8E / 0.5W Speaker - 2.5" ( Industrial grade)

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 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 SHT41 Temperature & Humidity Sensor Breakout with I2C Qwiic Interface The 7Semi SHT41 Temperature & Humidity Sensor Breakout is a high-precision humidity sensor module built for engineers, developers, and IoT creators who need reliable environmental data in compact embedded systems. Powered by Sensirion’s advanced CMOSens® technology, this I2C temperature sensor delivers accurate readings across a wide range, making it ideal for smart home automation, HVAC upgrades, weather stations, and industrial monitoring systems. With its accurate ±1.5% RH humidity and ±0.2°C temperature performance, it ensures consistent measurements even in demanding environments. Designed with a built-in Qwiic connector, the breakout allows fast, solder-free plug-and-play integration into Qwiic-compatible ecosystems like Arduino, Raspberry Pi, and other development platforms. Its quick response time, low power consumption, and compact 30 × 22 mm footprint make it a dependable environmental monitoring sensor for portable, battery-powered devices, IoT prototypes, and educational projects. Whether used in climate control systems or air-quality tracking, the SHT41 provides robust, long-term stability. Features: Designed with Sensirion’s CMOSens® technology to deliver high-accuracy temperature and humidity readings with long-term stability. Offers a full 0–100% RH humidity range and a wide temperature range of -40°C to 125°C, making it suitable for varied climates and applications. Integrated Qwiic connector provides seamless, solder-free connectivity for rapid prototyping and easy hardware integration. Supports I2C communication, allowing compatibility with Arduino, Raspberry Pi, ESP32, and other development platforms. Features a compact and lightweight 30 × 22 mm PCB, ideal for embedded and space-constrained designs. Operates on 3.3V–5V supply with low operating current, making it suitable for battery-powered and energy-efficient systems.

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

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

7Semi EC20 CAT-4 LTE 4G GNSS Nano Modem The 7Semi EC20 CAT-4 LTE 4G GNSS Ultra-compact Nano Modem is a powerful and space-saving solution designed to bring fast, reliable cellular connectivity to IoT and M2M applications. Built around Quectel’s EC20 R2.1 module, it supports LTE, UMTS/HSPA+, and GSM networks, enabling seamless communication across diverse environments. With download speeds up to 150 Mbps and upload speeds up to 50 Mbps, the modem delivers the performance needed for data-intensive applications like tracking, telemetry, remote monitoring, and industrial IoT. Beyond connectivity, the module features advanced multi-GNSS positioning including GPS, GLONASS, BeiDou, Galileo, and QZSS. It comes with a micro-USB interface for direct PC/laptop connectivity, optional UART support, nano SIM slot, and flexible powering through USB or 5–14V external input. With its wide operating temperature range and compact form factor, this modem is ideal for Raspberry Pi integrations, embedded projects, and outdoor systems requiring stable cellular + GNSS capabilities. Features: Offers multi-network connectivity with LTE, UMTS/HSPA+, and GSM/GPRS/EDGE support for global coverage. Provides high-speed data performance with up to 150 Mbps downlink and 50 Mbps uplink for demanding IoT applications. Supports advanced GNSS systems including GPS, GLONASS, BeiDou, Galileo, and QZSS for accurate geolocation. Includes micro-USB interface for direct PC/laptop connection and optional UART for embedded hardware integration. Compatible with nano SIM cards and can operate on 5V USB or 5–14V external power for wide deployment flexibility. Designed for rugged use with a wide operating temperature range of -40°C to 80°C. Ideal for PC, laptop, and Raspberry Pi usage, including remote monitoring, navigation, and IoT deployments. Includes high-gain internal antenna (8dBi) with IPEX connector for strong and stable signal reception. 7Semi EC20 CAT-4 LTE 4G GNSS Nano Modem Dimensions

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 STM32G030K6T6 STM32 Development Board The 7Semi STM32G030K6T6 STM32 development board is built around the STM32G0 series microcontroller featuring an ARM Cortex-M0+ core running up to 64 MHz, delivering reliable performance with low power consumption. Designed for rapid prototyping and embedded development, it provides essential peripherals such as GPIOs, ADC, timers, and serial communication interfaces including UART, SPI, and I2C. This board’s main core function is to enable efficient control, data processing, and peripheral management in applications like IoT devices, consumer electronics, and industrial automation. With easy integration into standard STM32 development tools, it serves as a dependable platform for development, testing, and real-world deployment. Features: High-Performance STM32 Chip: STM32G030K6 with 64 MHz core, 32K Flash, and 8K RAM for maximum computing power. Integrated Memory Protection and Enhanced I/Os Onboard 8K SRAM and up to 64K Flash memory with numerous safeguards, adaptable I/Os, and a range of communication interfaces (I2Cs, SPIs, and USARTs). Comprehensive Peripheral Support: Includes a 12-bit ADC with up to 19 channels, an advanced PWM timer, 16-bit timers, and watchdog timers to ensure system stability. USB-C Power Supply and Debugging Interface: USB-C compatibility allows for efficient power management, while the SWD debugging interface allows for seamless emulator connections. Onboard Control and Indicator Lights: Includes a power indicator, programmable LED, and reset button for real-time status information and simple user control.

