Reviews Computer Electronic Supply

uxcell 20pcs 35mm Diameter Piezo Discs Piezoelectric Ceramic Copper Buzzer Film Gasket

  • Electromagnetic buzzer is composed of oscillator, electromagnetic coil, magnet, vibrating diaphragm and housing..
  • 3V DC low voltage power supply, suitable for alarm application of various electronics..
  • Widely used in computer, printer, copier, alarm, electronic toy, car electronic equipment, telephone, timer, etc..
  • Stable Performance, good practicability, high quality plastic and metal material, long service life..
  • The buzzer will issue long alarm in relatively high voice once powered on, safe and reliable to use..
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Dorhea ESP8266 ESP-12 NodeMcu D1 Module WeMos Lua 4M Bytes WLAN WiFi Internet Development Board + Relay Shield + 2.54mm 40Pin Single Row Male Pin Header - 3Set

  • The esp8266 module is 11 digital input / output pins, all pins with interrupt / PWM / I2C / support 1 line (except D0).
  • 1 analog input(3.2V max input). Micro USB connection.
  • WiFi internet development board 5V 1A switching power supply (switching power supply）onboard..
  • 5V relay shield is a digital switch to control much higher voltages and currents than esp8266 mini microcontroller, controlled by the D1 , the relay will switch to allow current to flow or turn off, depending on wiring..
  • 40 pin 0.1inch (2.54mm) male pin header connector PCB board pin strip electronic component, they are easy to be cut to any length if needed, you can cut or score with some electronic tool..
  • The pin header is an ideal connector for the PCB board and intergrated circuit, used widely in the computer and breadboard, compatible with raspberry pi or other electronic project..
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DIY Bluetooth Speaker Box Kit Portable Electronic Sound Amplifier Soldering Project DIY Kits with LED Home Stereo Speakers School Education Science Experiment and STEM Learning for Teens,Kids Adults

  • 【Bluetooth-compatible Amplifier DIY Kit】: The Soldering Project DIY Kits are used to installed to an electronic transparent stereo speaker with high-power speakers, LED flashing lights and transparent Acrylic shell. This Electronic DIY kit help you to learn basic electronic knowledge and circuit principles, and practice soldering skills enjoyably for you and your kids, or students, or DIYers..
  • 【Great Electronic Soldering Project】: Great project kit for soldering practice and also suitable for family education. Not only to improve your soldering skills, you will also will be more familiar with electronic components and learn more interesting electronics things. But please note,this soldering kit requires certain foundation of basic electronic theoretical knowledge and welding and hands-on ability..
  • 【Easy To Install】:The bluetooth module board is soldered and can be used directly after connection. You only need to solder the Led flashing light kit, connect the wires, and assemble the shell. Fun and entertaining, build your own bluetooth speaker by yourself, a cool project and challenging enough to be fun. About power: 5V mobile phone charger or computer power supply can be used, the sound quality will be better when the current of the power s....
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Gikfun Bluetooth Speaker Kit with LED Flashing Light Soldering Practice Mini USB Stereo Sound Amplifier DIY Kit for School Learning Project EK1979

  • The Soldering Project DIY Kits are used to installed to an electronic transparent stereo speaker with high-power speakers, colorful LED flashing lights and transparent Acrylic shell..
  • This is a beautiful speaker that is fun to build and nice to look at when finished, it is not only a practicing kit, but also a decorative gift for you. Build your own bluetooth speaker by yourself, a cool project and challenging enough to be fun..
  • The bluetooth module board is soldered and can be used directly after connection. You only need to solder the Led flashing light kit, connect the wires, and assemble the shell. About power: 5V mobile phone charger or computer power supply can be used, the sound quality will be better when the current of the power supply is 2A..
  • Two 3W 4ohm Speakers. Colorful LED voice control flashing lights, cool lighting effects. Support power off memory, support U disk or Ḅḷueṭooṭḥ to play music. Two control methods, Ḅḷueṭooṭḥ connection or infrared remote control..
  • Great project kit for soldering practice and also suitable for family education. Not o....
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12PCS Photosensitive Sensor Module Digital Light Intensity Detection for Electronic Practice DIY

