Electronics

The DS3231 real-time clock module offers precise timekeeping for electronic projects and devices. In scenarios like IoT setups, data loggers, or alarm systems, it maintains accurate timing and temperature monitoring, even during power interruptions, helping ensure reliable operation without constant power. High-precision DS3231 chip with 2ppm accuracy, resulting in about 1 minute annual error under normal conditions Built-in temperature sensor accurate to +/- 3°C for environmental monitoring I2C bus interface supporting up to 400KHz for fast, easy integration with microcontrollers like Arduino Rechargeable LIR2032 battery for backup power, keeping the clock running when main power is off 32K memory (AT24C32) for storing additional data Compact size of 38mm x 22mm x 14mm and lightweight at 8g, suitable for space-constrained designs This module is ideal for hobbyists, students, and engineers working on projects that need dependable real-time clocks with added functionality.

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This US to EU travel plug adapter set consists of four compact pieces, designed to convert US-style plugs for use in European outlets. It provides a straightforward solution for powering your devices abroad. For travelers from the US visiting Europe, this adapter set ensures your electronics can be charged without hassle, whether you're exploring cities or staying in hotels. It helps maintain connectivity by adapting plugs for various devices, reducing the risk of compatibility issues during trips. Four adapters included for versatile use with multiple devices Compact design for easy packing and portability in luggage or pockets Supports up to 250V and 6A, suitable for a range of electronics Compatible with standard US plugs to EU sockets, enhancing global travel convenience Durable construction for repeated use on international journeys Light specifications include a maximum rating of 250V and 6A. This set fits well for anyone needing reliable plug conversion for short-term or extended travel in EU countries.

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The Metal Proximity Sensor Module serves as a reliable component for electronic projects, detecting metal objects through inductive sensing. In practical scenarios, this sensor helps in automation setups, such as monitoring machinery parts or creating touch-free switches in robotics, by signaling when metal is nearby without direct contact. Constructed from iron and stainless steel for durability in various environments Operates on a 6-36VDC power supply with up to 300mA current, offering flexibility for different project voltages Provides an 8mm sensing distance for precise detection of metal objects Compact dimensions of 6.5 x 3.0 x 3.0 cm and lightweight at 95g, making it easy to integrate into tight spaces Compatible with Arduino and similar microcontrollers for straightforward setup in DIY electronics Simple wiring and operation, reducing complexity for beginners and advanced users alike This module fits well in educational projects, prototyping, or industrial applications where non-contact metal detection is needed, supporting reliable performance in everyday use.

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The Waveshare 5G HAT is an expansion board designed for Raspberry Pi and similar single-board computers, featuring the SIM8202G-M2 module for enhanced connectivity. This board suits various projects requiring reliable 5G access, such as building smart gateways, drones, or live streaming devices in regions with Sub-6G coverage. It enables high-speed data transfer for tasks like remote monitoring or IoT applications, integrating seamlessly with existing setups. Supports 5G NSA and SA networks, plus LTE and WCDMA for broad compatibility across multiple bands. Includes USB 3.1 port for fast connections to PCs, Raspberry Pi, or Jetson Nano. Features dual SIM slots with single standby, switchable via AT commands, and multi-constellation GNSS for precise positioning. Onboard controls like power switch, reset button, and LED indicators for easy operation. Comes with SMA connectors for attaching antennas and an audio jack for voice applications. Compatible with Windows, Linux, and Android operating systems. With its flexible power options and M.2 slot, this board fits developers working on advanced connectivity projects needing stable, high-efficiency performance.

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The WD-9 universal travel plug adapter helps connect your devices to outlets in multiple regions, including Europe, the UK, Australia, and the US. It offers a simple solution for powering electronics without needing multiple adapters. For travelers or frequent movers, this adapter is useful when charging phones, laptops, or other devices in hotels, airports, or homes abroad. It addresses the common challenge of incompatible plugs by allowing seamless connections across different electrical standards. Compatible with UK, AU, US, and EU plug types for broad regional coverage Lightweight design makes it easy to pack and carry in luggage or a bag Compact size ensures it fits conveniently without adding bulk Simple plug-and-play operation for quick setup during trips Durable construction to withstand regular use on the go This adapter fits well for international travelers, digital nomads, or anyone dealing with varying power outlets, providing reliable connectivity for everyday needs.

