5 in 1 Sensor Kit for Arduino

Official Raspberry Pi 4 Model B 4GB RAM The Raspberry Pi 4 Model B 4GB is a compact and versatile single-board computer that provides desktop-level performance in a credit card-sized device. The RPI 4B is powered by a Broadcom Quad-Core Cortex-A72 (ARM v8) 64-bit SoC that runs at 1.5GHz and has 4GB of LPDDR4-3200 SDRAM for efficient multitasking and basic desktop programs. This device is designed for a wide range of DIY projects, including media centres, file servers, robotics, and smart home systems. The Raspberry Pi 4B 4GB supports dual 4K displays ( 4K@30Hz ) through its micro-HDMI ports, making it perfect for high-definition video and creative endeavours. It has dual-band WiFi 2.4 GHz and 5.0 GHz IEEE 802.11ac , Bluetooth 5.0 , and Gigabit Ethernet for a consistent connection. It also features two USB 3.0 connections and two USB 2.0 ports to connect devices. The Raspberry Pi 4 4GB is popular among programmers and makers. It comes with native Python support , making it a fantastic platform for coding education and automation project development. It is capable of running both 32-bit and 64-bit operating systems , offering versatility for different uses. Whether for teaching, prototyping, or creative projects, it serves as a potent and affordable computing option. Shop Raspberry Pi 4 4GB Full Kit – Plug & Play Setup Affordable power for your projects – Raspberry Pi 4 2GB ! What makes this model Great? The speed and performance of the new Raspberry Pi 4 4GB are a noticeable improvement from earlier models. For the first time, the Raspberry Pi Foundation has created a complete desktop experience. Whether you're editing documents, browsing the web with multiple tabs open, managing spreadsheets, or creating a presentation, you'll find the experience smooth and familiar. It is a more energy-efficient and cost-effective machine. Features Broadcom 2711 Quad-Core Cortex A72 @ 1.5GHz delivers 20% faster performance with improved power and thermal efficiency. Dual micro-HDMI outputs support dual 4K displays with hardware video decode at 4Kp60 (H.265, H.264, MPEG-4). Dual-band WiFi (802.11b/g/n/ac) on 2.4GHz & 5GHz with advanced PCB antenna for robust wireless connectivity. Bluetooth 5.0 offers an extended range of wireless peripherals. Upgraded USB 3.0 Ethernet provides wired speeds up to 10x faster than previous models. 2 USB 3.0 and 2 USB 2.0 ports enable versatile peripheral connections. 40-pin GPIO header is fully backwards-compatible with earlier Pi models. Optional PoE support is available, with PoE header pins designed to work with proper standoffs. Comparison Table Raspberry Pi 4 Model B Raspberry Pi 5 Raspberry Pi 3 Model B+ Price (INR) ?3599 VIEW ?5129 VIEW ?3649 VIEW Processor 1.5GHz Quad-Core ARM Cortex-A72 2.4GHz Quad-Core ARM Cortex-A76 1.4GHz Quad-Core ARM Cortex-A53 RAM 1GB, 2GB, 4GB, 8GB LPDDR4 2GB, 4GB, 8GB, 16GB LPDDR4 1GB LPDDR2 Wi-Fi Dual-band 802.11ac Dual-band 802.11ac Dual-band 802.11ac Bluetooth 5.0 5.0 4.2 USB Ports 2× USB 3.0, 2× USB 2.0 2× USB 3.0, 1× USB 2.0 4× USB 2.0 Ethernet Gigabit Ethernet Gigabit Ethernet Gigabit Ethernet Video Output 2× Micro HDMI (4Kp60) 2× Micro HDMI (4Kp60) 1× HDMI (1080p) GPIO Pins 40 40 40 Storage MicroSD (SDXC up to 2TB) MicroSD (SDXC up to 2TB) MicroSD (SDHC) Power Supply USB-C USB-C Micro USB Click for Complete Raspberry Pi Kits – Learn, Build, and Innovate! Pin Diagram:

