This 2.4GHz wireless transmission module, featuring NRF24L01P technology with PA and LNA, supports long-distance data sending and receiving in the ISM band. Ideal for DIY electronics projects, IoT setups, or remote monitoring systems, it helps extend wireless communication range for reliable data transfer in applications like sensor networks or point-to-point links, without needing complex wiring. Enhanced transmission up to 20dBm power for greater reach in open environments Compact size of 41mm x 15mm for easy integration into small devices Operates on 3.0-3.6V, with low current draw (115mA transmit peak, 45mA receive peak) for energy efficiency Includes an external antenna to improve signal stability and reduce interference Supports full two-way communication for versatile network configurations Power-down mode with minimal 4.2uA current to conserve battery life Light specifications: Works in the 2.4GHz band, compatible with microcontrollers for custom projects. This module fits well for makers and developers seeking dependable wireless solutions for everyday tech challenges.

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This 433MHz wireless remote control duplicator allows you to copy signals from existing remotes for garage doors, gates, and home systems, making it a practical tool for everyday access management. In scenarios like losing a remote or needing duplicates for multiple users, it simplifies the process by cloning compatible signals quickly and accurately, without requiring advanced technical skills. Utilizes advanced IC programming to avoid accidental code erasure during setup Supports cloning of up to two signals from different remotes on its four-channel design Compatible with 99.99% of common fixed and learning code remotes, excluding rolling codes Includes pre-installed CR2016 batteries for immediate use Features a compact black plastic build for easy handling and portability Operates at 433MHz with a transmit range of 50-100 meters in open areas This remote suits homeowners or hobbyists seeking a reliable, user-friendly option for duplicating controls in standard setups.

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The Landa Tianrui Precision Clock Module is a compact RTC (Real-Time Clock) board designed for microcontroller projects, compatible with Arduino and Raspberry Pi systems. In practical use, this module helps maintain accurate time in applications like data logging, IoT devices, or environmental monitoring, even in varying temperatures, by providing a stable clock source without needing additional power converters. Timing accuracy of +/-5ppm within -40°C to +85°C, ensuring reliable performance in diverse conditions. Battery backup for uninterrupted operation during power loss. Supports 3.3V and 5V systems directly, with full clock functions including alarms and a digital temperature sensor. Low-power consumption and high-speed I2C interface for easy integration. Reset button and outputs like 1Hz and 32.768kHz for flexible project needs. With dimensions of 2.2 cm x 1.2 cm x 0.5 cm and a black PCB material, it's a lightweight (5g) option for hobbyists and engineers seeking precise timing solutions in compact designs.

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The Landa Tianrui CAN Bus Interface Module is a compact tool for vehicle communication systems, utilizing the TJA1050 chipset to handle CAN bus protocols effectively. In practical scenarios, this module supports automotive projects like vehicle diagnostics, data monitoring, or custom interface development, allowing users to connect and test CAN networks with ease, such as integrating with engine control units for real-time data analysis. Onboard TJA1050 CAN controller chip for reliable data transmission LED indicators on common pins to simplify wiring and troubleshooting 5V power supply compatibility for straightforward integration into various setups Compact PCB design measuring 22mm x 11.5mm, made from durable blue material Lightweight at 5g, with dimensions of 2.2cm x 1.2cm x 0.5cm for easy installation Includes two modules per package for versatile use in multiple applications This module fits well for electronics enthusiasts, students, or engineers working on CAN bus projects, offering a straightforward solution for vehicle interfacing needs.

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The LM2596 Adjustable Step-Down Voltage Regulator with Voltmeter Display is a compact module for converting higher DC voltages to adjustable lower ones. This regulator suits various electronics tasks, like powering Arduino boards or charging batteries, where precise voltage adjustment and monitoring help prevent damage from fluctuations. Adjustable output voltage from 1.25V to 37V DC, with up to 2A current capacity Built-in voltmeter displays input or output voltage, switchable via a button for easy monitoring Includes input reverse polarity protection and output short circuit safeguards Thermal shutdown feature to avoid overheating during extended use Deep blue color with durable PCB and electronic components construction Compact dimensions of 6 cm x 3.5 cm x 1.4 cm, weighing just 21 grams for versatile integration Light specifications include an input range of 4-40V DC and a voltmeter accuracy of +/-0.1V. This module fits well for DIY enthusiasts and technicians needing reliable voltage regulation in their projects.