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This DC-DC step down voltage converter changes a 12V input to a stable 5V output, suitable for a range of electronic devices. In practical scenarios, it's useful for powering gadgets like USB devices in vehicles or DIY electronics projects, ensuring consistent voltage without compatibility issues. Input voltage range of DC 8-20V for flexible power sources Output of 5V at 3A, supporting up to 15W of power Efficiency up to 96%, helping minimize energy loss Wide operating temperature from -40°C to 80°C for reliable performance in various environments Built-in protections against over-current, over-temperature, and short circuits to safeguard connected devices Compact design for easy integration into existing setups This converter fits well in automotive, hobbyist, or industrial applications where a dependable 5V supply from 12V systems is required.

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The RFID-RC522 is a compact module designed for reading and writing RFID cards, commonly used in DIY electronics and security projects. It operates at a standard 13.56MHz frequency, making it suitable for interfacing with various microcontrollers for tasks like access control or data logging. In everyday use, this module can help enthusiasts build simple security systems, such as key fob readers for home entry or inventory tracking in small-scale applications. It integrates easily into Arduino or similar setups, allowing users to detect and process RFID tags without complex wiring. Supports Mifare1 S50, S70, Ultralight, Pro, and Desfare cards for versatile compatibility Low working current of 13-26mA at 3.3V, ideal for battery-powered devices Idle current as low as 10-13mA and sleep mode under 80uA for energy efficiency Peak current stays below 30mA, preventing overload in sensitive circuits 13.56MHz frequency ensures reliable performance in standard RFID applications Light specifications include a compact design that fits into most prototyping boards. This module is a practical choice for hobbyists and developers working on electronic projects requiring RFID functionality.

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The Universal Travel Adapter helps you charge devices in multiple countries by converting various international plugs to a compatible format. For travelers heading abroad, this adapter simplifies staying powered up. Whether you're in Europe for a vacation or the UK for business, it ensures your phone, laptop, or other electronics can connect without needing multiple adapters. Converts overseas plugs to a 2-pin US standard for easy compatibility. Works with common plug types including UK, AU, US, and EU. Supports a wide voltage range of 100V-250V to accommodate different electrical systems. Provides a secure connection to prevent device damage from mismatched plugs. Compact design for easy packing and portability during trips. Built with durable materials to withstand frequent use. This adapter fits well for anyone traveling internationally, offering a practical solution for maintaining device connectivity across regions.

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The GX16 6-Pin Aviation Plug Socket Connector is a metal-based component designed for secure electrical connections, available in a pack of 5 pieces. These connectors are useful in aviation, electronics projects, or DIY wiring setups, providing a straightforward way to join cables and devices while maintaining reliable performance. Constructed from durable metal for long-lasting use Features a 6-pin design with an installation diameter of 16mm Low contact resistance of ≤0.005 ohm, helping to minimize signal loss Compact dimensions of 4.5 x 2.5 x 2.0 cm, making them easy to integrate into tight spaces Includes 5 pieces per pack for convenience in multiple applications Weighs just 99g total, offering portability for fieldwork or repairs This product fits well for hobbyists, technicians, or engineers working on electrical assemblies where dependable connectors are essential.

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The Current to Voltage Signal Conversion Module serves as a practical tool for electronics enthusiasts and professionals, converting current signals into voltage for various applications. In settings like industrial automation or DIY projects, this module helps integrate current-output sensors with voltage-based systems, ensuring reliable data transfer without complex setups. Supports a wide supply voltage range of 7-36V, accommodating diverse power sources. Handles multiple input ranges, including 0-20mA current and 0-10V voltage, for versatile use. Offers high stability and good linearity to maintain consistent performance over time. Features high-precision color ring resistance for accurate measurements in precision tasks. Includes low temperature drift and high accuracy to minimize errors in varying conditions. Designed with high power capabilities for demanding electronic environments. Light specifications include packaging in a static bag for safe handling. This module fits well in projects requiring precise signal conversion, such as sensor monitoring or control systems.

