP585 I2C Pressure Sensor Breakout Module is a high-precision sensor designed to measure atmospheric pressure with exceptional accuracy, covering a range of 300–1250 hPa. This BMP585 Pressure Sensor combines low power consumption with compact design, making it perfect for mobile devices, battery-powered systems, and IoT projects. With both I2C and SPI interface support, it can be easily integrated into various electronics projects, enabling applications such as altimetry, weather monitoring, indoor navigation, and environmental sensing. Its reliable performance ensures accurate readings in real-time, making it an essential component for makers and engineers seeking precise pressure measurement. Features: Exceptional pressure sensing resolution at 1/64 Pa and accuracy of ±0.5 hPa provide highly precise data. Wide Pressure and Temperature Range: Measures pressure from 30 to 125 kPa and temperature from -40°C to 85°C, ensuring versatility in a variety of applications. Flexible Data Communication: Compatible with both I2C (up to 1MHz) and SPI (up to 12MHz) protocols, allowing enabling easy integration into a variety of systems. Programmable features include variable oversampling, a FIFO buffer (stores up to 32 samples), low-pass filtering, and 6 bytes of user-programmable non-volatile memory. Energy-Efficient Operation: Provides five operational modes with minimal power usage (1.5µA in Deep Standby and 260µA peak during measurements). Compact Design: A small breakout board with pin spacing of 0.1" allows for simple soldering and connecting.

7Semi MCP4728 Quad DAC Module The 7Semi MCP4728 Quad DAC Module is a compact and reliable DAC module designed to convert digital signals into precise analog voltage outputs. Based on the MCP4728 IC, this digital-to-analog converter breakout board allows users to generate up to four independent analog outputs using simple I²C communication, making it an efficient solution for applications where microcontrollers lack sufficient analog output pins or require higher accuracy. This module offers easy integration with popular microcontrollers, stable performance, and flexible voltage output control, making it ideal for signal generation, sensor simulation, audio control, and calibration tasks. With its user-friendly design and dependable operation, it is well suited for students learning embedded systems, hobbyists building DIY electronics, and professionals developing prototypes or compact analog control systems. Features: Powered by the Microchip MCP4728 Quad DAC IC 12-bit resolution on all four DAC output channels (A–D) Onboard non-volatile EEPROM retains DAC settings after power-off I²C interface with Fast Mode support up to 400 kHz Low-power operation, ideal for battery-powered projects Compact 7Semi breakout with clearly labeled pinouts Supports LDAC and RDY pins for real-time DAC updates and monitoring Applications: Signal generation (sine, square, and triangle waveforms) Audio voltage control for synthesizers and mixers Programmable and adjustable reference voltage sources Lab instruments, testing, and control systems Industrial automation and process control applications Multi-channel analog and neural interface testing

7Semi EC200G-CN LTE Cat 1 4G GNSS Industrial Modem The 7Semi EC200G-CN LTE Cat 1 4G GNSS Mini Industrial Modem is designed for applications where reliable connectivity and accurate positioning matter the most. Built around the Quectel EC200G-CN module, it brings together stable LTE Cat 1 communication, multi-GNSS support, and flexible interfacing in a compact industrial-ready form. With USB-C and UART interfaces, it integrates seamlessly with embedded systems, PCs, industrial controllers, and IoT gateways, making it ideal for real-time data acquisition and cloud-based applications. Engineered for field-grade performance, this modem includes a nano-SIM slot, external wide-range 5–26 V power input, and a high-efficiency FPC antenna with IPEX for strong and stable signal reception. Whether you’re building smart metering systems, industrial automation setups, or vehicle tracking solutions, this LTE Cat 1 GNSS modem ensures dependable communication, consistent GPS accuracy, and effortless deployment across diverse IoT environments. Features: LTE Cat 1 connectivity powered by the Quectel EC200G-CN module for stable and efficient cellular communication. Dual communication interfaces with USB-C and UART, allowing flexible integration with microcontrollers, edge devices, and computers. Wide input voltage support (5–26 V) for reliable operation in industrial and field deployments. Multi-GNSS system support including GPS, GLONASS, BeiDou, Galileo, and QZSS for precise and continuous location tracking. High-efficiency FPC antenna with IPEX (u.FL) connector ensures strong cellular and GNSS signal reception. Nano-SIM slot enabling immediate network access for IoT, telemetry, and monitoring systems. Compact, rugged, and installation-friendly design suitable for demanding environments and professional applications. Pinout Diagram:

7Semi SGP40 VOC Sensor Breakout for Indoor Air Quality 2.54mm Pitch (ES-12201) The 7Semi SGP40 VOC Sensor Breakout for Indoor Air Quality (ES-12201) is a compact sensor module designed to monitor indoor air quality by detecting volatile organic compounds (VOCs). It uses the reliable Sensirion SGP40 sensor, which helps track changes in air quality and provides useful data for healthier indoor environments. This breakout board features a standard I2C interface and 2.54 mm pitch pins, making it easy to connect with popular microcontrollers like Arduino, ESP32, and Raspberry Pi. Operating at low power and designed for simple integration, it is ideal for air quality monitors, smart home devices, and indoor environmental sensing projects. Features: Uses the Sensirion SGP40 sensor for reliable VOC detection Measures volatile organic compounds (VOCs) to assess indoor air quality I2C digital interface for easy connection with microcontrollers Standard 2.54 mm pitch pins for breadboard and prototyping use Low-power operation suitable for battery-powered and IoT projects Works with Arduino, ESP32, Raspberry Pi, and other development boards

BNO085 9-DOF Orientation IMU Sensor Fusion Nano Breakout Board The BNO085 9-DOF Orientation IMU Sensor Fusion Nano Breakout Board is a powerful and compact motion-sensing solution designed for precise orientation and movement tracking. This BNO085 IMU Sensor combines a 3-axis accelerometer, gyroscope, and magnetometer with an advanced onboard sensor fusion engine that processes raw data into accurate orientation outputs in real time. By handling sensor fusion internally, it reduces processing load on the host microcontroller while delivering reliable heading, rotation, and motion data. With support for I2C and SPI interfaces, the board integrates easily into robotics, VR/AR devices, drones, and IoT systems that demand responsive and accurate motion feedback. Features: Advanced Sensor Fusion: 9-axis integration provides exact data outputs such as acceleration, angular velocity, and magnetic field strength. Low Power use: The ARM Cortex M0+ processor has been optimized for efficient energy use in portable devices. Versatile Compatibility: Backward compatible with BNO080, providing increased dependability through SPI compatibility fixes. Comprehensive Data Reporting: Supports a wide range of calibrated, uncalibrated, and raw data reporting. Enhanced Detection and Classification: Includes stability detection, motion detection, activity classification, and unique AR/VR rotation vectors. Developer-Friendly Interface: I2C interface allows for easy integration with numerous device designs.

SmartElex Atmospheric Sensor Breakout – BME280 Temperature, Humidity & Pressure Sensor Module The SmartElex Atmospheric Sensor Breakout is a compact and reliable module designed to measure temperature, humidity, and air pressure with high accuracy. Built around the powerful BME280 sensor, this 3-in-1 sensor module makes it easy to monitor environmental conditions in real time. Perfect for weather stations, IoT systems, and smart home devices, this environmental sensor breakout delivers precise readings while consuming very little power. It supports both I2C and SPI communication interfaces, making it simple to connect with popular boards like Arduino, ESP32, or Raspberry Pi. Whether you’re building an automation project or a DIY weather monitor, this temperature, humidity, and pressure sensor breakout provides reliable performance and easy integration. It’s a great choice for makers, students, and developers who want accurate environmental data in a small and efficient module. Features: 3-in-1 Environmental Sensor: Accurately measures temperature, humidity, and barometric pressure using the BME280 sensor. High Precision Readings: Provides stable and accurate data for weather monitoring and environmental analysis. I2C & SPI Compatible: This I2C SPI environmental sensor module easily interfaces with Arduino, ESP32, Raspberry Pi, and other microcontrollers. Compact Design: Small and lightweight, making it perfect for embedded systems, IoT devices, and portable applications. Low Power Consumption: Efficient sensor design ensures reliable long-term use in battery-powered projects. Easy to Integrate: Ideal for beginners and professionals working on DIY weather stations, home automation, or environmental monitoring systems.