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The STM32 Development Board offers a straightforward entry into microcontroller projects, featuring the STM32F103C8T6 chip for reliable performance in basic electronics tasks. For beginners, this board supports hands-on learning by allowing easy programming of simple circuits, such as controlling an LED or testing sensor interfaces, to develop essential coding and hardware skills without complex setups. On-board SWD interface compatible with ST-LINK V2 for simple programming. Includes a test indicator LED to visually confirm code execution. Built-in 100mA 3.3V regulator for stable power supply. All GPIO pins are clearly marked and accessible for quick prototyping. Features 37 digital I/O pins and 10 analog input pins for versatile project options. Compact dimensions of 5.5 cm x 2.2 cm x 1.2 cm, made from durable PCB, alloy, and plastic in blue and yellow. This board fits well for novice electronics hobbyists seeking an affordable, user-friendly option to explore STM32 capabilities and advance their skills through practical experiments.

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The Waveshare Infrared Proximity Sensor is a compact device designed for detecting obstacles using infrared beams, suitable for various electronic projects. In practical scenarios, this sensor helps in robot navigation by identifying nearby objects, enabling path tracking or collision avoidance in controlled indoor environments, away from direct sunlight. Employs the LM393 comparator for reliable signal processing Offers adjustable sensitivity to fine-tune detection based on specific needs Operates on a voltage range of 3.3V to 5V for broad compatibility with microcontrollers Provides a detection range of 2cm to 30cm, varying by object color and surface Features a 35-degree detection angle for targeted sensing Includes a signal output indicator for easy monitoring With dimensions of 39mm by 15.5mm and 3mm mounting holes, it fits neatly into small-scale applications like DIY robots or automated systems for hobbyists and developers seeking precise obstacle detection solutions.

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This 12V adjustable delay relay module offers precise timing control for various electronic applications, allowing users to set delays from 1 to 120 seconds. In everyday use, it's ideal for scenarios like delaying the power-up of a car dashboard camera after ignition or automating the shut-off of appliances to conserve energy, providing a simple way to manage timed operations without complex wiring. Adjustable delay time from 1 to 120 seconds, set via voltage measurement for accurate customization Supports 12V or 24V power supply with up to 10A current, and includes reverse polarity protection to safeguard against wiring errors Features a repeat trigger interface for easy re-triggering with a button, eliminating the need for power cycling Compact dimensions of 52.8x32x18mm, making it suitable for space-limited installations Easy adjustment process using a multimeter, with default settings for immediate use out of the box Enables repeated triggering without repowering, useful for ongoing tasks in vehicles or home setups This module fits well for hobbyists, automotive enthusiasts, or anyone needing reliable timing solutions in DIY projects or basic automation.

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This micro gear motor operates on DC 12V and is designed for applications in robotics, cameras, and small equipment, offering a reliable option for compact projects. In practical use, it's helpful for tasks like automating robot movements or adjusting camera angles in confined spaces, where its small size allows for easy integration without adding bulk or complexity. Powered by DC 12V, ensuring compatibility with standard power sources. Features a 3mm D shaft for secure and straightforward connections to other components. Delivers high torque with stable operation, supporting consistent performance in various loads. Built for durability, providing a longer service life in repeated use. Includes low noise and low power consumption, making it suitable for noise-sensitive environments. Compact dimensions of 12x10x29mm, allowing it to fit into tight spaces. This motor fits well in scenarios requiring an efficient, space-saving drive for small-scale devices, such as hobbyist robots or automated tools.

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This automatic temperature and humidity control panel helps monitor and adjust environmental conditions for various applications. It features a compact design with an integrated sensor for accurate readings. In a home greenhouse, for instance, this panel can maintain optimal levels by automatically activating relays when temperatures or humidity exceed set thresholds, preventing plant damage from fluctuations. Measures temperature from -20 to 60 degrees Celsius and humidity from 0 to 100% RH for broad environmental tracking. Allows remote parameter settings via UART, enabling easy adjustments for start/stop points and corrections. Provides real-time data reporting every second when enabled, useful for data logging and monitoring systems. Supports relay output up to 10A with DC 6-30V power, suitable for controlling fans or heaters. Fits into spaces around 7.5x3.95cm, with a lightweight 95-gram build for easy installation. This control panel is ideal for users needing reliable environmental monitoring in settings like labs or storage areas, where precise control enhances safety and efficiency.