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This 20-piece travel plug adapter set with an AU socket helps connect devices to outlets around the world, supporting common plug types for seamless compatibility. For travelers heading to different countries, this set simplifies charging electronics like phones, laptops, and hair tools by adapting to various socket standards, reducing the hassle of mismatched plugs during trips or business travel. Compatible with UK, AU, US, and EU plugs for broad international use. Includes 20 adapters, providing multiple options for different devices and destinations. Handles up to 250V and 10A, suitable for most everyday appliances. Features an AU socket for Australian-style connections. Lightweight and portable design, ideal for packing in luggage. Easy to use with no complex setup required. This adapter set fits well for individuals or families traveling abroad, offering practical solutions for maintaining device connectivity without needing multiple purchases.

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This 7-pin aviation connector set offers five metal plugs for reliable DIY electrical connections, suitable for various projects. In everyday use, these connectors help hobbyists and technicians create secure wiring setups, such as in custom electronics or vehicle modifications, by ensuring stable links that minimize signal loss. Constructed from durable metal to withstand frequent handling and environmental exposure Features a 7-pin configuration for versatile multi-wire connections in complex setups 16mm installation diameter allows for straightforward mounting in tight spaces Low contact resistance of ≤0.005 ohm supports efficient current flow and reduces potential errors Compact dimensions of 4.6 x 2.0 x 2.0 cm make them easy to integrate without adding bulk Lightweight at 101g, facilitating portability for on-the-go projects These connectors fit well in scenarios requiring dependable, user-friendly options for electrical assembly, particularly for those new to DIY electronics.

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This universal travel plug adapter with an AU socket helps connect devices to various international outlets, making it a practical choice for powering electronics abroad. For travelers or business professionals heading to different countries, this adapter simplifies charging laptops, phones, and other gadgets by accommodating common plug types, reducing the hassle of mismatched sockets during trips. Works with UK, AU, US, and EU plugs for broad compatibility across regions Handles up to 250V and 10A, suitable for most household and travel devices Compact and lightweight design for easy storage in luggage or bags Secure connections to prevent accidental disconnections Includes an AU socket for direct use with Australian-style plugs Light specifications: Measures approximately 5-7 cm in size, depending on the model, and is made from durable plastic materials. This adapter fits well for those who frequently travel internationally, offering reliable performance for everyday charging needs without the need for multiple adapters.

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These 40-pin jumper wires offer a practical solution for breadboard connections in electronic projects. Each wire features male and female ends, allowing for versatile linking between components. In prototyping scenarios, such as assembling circuits on a breadboard for Arduino or Raspberry Pi setups, these wires enable easy custom connections. You can separate them as needed to fit non-standard spacing, reducing clutter and improving workflow efficiency. Multicolored design aids in quick identification and organization of wires during complex builds Separable cables let you create custom lengths for odd-spaced headers, enhancing flexibility Made from high-grade copper for reliable conductivity and durability in repeated use Standard male-to-female ends ensure compatibility with most breadboards and headers Includes 40 pins for ample supply in various project scales These wires fit well for electronics hobbyists, students, or professionals seeking dependable, adaptable components for circuit testing and development.

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This 20-piece plug adapter set features a UK socket design, making it suitable for adapting various international plugs for use in the UK and beyond. It includes adapters for UK, AU, US, and EU standards, helping users connect devices from different regions without hassle. For travelers, expatriates, or anyone dealing with international electronics, this set offers a practical solution for charging phones, laptops, and appliances in hotels, homes, or offices abroad. It addresses common issues like incompatible outlets during trips to Europe, the US, Australia, or the UK by providing versatile connectivity. Supports multiple plug types: UK, AU, US, and EU for broad compatibility. Each adapter rated up to 250V and 13A, ensuring safe use with standard devices. Compact and portable design for easy packing and storage. 20 pieces in the set, allowing for multiple uses or sharing among family members. Simple plug-and-play operation without needing additional tools. Durable construction to withstand frequent travel and plugging/unplugging. This adapter set fits well for international travelers, business professionals on global trips, or households with visitors from overseas, providing reliable connections for everyday electronics.