7Semi BME688 Environmental Sensor Probe with Gas, Pressure, Temperature & Humidity Sensor The 7Semi BME688 Environmental Sensor Probe is a compact, AI-enabled environmental monitoring solution designed for precise measurements of temperature, humidity, barometric pressure, and gas levels. Built using the advanced Bosch BME688 sensor, it provides highly accurate, real-time environmental data that supports air quality monitoring, research applications, industrial automation, and smart home systems. Housed in a durable plastic shell, the probe ensures long-term stability while maintaining excellent breathability necessary for accurate gas sensing. This versatile environmental probe uses an I2C digital interface for easy integration with microcontrollers and embedded systems, making it suitable for both portable and fixed installations. With a wide operating range and low power consumption, it delivers stable performance even in harsh or fluctuating environments. AI-powered gas sensing adds advanced analytical capabilities such as IAQ scoring, VOC detection, CO₂-equivalent estimation, and bVOC outputs, making this probe a powerful tool for environmental diagnostics and air-quality-driven automation. Features: Provides simultaneous measurement of temperature, humidity, pressure, and gas concentration, enabling complete environmental assessment in a single compact device. AI-powered gas sensing detects VOCs, CO₂-equivalents, and various gases at ppb-level sensitivity for accurate indoor air quality monitoring. Durable plastic enclosure offers strong resistance to corrosion, dust, and temperature variations while maintaining high permeability for reliable sensing. Wide operational range ensures dependable performance from -40 to 85°C and 0–100% RH, suitable for both indoor and outdoor monitoring environments. Low power design supports battery-operated systems, making it ideal for portable, energy-efficient projects. Mini Round Shell (MRS) connector with a 1m cable provides secure and professional-grade installation flexibility. I2C digital communication interface simplifies integration with embedded systems and common microcontrollers. NIST-traceable factory calibration guarantees accuracy for industrial, regulatory, and research applications. Delivers advanced analytical outputs including IAQ, bVOC, CO₂-equivalent, gas intensity, gas scan, and air quality indexes. Humidity Sensors Pins: Digital Humidity and Temperature Sensor Probe I2C Interfacing with MCU:

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

SmartElex 12V 3A Single Channel Signal Relay Module The SmartElex 12V 3A Single Channel Signal Relay Module is a compact and reliable solution for switching electrical loads using low-power control signals. It allows users to safely control higher-voltage or higher-current devices without direct electrical contact, making it ideal for protecting sensitive control circuits. This module is suitable for students, makers, engineers, educators, and startups who are working on embedded systems, control projects, or automation prototypes that require dependable on-off switching. This single channel relay module is well suited for robotics, IoT systems, home and industrial automation, and general prototyping applications. It can be easily interfaced with popular platforms such as Arduino, Raspberry Pi, and ESP32 to control lights, motors, solenoids, alarms, or other external devices. The simple interface and consistent performance make it easy to integrate into both experimental setups and final products, helping users build reliable control systems with minimal effort. Features: Single channel relay module for switching external loads using low-power control signals Operates on 12V, suitable for industrial and automation environments Supports up to 3A load current for controlling common electrical devices Electrical isolation between control side and load side for added safety Compatible with Arduino, Raspberry Pi, ESP32, and other microcontrollers Compact and easy-to-integrate design for projects and prototyping

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.

25 x 3mm Neodymium Disc Circular Magnet This 25mm x 3mm Neodymium Disc Magnet is a high-strength rare earth magnet designed for projects that require maximum magnetic force in a compact size. Made from premium NdFeB neodymium alloy, this disc magnet delivers exceptional holding power, making it ideal for DIY crafts, industrial applications, science experiments, home repairs, and various electronic uses. With a durable Ni-Cu-Ni triple coating, it offers corrosion resistance and long-lasting performance. Its compact disc shape makes it easy to use in projects such as motors, speakers, sensors, household repairs, custom holders, craft models, and magnetic displays. Whether you're creating functional mechanisms or designing mechanical setups, this magnet provides reliable magnetic force and stable attachment for multiple use cases. Features: High-quality NdFeB (Neodymium) rare earth material ensures strong magnetic performance. Compact 25mm × 3mm disc size ideal for both DIY and industrial projects. Triple-layer Ni-Cu-Ni coating prevents rust, corrosion, and surface damage. Magnetized through the diameter for stable and uniform magnetic force. Precision build with ±0.1 mm tolerance for accurate fitting in assemblies. Suitable for applications in electronics, tools, crafts, models, motors, and sensors. Safe operating temperature up to 80°C, ensuring reliability across environments