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The ZK-MG PWM DC Motor Speed Controller with Digital Display provides reliable speed adjustment for DC motors in various applications. In everyday use, this controller helps manage motor speed in projects like ventilation systems, small pumps, or robotics, allowing for fine-tuned performance without sudden surges that could damage components. Features a digital encoder knob for precise duty cycle adjustments from 0-100%, ensuring consistent speed control. Includes a soft start function to gradually increase current, reducing wear on motors and extending their lifespan. Offers adjustable operating frequency between 1-99KHz for compatibility with different motor types. Comes with a start/stop button and external switch support for versatile control options. Housed in a compact 7.9x4.3x2.6 cm enclosure for easy installation in tight spaces. With a working voltage of DC 5-30V and up to 15A current handling, it's suitable for hobbyists and makers working on low to medium-power DC motor projects up to 150W.

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The Schumann Resonance Pulse Generator is a compact device that emits a stable frequency for daily audio enhancement, helping to create a consistent sound environment. In everyday use, this generator can assist with relaxation or focus during meditation, work sessions, or in noisy settings, by providing a subtle pulse that mimics natural earth frequencies without interfering with other audio sources. Battery-powered design with no voltage ripple for more accurate frequency output Polymer lithium battery offering up to 200 hours of use and 850mAh capacity with overcharge, overdischarge, and overcurrent protection Small, portable size of approximately 6.8x5.2x1.2cm for easy carrying and discreet placement Charges via a 5V Micro USB interface with a 250mA charging current, taking about 6 hours for a full charge Low working current of 7mA, making it energy-efficient for prolonged sessions This device fits well for those needing a simple, reliable tool to maintain audio stability in daily routines, such as at home or while traveling.

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This soil moisture hygrometer sensor measures soil humidity to support effective plant monitoring in gardens and indoor setups. For gardeners and plant enthusiasts, it's useful for checking soil moisture levels to avoid overwatering or drought stress, helping maintain healthier plants in various environments like pots, raised beds, or automated systems. Features the LM393 chip for reliable and stable operation Offers dual output modes: simple digital for ease and more precise analog for detailed readings Includes adjustable sensitivity to fine-tune measurements for different soil types Has fixed bolt holes for straightforward installation in DIY projects Operates on a working voltage of 3.3V-5V, making it compatible with common microcontrollers Compact size of 3cm x 1.6cm for space-efficient use This sensor fits well in beginner to intermediate gardening applications, providing practical data for better plant care decisions. Made from semiconductor materials, it ensures consistent performance in everyday use.

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The SUNLEPHANT Human Infrared Sensor is a compact motion detection device that uses passive infrared technology to identify human movement in its vicinity. In practical settings, this sensor can be used in home security systems to activate lights or alarms upon detecting motion, or in automated setups like energy-saving devices that turn off when no one is around, helping to reduce unnecessary power use. Adjustable delay time from 0.5 to 200 seconds, allowing customization for specific timing needs in various applications. Low static current under 65uA, which supports longer battery life in portable or wireless installations. Wide operating voltage range of 5-20V DC, making it compatible with a variety of power sources. Sensing range up to 7 meters with a less than 120-degree cone angle, suitable for targeted area monitoring. Compact dimensions of 32mm x 24mm and an induction lens diameter of 23mm, easing integration into tight spaces. Operates in temperatures from -15 to +70 degrees Celsius, accommodating indoor and outdoor use. This sensor fits well in DIY electronics projects, security enhancements, or automation tasks where reliable motion detection is needed without complex setups.

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This breadboard power supply module provides essential power options for DIY electronics enthusiasts building prototypes. In use, it's helpful for projects requiring stable 3.3V or 5V sources, such as testing sensors or microcontrollers on a breadboard, allowing quick voltage adjustments to avoid circuit damage or instability. Features two sets of 3.3V and 5V DC output pins for versatile connections Independent control for upper and lower channels, switchable to 0V, 3.3V, or 5V Supports output current up to 700mA, suitable for many low-power components Accepts input from 6.5-12V DC or USB, offering flexible power sources Compact design with dimensions of 32.2 x 52.8 x 20.7mm for easy integration It fits well in scenarios for hobbyists or students needing reliable power without complex setups.