7Semi SHT40 Temperature & Humidity Sensor Breakout Board with 1.27mm Pitch The 7Semi SHT40 Temperature and Humidity Sensor Breakout is a compact, precision-engineered module built for applications where accurate environmental monitoring and ultra-low power consumption are crucial. Powered by Sensirion’s fourth-generation SHT40 sensor, it delivers highly reliable 16-bit temperature and humidity data while operating at just 3.3V. With its exceptionally low energy usage, fast response time, and robust ±1.8% RH and ±0.2°C accuracy, it’s an ideal upgrade for modern IoT, wearable, and battery-powered designs that demand consistent and stable performance. Designed for effortless integration, the board features a 1.27 mm pitch, a 4-pin header, and a versatile I2C interface with multiple address options, making it simple to deploy across embedded systems, development platforms, and prototype setups. Whether you're building smart home automation, industrial monitoring, or IoT environmental sensing projects, this SHT40 breakout ensures dependable, long-term operation even in demanding ambient conditions, helping engineers and makers achieve more accurate and energy-efficient data processing. Features: The SHT40 sensor delivers high-precision readings with ±1.8% RH humidity accuracy and ±0.2°C temperature accuracy for trustworthy environmental data. Designed for low-power applications, operating at under 0.15mA in low-power mode for extended battery life. Compact breakout board with a 1.27 mm pitch 4-pin header, making it ideal for tight-space electronic designs and fast prototyping. Provides a reliable I2C communication interface with multiple preconfigured addresses for easy use in multi-sensor networks. Efficient 3.3V operation ensures stable performance across microcontroller and IoT platforms. Fast response time of 8 seconds for real-time temperature and humidity tracking. Suitable for smart homes, industrial automation, IoT environmental nodes, air quality systems, and intelligent building applications.

SmartElex RLS05 Line Follower Sensor The SmartElex RLS05 Line Follower Sensor is a compact and easy-to-use module designed to help robots detect and follow lines on a surface with accuracy. It is ideal for students, makers, educators, and early-stage engineers who are learning robotics or building simple autonomous systems. The sensor simplifies line detection by clearly identifying path contrasts, making it easier to develop reliable line-following behavior without complex circuit design. This sensor is widely used in line follower robots, educational robotics kits, and automation prototypes where precise path tracking is required. It integrates smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick setup and experimentation. With dependable performance and straightforward interfacing, the SmartElex RLS05 enables users to focus on coding logic and robot movement, making it well suited for classrooms, labs, competitions, and DIY robotics projects in India. Pin Diagram: How to Calibrate SmartElex RLS05 Line Follower Sensor Step 1: Enter Calibration Mode Press the calibration button once or pull the CAL pin low for a few milliseconds. When three LEDs (D0, D2, and D4) turn ON, the module has entered calibration mode. Step 2: White Surface Reading Place the RLS05 module on a white surface and press the calibration button again. When two LEDs (D3 and D4) turn ON, the white surface values are read and saved in EEPROM. Step 3: Black Surface Reading Place the module on a black surface and press the calibration button once more. When three LEDs (D2, D3, and D4) turn ON, the black surface values are read and stored. Step 4: Select Line Following Mode To enable white line following, press the calibration button three times within one second. LEDs (D2, D3, and D4) will blink to confirm selection. To enable black line following, press the calibration button twice. LEDs (D0, D1, and D2) will blink to confirm the mode selection. Features: Five-channel line detection for accurate and stable line following Supports both black line and white line tracking modes One-time calibration with onboard EEPROM memory Easy calibration using onboard push button or CAL pin Compatible with Arduino, Raspberry Pi, and ESP32 platforms Ideal for robotics projects, educational kits, and automation prototypes

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

SmartElex LHI778 PIR Motion Sensor Module The SmartElex LHI778 PIR Motion Sensor Module is a passive infrared motion detection solution designed to sense human movement by detecting changes in infrared radiation. It helps solve the problem of automatic motion detection without continuous monitoring, making systems more energy efficient and responsive. This module is suitable for students, makers, engineers, educators, and startups working on electronics projects that require reliable motion sensing for control, security, or automation purposes. This PIR motion sensor module is widely used in robotics, IoT devices, security systems, and home or industrial automation projects where movement detection is required. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick integration into prototypes and functional systems. The simple interface and consistent performance make it ideal for applications like motion-activated lighting, intrusion detection, smart alarms, and interactive electronic projects. Features: Passive infrared (PIR) sensor for reliable human motion detection Detects movement by sensing changes in infrared radiation Low power operation suitable for battery-powered projects Digital output for easy interfacing with microcontrollers Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Ideal for security systems, automation, and motion-activated applications