SmartElex ILD213T Opto-isolator Breakout Board SmartElex ILD213T Opto-isolator Breakout Board is designed to provide reliable electrical isolation between two circuits, helping protect sensitive components from voltage spikes, noise, and ground loop issues. This opto isolator board uses the ILD213T optocoupler to safely transfer signals while keeping high-voltage and low-voltage sections separated. It is a practical solution for students, hobbyists, engineers, educators, and startups who need to interface microcontrollers with external hardware without risking damage to their development boards or sensors. This ILD213T optoisolator module is well-suited for robotics, IoT systems, industrial automation, and embedded prototyping where signal integrity and safety are important. It integrates easily with platforms like Arduino, Raspberry Pi, and ESP32, enabling secure communication with relays, motors, sensors, and noisy electrical equipment. By using this electrical isolation board, users can build more stable and durable projects, ensuring consistent performance and reduced troubleshooting due to interference or short circuits. Features: Provides electrical isolation between input and output circuits Based on the ILD213T optocoupler for reliable signal transfer Protects microcontrollers from voltage spikes and noise Helps prevent ground loops and interference issues Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Ideal for robotics, IoT, automation, and industrial interfaces

SmartElex 10A 5V 1-Channel Relay Module The SmartElex 10A 5V 1-Channel Relay Module is a compact and dependable low level trigger relay module designed to control high-power devices using low-voltage microcontrollers. Operating at 5V DC, this single channel relay module features an SPDT relay rated for 10A at 250VAC, making it suitable for switching lights, motors, pumps, and other appliances. Its isolated input circuitry helps protect sensitive control boards from voltage spikes, while the onboard pull-down circuit prevents false triggering during startup. With a clear power indicator and secure mounting design, this 5V Relay Module delivers safe, stable, and long-lasting performance for home automation, industrial control, and DIY electronics projects. Features: A single-channel relay module with SPDT setup Supports up to 10A at 250 VAC for high-current applications. High-level trigger for dependable control. Compatible with a wide range of microcontrollers, including Arduino, AVR, PIC, and ARM. Isolated inputs to protect sensitive control circuitry. Contains a pull-down circuit to avoid inadvertent activation. Power supply indicator for rapid status checks. complies with international safety standards Convenient installation with four mounting holes.

7Semi BNO086 IMU Mini Breakout Board for Robotics The 7Semi BNO086 IMU Mini Breakout Board for Robotics is a high-precision 9-axis inertial measurement unit designed to deliver accurate motion and orientation data in real time. Powered by the Bosch BNO086 sensor, it integrates a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer with an advanced built-in sensor fusion algorithm, eliminating the need for complex external processing. This breakout board provides exact orientation, acceleration, and rotational data through I2C and SPI interfaces, making it easy to integrate with microcontrollers used in robotics and embedded systems. Its compact size and reliable performance make it ideal for robot navigation, drone stabilization, AR/VR motion tracking, and IoT automation applications, where precise and stable motion sensing is critical. Features: High-Precision Motion Tracking: Ceva's MotionEngine enables seamless 9-Axis and 6-Axis sensor fusion, improving the user experience in AR, VR, robotics, and IoT apps. Dynamic Calibration: Automatically adjusts for bias in the accelerometer and gyroscope based on time and temperature, ensuring consistent performance under changing conditions. Configurable Activity Tracking: Includes classification modes for walking, running, standing, in-vehicle, and cycling activities. Intelligent Power Management: Activity classifiers and wake-on-motion features help to optimise power use. Host-Side Library Compatibility: Expands capabilities by including libraries that support VR, AR, and attitude monitoring, making it ideal for high-performance sensor applications. Flexible Connectivity Options: Includes a 4-pin JST connector for easy MCU connection and 0.1"-spaced pins for breadboard use. I2C Interface Compatibility: Allows for flexible and efficient connection, ensuring dependable data transport.