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This 3.5-inch touchscreen display serves as a compact alternative to HDMI monitors for Raspberry Pi users, offering a direct interface for system monitoring and interaction. In practical use, it's helpful for developers and hobbyists working on portable projects, such as building a custom dashboard for home automation or field data logging, where a lightweight screen simplifies viewing and controlling Raspberry Pi outputs without needing external peripherals. Features a 320x480 pixel TFT LCD with LED backlight for clear visuals in various lighting conditions. Includes an XPT2046 touch controller for responsive, accurate input via SPI interface at up to 32MHz speed. Compatible with Raspbian systems, supporting automatic driver installation for seamless setup. Allows video playback, photo capture with multiple camera modes, and software keyboard for keyboard/mouse-free operation. Operates on Linux Core vision 3.18.9, ensuring reliable performance with Raspberry Pi's official UI. Color depth of 65,536 levels for vibrant display of graphics and interfaces. This display fits well in scenarios requiring a space-efficient, touch-enabled screen for Raspberry Pi-based applications, making it suitable for educational projects or prototyping where portability is key.

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The GSM SMS Alarm Module provides a reliable solution for sending custom security notifications via SMS or calls when triggered by a switch signal. In practical scenarios, this module suits applications like home security systems or industrial monitoring, where it detects events—such as a door opening or power loss—and alerts preset contacts with user-defined messages, ensuring timely awareness without constant oversight. Triggers an SMS or call when the input port connects to ground, allowing for personalized alarm content. Easily integrates into other devices for seamless remote alarm functionality. Includes a built-in rechargeable lithium battery for backup power, sending alerts even during main power outages. Supports customizable messages for both alarm events and when conditions return to normal. Operates on a DC 5V-15V power supply for versatile compatibility with various setups. Features simple setup, making it accessible for DIY enthusiasts or professionals needing quick installation. This module fits well for users seeking an effective, low-maintenance way to enhance security in environments prone to unauthorized access or failures, offering peace of mind through dependable notifications.

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This universal travel plug adapter offers a UK socket design, making it a practical choice for connecting devices across various global regions. For travelers or expatriates, it's useful for powering electronics in countries with different outlet standards, such as charging phones or laptops during trips to Europe, the US, Australia, or the UK, without needing multiple adapters. Supports UK, AU, US, and EU plugs for versatile compatibility. Handles up to 250V and 13A, accommodating a range of device requirements. Compact and lightweight, easing storage in travel bags. Facilitates safe connections to international electrical systems. Durable build to withstand frequent use in various environments. This adapter fits well for individuals who travel often or live in regions with inconsistent power outlets, providing a reliable option for everyday charging needs.

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This LandaTianrui 80cm USB to RS232 serial adapter cable offers a straightforward solution for connecting USB-enabled devices to equipment with RS232 serial ports. It facilitates data transfer between modern computers and legacy hardware without requiring complex setup. In everyday use, this adapter is helpful for technicians or hobbyists working with devices like modems, digital cameras, or industrial equipment, allowing seamless communication and data exchange in environments where serial connections are still needed. Converts USB ports to RS232 serial interfaces for broad compatibility with various peripherals. Supports up to 1 Mbps data transfer rate, suitable for reliable connections in data logging or device programming tasks. Features plug-and-play functionality with hot-swapping, enabling quick connections without restarts. 80cm cable length provides flexibility for setups where devices are not side-by-side. Built for ease of use, helping to bridge gaps between new and old technology without additional software. Ensures stable connections for applications like cellular phone programming or ISDN adapters. Light specifications include a standard USB-A to DB9 connector design, making it a practical choice for users needing occasional serial connectivity in professional or personal projects.

