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Accessories
3.5mm Female Stereo Audio Jack PCB Mount Connector
- Standard 3.5mm female stereo audio jack for TRS plug compatibility
- PCB through-hole mount design for secure and stable board integration
- High-quality metal contacts ensure reliable stereo audio signal transmission
- Compact, durable construction ideal for DIY and professional audio projects
- 3-pin configuration: Tip (Left), Ring (Right), Sleeve (Ground)
- Easy to solder with long service life and low contact resistance
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Sensors And Modules
INA219 Bi-Directional DC Current Sensor Power Supply Module
- High-precision DC current, voltage, and power monitoring based on Texas Instruments INA219 IC
- Bi-directional current measurement up to ±3.2A with built-in 0.1Ω precision shunt resistor
- I²C digital communication interface for easy integration with Arduino, ESP32, Raspberry Pi, and STM32
- Measures bus voltage from 0V to 26V DC with 12-bit ADC resolution and 0.8mA current resolution
- Ideal for battery monitoring, solar systems, power supply measurement, and IoT energy applications
- Low power consumption and compact design perfect for portable and embedded projects
- Wide operating voltage range of 3V to 5.5V DC with programmable calibration and gain
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Accessories
Street Road Light Auto Operated Control Switch 220V 10A
- Automatic dusk-to-dawn light control with built-in photosensitive sensor
- Operating voltage 220V AC with 10A maximum load current capacity
- Supports up to 2200W resistive loads for street lights, garden lights, and outdoor lamps
- Energy-efficient operation eliminates manual switching and reduces electricity consumption
- Weather-resistant design suitable for long-term outdoor installation
- Easy wiring and installation for residential, commercial, and industrial applications
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Tech Tools and Instruments
Multi-Function Wire Stripper and Wire Cutter Tool 9-in-1
- 9-in-1 multi-function tool combines wire stripping, cutting, crimping, bolt cutting, and terminal handling
- Constructed from high-quality hardened carbon steel for precision cutting and long-lasting durability
- Ergonomic non-slip PVC/TPR handles reduce hand fatigue during extended electrical work
- Spring-loaded mechanism automatically reopens handles for faster, more comfortable operation
- Strips multiple wire gauge sizes cleanly without damaging conductors
- Crimps both insulated and non-insulated terminals securely onto wires
- Ideal for electrical installation, automotive wiring, electronics projects, and DIY repairs
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Beginner STEM Kits
DIY STEM School Experimental Suite Learning Kit for Kids 2000G
- Complete hands-on STEM learning kit with 2000G experimental suite for teaching science, technology, engineering, and mathematics
- Build and explore basic electrical circuits using batteries, wires, switches, bulbs, and other practical electronic components
- Reusable parts allow multiple experiments for school projects, science fairs, and classroom demonstrations
- Beginner-friendly design suitable for ages 6 and above with easy-to-assemble components
- Develops critical thinking, problem-solving skills, and understanding of electric current, circuits, and basic electronics
- Ideal for home learning, STEM workshops, parent-child activities, and educational science projects
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Beginner STEM Kits
DIY STEM School Educational Science Learning Kit for Kids XS9-K130-1
- Hands-on STEM learning kit that introduces basic electrical circuits and electronics concepts
- Easy-to-assemble components including wires, switches, bulbs, and motors for practical experiments
- Reusable DIY kit perfect for school science projects, classroom demonstrations, and home learning
- Develops creativity, logical thinking, and problem-solving skills through interactive experimentation
- Beginner-friendly design suitable for children aged 6 years and above with adult supervision
- Teaches fundamental concepts like current flow, open and closed circuits, and switch operation
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Beginner STEM Kits
STEM Surprising Chemistry DIY Learning Kit
- Hands-on chemistry experiments that make learning science fun and engaging for kids
- Complete DIY learning kit with all materials needed for exciting chemical reactions
- Develops critical thinking and problem-solving skills through interactive STEM activities
- Safe, age-appropriate experiments designed for young scientists and curious minds
- Perfect educational gift for children interested in science and chemistry exploration
- Includes detailed instruction guide with step-by-step experiment procedures
- Encourages independent learning while fostering a love for scientific discovery
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Accessories