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This high voltage boost generator is designed for DIY electronics enthusiasts working on projects that require voltage conversion. It steps up input voltages to generate a higher output, suitable for various experimental setups. For hobbyists and makers, this device can be used in educational experiments or prototype testing, such as creating static electricity demonstrations or powering small-scale devices. Always handle with care due to the high output voltage, ensuring proper safety measures like insulated tools and protective gear. Converts DC input from 3V to 7.2V with a current range of 2A to 5A Produces an output of approximately 200,000 volts, with a discharge distance of 10mm to 20mm Compact dimensions of 24mm diameter by 64mm length for easy integration into projects Includes 100mm output high voltage lines and input power cords, with red wire indicating positive polarity Operates as a pulse current type high voltage generator Ideal for 3C digital applications, including electronics prototyping This generator fits well in hands-on electronics projects where reliable voltage boosting is needed, particularly for users familiar with basic electrical safety protocols.

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The Vehicle Safety Voice Alert System offers audio reminders for vehicle doors and engine starts, helping users stay aware of potential oversights. In everyday driving scenarios, this system can notify you if a door remains open or prompt checks before starting the engine, enhancing routine safety checks without added complexity. Adjustable volume up to 90dB using a simple screwdriver for personalized alert levels Compact dimensions of 71x62x27mm with 300mm cable, making it easy to mount in tight spaces Supports DC6-30V power supply and connects to up to four switches for versatile setup MP3 file format allows for customizable voice messages, with straightforward audio changes by accessing the internal chip Operates in a wide temperature range of -20 to 70 degrees Celsius for reliable performance in various conditions Output power of 2W at 8 ohms ensures clear audio playback This system fits vehicles where basic audio alerts can address common safety concerns, such as forgetting to secure doors, providing a practical addition for drivers seeking straightforward reminders.

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The DSO138 oscilloscope is a fully assembled kit designed for signal analysis, featuring an ARM Cortex-M3 processor and a 2.4-inch color TFT display for clear waveform visualization. This oscilloscope suits electronics enthusiasts and students for tasks like testing circuits, capturing transient signals, or prototyping projects. For instance, it helps in debugging by displaying frequency, period, and other parameters in real time, making it easier to identify issues in DIY electronics or educational experiments. Equipped with automatic, regular, and one-shot modes for flexible waveform capture. Offers rising or falling edge triggers and negative delay for precise signal observation. Includes waveform storage to retain data even after power-off. Features a built-in 1Hz/3.3V square wave test signal for calibration. Displays key parameters like frequency, pulse width, and peak values digitally. Supports secondary development, such as converting to a millivoltmeter. Key specs include a 1Msps sampling rate, 0-200KHz analog bandwidth, and compatibility with DC 9V power. This kit fits those seeking a compact, user-friendly tool for basic to intermediate signal analysis needs.

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The LQSC Bluetooth Car Audio Receiver Module offers a straightforward way to add wireless audio to DIY vehicle setups. In everyday use, this module helps upgrade older cars or custom projects by enabling Bluetooth streaming from devices like smartphones, making it easier to play music or podcasts without tangled wires. Bluetooth 5.1 technology for stable connections and efficient audio decoding. Wide input voltage range of 5V to 35V, accommodating various power sources. Dual output options: 3.5mm stereo jack and XH 2.54-3P socket for flexible connectivity. Compact dimensions of 5.5 x 3.2 x 1.2 cm, ideal for tight spaces in vehicles. Reverse power connection protection to prevent damage during installation. External antenna compatibility for better signal in enclosed areas. This module fits well in DIY audio projects for hobbyists seeking reliable, space-efficient solutions for vehicle entertainment.