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The GL09 Plus is a GSM alarm system designed for reliable everyday security monitoring. It uses cellular networks to send alerts, making it suitable for areas without Wi-Fi. In a typical use case, you might install it in a home or warehouse to detect intrusions or environmental changes, like smoke or low battery, and receive immediate SMS notifications or calls on your phone. Features eight alarm inputs with customizable SMS for each, allowing flexible setup for various sensors. Includes low-power sleep mode and real-time battery monitoring to extend device longevity in battery-powered setups. Supports a wide voltage range from DC5V to DC16V, ideal for diverse power sources. Allows setting up to six contact numbers for alerts, with options for NC or NO alarm modes. Compatible with iOS and Android apps for easy configuration via text messages. Specifications include compact dimensions of 8 x 5.8 x 2.2 cm, enhancing its portability for remote or mobile applications. This alarm fits well for users needing straightforward, remote monitoring solutions for homes, warehouses, or equipment, providing peace of mind through timely notifications.

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This universal travel adaptor supports plugs from major regions including Europe, UK, USA, China, Japan, Australia, and Spain, making it suitable for worldwide use. For travelers heading abroad, this adaptor simplifies charging multiple devices at once, whether you're exploring new cities or working remotely, by converting plugs without needing separate adapters for each destination. Compact design measures 61mm x 46mm x 56mm, easy to pack in your bag or pocket Includes four international plug types in one unit for versatile compatibility Built-in safety shutters to protect against dust and accidental contact Dual USB ports with 2.1A output for charging smartphones or tablets simultaneously Handles voltages from 100V to 250V, supporting up to 1440W at 240V or 660W at 110V Max current of 6A ensures reliable performance for everyday devices This adaptor fits the needs of frequent travelers or international business users seeking a dependable, all-in-one solution for global power compatibility.

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The 12V Time Relay Module provides reliable automated control for switching devices on and off based on set timers. In practical scenarios, this module helps in projects like managing irrigation systems, where precise timing ensures water pumps activate and deactivate at scheduled intervals, or in home automation for controlling lights and appliances. Supports DC 12V supply and triggers from 5V to 30V or a button press for versatile integration. Offers 27 working modes with adjustable delay times from 0.01 seconds to 999 minutes to suit various applications. Features a simple button interface (S1, S2, S3, S4) for easy mode and time settings, including decimal point adjustments. Relay output handles up to 10A, isolated for safe control of low-voltage or 220V lines. Compact dimensions of 63 x 42 x 20mm make it easy to incorporate into tight spaces. This module is well-suited for electronics enthusiasts, hobbyists, and professionals working on timing-based automation, offering straightforward solutions for precise control needs.

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This Bluetooth stereo amplifier board is a compact component for DIY speaker builds, providing wireless audio connectivity via Bluetooth 5.0. For audio enthusiasts working on custom speaker projects, this board simplifies integration by offering easy volume control and compatibility with various power sources, ensuring stable performance in home setups or portable systems. Adjustable volume potentiometer with an integrated switch for straightforward audio level management. Copper DC connector designed to handle high currents without overheating, promoting reliable operation. Solid 470uF capacitors for effective power storage and heat dissipation, supporting consistent sound quality. Free DC head lead for versatile wiring, compatible with standard adapters or batteries. Bluetooth 5.0 technology for improved transmission efficiency up to 15 meters without obstacles. Built-in self-recovery protections against overheating and short circuits for added safety. With dimensions of 55 x 38 x 17mm and made from durable ABS plastic, it's suitable for users assembling speakers rated 30-200W and 4-8 ohms, fitting well in projects requiring efficient, space-saving audio amplification.

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This universal travel adaptor supports plugs from major regions including EU, AU, UK, and US, making it a practical choice for international trips. For travelers heading to Europe, Asia, or beyond, this adaptor simplifies charging devices by converting plugs without needing multiple converters, helping maintain connectivity while on the go. Compact one-piece design for easy packing and portability Includes adaptors for EU, AU, UK, and US plugs, compatible with outlets in Europe, UK, USA, China, Japan, Australia, Spain, and many other countries Built-in child protection safety shutter to prevent accidental access to live parts Power indicator light to show when the device is active Surge protector to help safeguard electronics from voltage spikes Ideal for frequent flyers, business travelers, or anyone needing reliable plug compatibility across various destinations.

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