E10 Mini Screw Type Socket Holder for E10 Bulbs for Science Projects
- Compact socket holder designed specifically for E10 mini screw-type light bulbs
- Features durable insulating body with reliable metal electrical contacts
- Provides secure mechanical fit and stable electrical connection
- Perfect for educational electronics projects, DIY circuits, and miniature lighting systems
- Easy to install, wire, and integrate into breadboards and custom electronic circuits
- Reusable design with long service life for multiple projects
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Accessories
E10 Mini Screw Type Round Light Bulb for Science Projects (1.5V/6V)
- Compact incandescent bulb with standard E10 screw base for easy installation
- Round glass design provides bright and uniform illumination
- Perfect for educational electronics projects, flashlights, and signal indicators
- Available in Voltages 1.5V and 6V
- Compatible with standard E10 lamp holders without soldering required
- Ideal for low-voltage applications, hobby circuits, and DIY electronics
- Lightweight and durable construction with reliable incandescent filament
- Easy replacement solution for miniature lighting systems and laboratory experiments
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Boards and Programmers
STC Auto Programmer USB-TTL Microcontroller Downloader Programmer
- Compact USB-TTL programmer designed specifically for STC 8-bit and 15-bit microcontrollers
- Built-in USB-to-TTL serial converter for fast and stable firmware downloading
- Automatic reset and programming support for efficient firmware uploading
- Plug-and-play USB interface compatible with Windows-based systems
- Ideal for students, hobbyists, engineers, and embedded system developers
- Works seamlessly with official STC programming software for easy integration
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Incubator and Poultry Industry
20mm 1.7MHz Ultrasonic Mist Maker Humidifier Fogger Ceramic Disk
- High-quality piezoelectric ceramic atomizing disk operating at 1.7MHz frequency
- Standard 20mm diameter compatible with most ultrasonic fogger modules and humidifiers
- Produces ultra-fine water mist through efficient ultrasonic atomization without heating
- Low power consumption with silent operation and long service life
- Ideal replacement part for humidifiers, mist makers, aroma diffusers, and water fountains
- Easy to install and replace in compatible mist maker holders
- Perfect for DIY projects, repairs, and maintenance applications
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Motors, Drivers and Wheels
High RPM Mini DC 380 Motor 6-12V DC 15000RPM
- High-speed brushed DC motor with compact and lightweight design
- Operating voltage range: 6V to 12V DC for versatile applications
- Durable metal housing ensures long service life and reliable performance
- High torque-to-size ratio ideal for robotics, DIY projects, and hobby applications
- Reversible rotation direction by changing polarity
- Easy integration into educational projects, cooling systems, and miniature machinery
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Sensors And Modules, Wireless Communication
Mini Solar Panel Plate 2V 225mA 0.45W (64x46mm)
- Compact mini solar panel with 2V output voltage and 225mA maximum current
- Maximum power output of 0.45W for low-power electronic projects
- Small dimensions of 64 x 46mm, perfect for portable and DIY applications
- Converts sunlight into clean, renewable electrical energy using photovoltaic technology
- Ideal for educational projects, Arduino experiments, robotics, and battery charging
- Can be connected in series or parallel to increase voltage or current output
- Lightweight, durable, and environmentally friendly solar energy solution
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Integrated Circuits (ICs)
PC817 OptoCoupler OptoIsolator IC (DIP)
- Provides electrical isolation between input and output circuits using infrared LED and phototransistor technology
- High isolation voltage of typically 5000Vrms for superior circuit protection
- Compact 4-pin DIP package for easy breadboard and PCB integration
- Low power consumption with fast signal transmission and high reliability
- Ideal for Arduino projects, power supplies, industrial automation, and signal isolation applications
- Protects sensitive electronics from voltage spikes, noise, and ground loops
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Integrated Circuits (ICs)
LM348 Quad High-Gain Operational-Amplifier IC (DIP)
- Four independent operational amplifiers in a single 14-pin DIP package
- High voltage gain of 100 dB with internal frequency compensation
- Wide operating voltage range: ±5V to ±18V dual or 10V to 36V single supply
- Low power consumption with short-circuit protected outputs
- Ideal for audio preamplifiers, active filters, signal conditioning, and instrumentation
- Through-hole mounting for easy breadboard and PCB integration
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