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This microwave motion sensor switch operates on 220V-240V AC, designed for automating indoor lighting systems. It uses radar technology to detect movement and control lights efficiently. In a home or office setting, this sensor can turn lights on when it detects motion within its range, helping to save energy by automatically switching off after a set period. It's particularly useful in areas like hallways or storage rooms where hands-free operation enhances convenience and reduces electricity use. Adjustable detection distance from 2 to 10 meters for customized coverage 360-degree detection angle, minimizing blind spots compared to traditional infrared sensors Time delay settings from 10 seconds to 30 minutes for flexible automation Ability to penetrate objects, allowing for concealed installation without losing sensitivity Not affected by temperature changes or dust, ensuring reliable performance in various environments Compact size of 95x95x42mm, suitable for ceiling mounting indoors Supports up to 1200W power load, compatible with standard lighting fixtures This sensor fits well in residential or commercial spaces needing efficient, low-maintenance motion-based lighting control.

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This breadboard kit features an 830-hole solderless breadboard, a dedicated power module, and a set of jumper wires, designed for straightforward electronic prototyping. Use this kit to quickly assemble and test circuits for Arduino, Raspberry Pi, or other single-board projects. It's particularly helpful for students and hobbyists experimenting with components, as it allows easy connections without the need for soldering, saving time on revisions and iterations. Power module supports 5V and 3.3V outputs, with input options of 6.5-12V DC or USB for versatile power sources. Independently controlled outputs that can switch to 0V, 3.3V, or 5V, plus onboard pins for external connections. Constructed from ABS plastic with printed instructions and color-coded strips for clear layout guidance. Includes self-adhesive backing for stable mounting on any flat surface. Comes with 65 multi-color jumper wires for organized and reusable connections. 830 contact points ensure reliable, uninterrupted circuit links suitable for a range of DIY applications. This setup fits well for educational settings, personal tinkering, or professional prototyping, offering practical tools to build and modify circuits efficiently.

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The Waveshare 16MP lens enhances Raspberry Pi imaging projects by providing a high-resolution option for M12 camera modules. It features a compact design suitable for various DIY electronics and photography setups. This lens works well for applications like surveillance systems, robotics vision, or outdoor monitoring with Raspberry Pi boards. It delivers clear images in a wide field of view, helping users capture detailed scenes without excessive distortion. 16-megapixel resolution for sharp, detailed photography 3.56mm focal length and F/2.5 aperture for low-light performance Wide field of view: 105° diagonal, 88° horizontal, 70° vertical on a 1/2.3-inch image format Operates in a broad temperature range from -30 to 70 degrees Celsius Lightweight at 7g with M12 x P0.5 mounting for easy integration Distortion less than -17.6% to maintain image accuracy This lens fits Raspberry Pi camera modules, though an additional cable may be required for compatibility with Raspberry Pi Zero or Zero 2W models.

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This 100-piece adjustable resistor kit provides a variety of variable resistors for electronic projects, featuring resistances from 100 ohms to 1 megaohm. Use this kit in DIY electronics to fine-tune circuits in applications like home appliances or security systems, such as adjusting settings in televisions or rice cookers for precise voltage control and reliable performance. Copper brushes and bakelite resistors ensure durability with a 200-degree rotation angle Resistances include 10 pieces each of 500R, 1K, 2K, 5K, 10K, 20K, 50K, 100K, 200K, and 1M ohms for versatile project needs Withstands up to 1 kg of pressure and operates at up to 50V with a 0.1W rating Offers rotational torque of 60-150 g/cm and stop strength of 500 g/cm for smooth adjustments Minimal resistance change after repeated use, with less than 5% variation under load Suitable for educational experiments, prototyping, or repairs in various electronic devices This kit fits well for hobbyists, students, and technicians seeking dependable components for circuit design and modification.

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The Magenta-2 is a 2-way crossover specifically designed for bookshelf speaker audio systems, dividing audio signals into high and low frequencies for balanced sound output. In a typical home audio setup, this crossover helps enhance speaker performance by ensuring each driver handles the appropriate frequency range, making it useful for DIY enthusiasts building or modifying their speaker systems. 2-way filtering for high and low frequencies at 2830Hz crossover point Supports up to 200W power handling with 4-8 ohm impedance compatibility Optimized capacitors that maintain circuit stability and improve overall sound quality High-temperature inductors deliver deeper bass effects without distortion Solder-free terminals allow for straightforward, tool-free installation Compact dimensions of 100 x 62 x 34mm and lightweight at about 139g for easy integration This product fits well in setups for audio hobbyists looking to refine bookshelf speaker performance with reliable frequency management.

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