7Semi BME688 Environmental Sensor Nano Breakout with 2.54mm Pitch Header The 7Semi BME688 Environmental Sensor Nano Breakout with 2.54mm Pitch Header is a versatile and high-precision environmental sensor designed for modern monitoring applications. Built around Bosch’s advanced BME688, it accurately tracks temperature, humidity, air pressure, and gas levels, helping you gain meaningful insights into environmental conditions. Its compact nano form factor and I2C interface make integration simple with Arduino, Raspberry Pi, and other development boards. Whether you’re building a smart home system, an industrial monitoring setup, or an environmental research project, this environmental monitoring sensor delivers dependable performance in a user-friendly design. Features: AI-Enhanced Gas Sensing: Identifies dangerous gasses with exceptional accuracy. Comprehensive Monitoring: A single sensor measures numerous essential environmental factors. Flexible Interface: I2C connectivity enables seamless interaction with microcontrollers. Compact design: The nano breakout board is ideal for projects with limited space. 3.3V Operating Voltage: Suitable for a wide range of development boards. Gas sensor sensitivity, selectivity, and data rate can all be adjusted to meet your individual application requirements.

7Semi SHT45 Humidity & Temperature Sensor Breakout Board with 4-Pin Connector Get reliable and highly precise environmental readings with the 7Semi SHT45 Humidity & Temperature Sensor Breakout, engineered for applications where accuracy truly matters. Built on Sensirion’s advanced SHT45 platform, this compact module delivers outstanding measurement performance with ±1.0% RH humidity accuracy and ±0.1°C temperature accuracy. Whether you're developing an HVAC controller, creating a weather-monitoring setup, or designing a smart agriculture system, this breakout ensures stable, real-time data you can trust. Designed with a 4-pin JST connector and I2C communication, the sensor integrates effortlessly into microcontroller projects using platforms such as Arduino, ESP32, or Raspberry Pi. The ultra-low power consumption and wide operating voltage range make it ideal for both portable and embedded IoT devices. Its fast response time and factory-calibrated output allow creators, engineers, and automation designers to build systems that depend on precise climate data without additional tuning. This makes it an excellent choice for environmental monitoring, industrial automation, and smart home development. Features: Provides exceptionally accurate measurements with ±1.0% RH humidity accuracy and ±0.1°C temperature accuracy for reliable environmental tracking. Covers a wide operating range of 0–100% RH and -40°C to 125°C, making it suitable for diverse climates and industrial environments. Delivers fast response times, ensuring timely humidity and temperature updates for real-time applications. Designed with ultra-low power CMOSens® technology, making it ideal for long-duration, battery-powered systems. Offers seamless integration through its I2C interface and 4-pin JST connector, enabling quick and secure connectivity with most MCUs. Operates efficiently across a supply voltage range of 1.08V to 3.6V, enhancing compatibility across different devices. Comes factory-calibrated with a certification, ensuring immediate plug-and-play accuracy without additional configuration.

7Semi DC Buck Converter Breakout 5V 2A Out (AP62301) (BO-10133) The 7Semi DC Buck Converter Breakout 5V 2A Out (AP62301) is a small power module that converts higher DC input voltages into a steady 5V output with up to 2A current. It allows you to power 5V-based electronics from a wide range of DC power sources such as batteries and adapters. This makes it perfect for projects that need a reliable 5V supply. Built with an efficient synchronous buck converter design, this module delivers stable power while keeping energy loss and heat to a minimum. Its compact size makes it easy to add to space-limited electronics projects like IoT devices, microcontroller boards, and portable systems. Whether you’re building sensors, development boards, or embedded systems, this buck converter gives you a simple and dependable way to get 5V power. Features: Provides a stable 5V output with up to 2A continuous current Accepts a wide range of DC input voltages for flexible power sources Efficient synchronous buck converter design for low power loss Low heat generation for cool and reliable operation Compact breakout board for easy integration and prototyping Ideal for powering 5V microcontrollers, sensors, and IoT devices Perfect for embedded systems, portable electronics, and hobby projects