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 DC-DC Buck Converter 7V-40V Input to 5V 5A Output- AP64500 (BO-10188) The 7Semi DC-DC Buck Converter 7V–40V Input to 5V 5A Output – AP64500 (BO-10188) is a high-power voltage regulator module designed to convert higher DC input voltages into a stable 5V output with up to 5A current. Its wide input range makes it suitable for many power sources, including batteries and industrial supplies, where reliable 5V power is needed. Built around the efficient AP64500 synchronous buck converter, this module delivers stable output with low heat and high efficiency, even under heavy load. It is well suited for powering microcontrollers, single-board computers, sensors, and communication modules. Whether you’re building robotics, automation systems, or advanced electronics projects, this buck converter provides dependable and efficient power management. Features: Wide input voltage range: 7V to 40V DC Stable 5V output with up to 5A continuous current High-efficiency synchronous buck converter using AP64500 Low thermal loss and reliable performance under load Compact breakout module for easy project integration Built-in power protection features for safe operation Ideal for microcontrollers, SBCs, IoT and embedded systems Suitable for robotics, automation, and power supply projects

7Semi MAX31856 Universal Thermocouple Amplifier Breakout (ES-12229) The 7Semi MAX31856 Universal Thermocouple Amplifier Breakout is a versatile temperature sensing board designed to work with a wide range of thermocouple types. It allows you to measure temperatures accurately, from very low to extremely high ranges, making it suitable for both industrial and experimental applications. This breakout board converts the small voltage signals from a thermocouple into clear digital data that can be easily read by microcontrollers. With built-in cold-junction compensation and a simple digital interface, it reduces complexity and improves measurement reliability. Whether you’re working on monitoring systems, lab equipment, or advanced electronics projects, this module makes temperature measurement straightforward and dependable. Features: Supports multiple thermocouple types for universal temperature measurement High-accuracy temperature readings with built-in cold-junction compensation Digital interface for easy connection to microcontrollers Wide temperature measurement capability for low and high-temperature applications On-board signal amplification and noise filtering for stable output Compact breakout board suitable for industrial, lab, and DIY projects

7Semi INA240 4-80V Bidirectional Current Sensor Amplifier Breakout Board The 7Semi INA240 4-80V Bidirectional Current Sensor Amplifier Breakout Board features the renowned Texas Instruments INA240, delivering precise bidirectional current measurements with a 50 V/V gain across a wide voltage range of -4V to 80V. With superior PWM rejection, it maintains accurate readings even in electrically noisy conditions, making it perfect for motor drives, power monitoring, and advanced electronics applications. Compact, reliable, and easy to integrate, this INA240 Current Sensor breakout board is an essential tool for engineers, makers, and hobbyists seeking high-precision current sensing in their projects. Features: Wide Voltage Range (-4V to 80V): Measure current seamlessly throughout a wide common mode voltage range, including applications that operate below earth. Enhanced PWM Rejection: Maintain precision in the presence of significant common mode transients, ensuring reliable measurements in systems that use PWM signals. High-Precision Voltage Output: The INA240A2 onboard delivers a proportional voltage output that integrates well with your existing configuration. Compact and Convenient: The breakout board's design simplifies integration into your projects while providing easy access to critical pins and connections. Various Applications: Suitable for motor drives, solenoid control, battery management, power monitoring, and a variety of other tasks.

7SEMI PT100 RTD Temperature Sensor Probe 2-wire 1m -70~300C The 7SEMI PT100 RTD Temperature Sensor Probe 2-wire 1 m (-70 ~ 300°C) (ES-13519) is a reliable temperature sensor designed to deliver accurate and stable readings across a wide temperature range. It uses a platinum PT100 RTD element, which is well known for precision and long-term consistency, making it suitable for both learning and professional applications. The sensor comes with a 1-meter cable and a sturdy stainless-steel probe that can handle demanding environments. Its simple 2-wire design makes it easy to connect with temperature controllers, data loggers, and microcontroller-based systems. Whether you’re working on industrial monitoring, laboratory experiments, or electronics projects, this PT100 probe offers a good balance of accuracy, durability, and ease of use. Features: Uses a PT100 platinum RTD element for accurate and stable temperature measurement Wide operating temperature range from -70°C to 300°C 2-wire configuration for simple and reliable connectivity Stainless steel probe for durability and long service life Comes with a 1-meter insulated cable for flexible installation Suitable for industrial, laboratory, and electronics projects Provides consistent readings over time with minimal drift