Cytron Maker Reflect IR Reflectance Sensor for Beginner The Cytron Maker Reflect IR Reflectance Sensor is a compact and beginner-friendly module designed to help learners understand how infrared reflectance works in robotics and automation. Using an IR LED and a high-sensitivity phototransistor, it measures how much IR light bounces back from a surface and generates an analog voltage that’s easy for any microcontroller to read. This makes it perfect for exploring concepts like surface detection, black-and-white line following, and reflectivity measurement. Designed by Cytron with simplicity in mind, this sensor is ideal for kids, students, and makers stepping into DIY robotics projects. Its ultra-small size and centered mounting hole allow it to fit even in tight robot designs, while its 3.3V and 5V compatibility ensures smooth use with Arduino, Raspberry Pi, and all common controllers. Whether you're building a line follower, Sumo bot, maze robot, or encoder-based mechanism, the Maker Reflect delivers reliable IR performance with minimal setup. Features: Works as a hands-on IR reflectance sensor that uses an IR LED + phototransistor to measure surface reflectivity for reliable detection. Helps beginners learn analog sensing, line detection, object presence, and robot navigation, building strong STEM fundamentals. Built with safe, durable Cytron components, ensuring stable performance even in beginner-level DIY robotics projects. Fully compatible with 3.3V and 5V systems, making it easy to interface with Arduino, Raspberry Pi, microcontrollers, and robotics platforms. Offers a sensing distance of 1mm to 40mm at 5V (ideal for black/white surface detection and line following). Provides analog voltage output, allowing smooth interpretation of different surface colors and reflectivity. Compact size of 18.1mm × 8.4mm × 4.2mm, with a centered mounting hole for accurate positioning at the front of robots. Suitable for school projects, robotics clubs, and maker experiments - perfect for line followers, Sumo robots, maze solvers, and encoder wheels. Makes a great STEM learning gift for young robotics enthusiasts and beginners exploring IR sensors.

SmartElex NS412 Digital PIR Motion Sensor Module The SmartElex NS412 PIR Motion Sensor is a compact NS412 PIR Motion Sensor module designed for accurate human body detection in electronic and automation projects. It helps users detect movement by sensing changes in infrared radiation, making it useful for security, energy saving, and smart control applications. This human body detection module is suitable for students, makers, educators, engineers, and startups who want a simple and reliable way to add motion sensing to their projects. The sensor works smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, allowing easy integration into robotics, IoT devices, and automation systems. Its stable digital output makes it ideal for applications like smart lighting, intrusion detection, occupancy sensing, and DIY prototypes. With easy interfacing and dependable performance, this module enables developers to quickly build motion-based solutions for real-world use. Features: Accurate motion detection using infrared sensing technology Designed for reliable human body detection applications Digital output for easy connection with microcontrollers Compatible with Arduino, Raspberry Pi, and ESP32 boards Low power operation suitable for continuous monitoring Ideal for security systems, smart lighting, and automation projects

7Semi OPT3004 Digital Ambient Light Sensor Breakout with I2C STEMMA QT / Qwiic The 7Semi OPT3004 Digital Ambient Light Sensor Breakout is a compact and high-precision module designed to measure visible light just the way the human eye perceives it. Built around the OPT3004 sensor, it delivers exceptional accuracy, wide dynamic range, and excellent infrared rejection, making it ideal for real-world lighting applications. With seamless I2C compatibility and Qwiic/STEMMA QT support, this breakout is easy to integrate into microcontroller or IoT setups without complicated wiring. Whether you're building smart lighting systems, automating energy-efficient environments, or experimenting with environmental monitoring projects, this module provides consistent and dependable lux readings. Its advanced design, low-power performance, and precise optical filtering make it a reliable choice for hobbyists, students, and professional developers looking for accurate ambient light sensing in their projects. Features: The breakout uses the OPT3004 sensor, which delivers precise visible light measurements with excellent IR rejection to mimic human eye response. It offers a wide measurement range from 0.01 lux to 83,000 lux, allowing accurate performance in dim to bright environments. The module includes automatic gain ranging with a 23-bit effective dynamic range, ensuring stable results without manual adjustments. Designed with I2C support and Qwiic/STEMMA QT connectors, it enables quick, solder-free integration into various electronics projects. The board operates smoothly on both 3.3V and 5V supplies, making it compatible with popular microcontroller platforms. Its compact 27×20 mm footprint makes it suitable for space-constrained embedded or portable applications. Built with precision optical filtering to block over 99% infrared light within a ±85° angle for truly accurate lux readings.