  • Product Name: GY-271 QMC5883 L module (Triple Axis Compass Magnetometer Sensor Module/3 Axis Electronic Compass Module Magnetic Sensor Module/3 axis magnetic field module)..
  • Means of communication: IIC communication protocol.
  • High quality sink gold PCB, mechanical welding process, to ensure quality.The sensor converts any magnetic field to a differential voltage output on 3 axes..
  • Wide Application: GY-271 QMC5883L 3-Axis Magnetic Electronic Compass Module is small size of only 13 mm × 14 mm, it can be accommodated in small equipments such as drones reconnaissance aircraft and robot navigation system, mobile phone, laptop computer, car navigation system..
  • Package Includes: 2pcs * GY-271 QMC5883L Triple Axis Compass Magnetometer Sensor Module + 2pcs* Pin Strip..
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Compressed Air, MECO High Pressure Air Duster Blower Computer Cleaner Keyboard for Cleaning Dust, Hairs, Crumbs for Computer, Laptop, Tower Fans, Printer, Replaces Compressed Air Cans

  • 【High Pressure】MECO Compressed Air blows immediate and continuous high-pressure air to clean dust debris and dirt away from any Electronic device in your home or office. (Need to connect the power supply when using).
  • 【Multi-use】WIth 8 extra nozzle attachments making it an easily maneuverable versatile device. It can be used for any of your expensive electronic devices such as your computer, keyboard, laptop, copy machine, medical equipment, camera, etc..
  • 【Two Speeds Adjustable】There are two gears to adjust the speeds, which can adjust the high to low. This Electric computer Duster has a powerful 250~550 watt blower motor for long-term use..
  • 【Lightweight and Easy to Use】MECO Air Duster having an extra-long 10-foot cord and with a weight of only 1.9 pounds. Easy to use and allows you to maneuver around easily. (When using, DON'T put it on the table to block the air inlet, otherwise, it will cause serious heating or stop working.).
  • 【Environment Friendly】An alternative to compressed air gas. With landfills overflowing with non-biodegradable waste including compressed air cans, our computer cleaner is safe for the environment and for the cost of 8-12 cans of air cans you can own a MECO Air Blower..
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Allmax CR2032 Maximum Power Lithium Coin 3V Battery (10 Count) – Ultra Long-Lasting, 10-Year Shelf Life, Leakproof Design – Perfect for Key Fobs & Watches

  • ★ Maximum Power – Allmax CR2032 Maximum Power Batteries are premium grade, high-performance lithium coin batteries built with EnergyCircle Technology to supply 240 mAh of power to your electronic devices..
  • ★ Ultra Long-Lasting – Allmax CR2032 batteries are considered “ultra long-lasting” and have been independently tested to outperform standard lithium coin batteries. This means you can expect Allmax batteries to last longer..
  • ★ Leakproof Design – Allmax CR2032 batteries are designed to seal in materials and protect your electronic devices. This means Allmax batteries are perfect for daily household or business use, and perfect for your family’s needs..
  • ★ Longest Shelf Life – Allmax CR2032 batteries are always fresh and maintain power for up to 10 years in proper storage. This makes Allmax batteries the perfect choice for long-term storage and emergency preparedness kits..
  • ★ Maximum Performance – Allmax CR2032 batteries are built to supply maximum power to your electronic devices so they perform their best. This includes devices such as Apple Remotes, watc....
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Leviton RNL06-10Z Trimatron Universal Rotary Dimmer

  • Good solderability, cold resistance, heat resistance and humidity resistance..
  • Square switch, black round button, momentary contact, DIP 4 pin hole installation..
  • High-precision mechanism design, easy operation, perfect operation and long service life..
  • widely used in other fields connecting circuits, electronic products, household appliances and other equipment panels. Powerful tools for TV, audio equipment, computer, walkie-talkie, remote control, electrical equipment, etc..
  • Size: 6x6x5mm. Maximum power supply voltage: 30V. Rated current: 1A..
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Anti-Interference High Reliability 433MHz New Denoise Bandpass Filter BPF SMA Interface for Block Frequencies

  • Power supply EMI filter is a kind of reactance-type low-pass filter, installed at the power supply input of electronic equipment..
  • It can inhibit noise transmitted through grid power cable, and can inhibit high-frequency interference signals generated by the electronic device itself..
  • High quality imported components provide obvious filtering effect..
  • EMI has become a must have device installed in electronic equipment..
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R REIFENG 5pcs Mini PAM8403 DC 5V 2 Channel USB Digital Power Amplifier Board Module 2 * 3W Volume Control with Potentionmeter

  • ✔PAM8403 small mini 5 v digital power amplifier board (can be USB powered) (XY) board USES PAM8403 digital power amplifier chip, circuit is simple,....
  • ✔Working voltage of 2.5 V to 2.5 V, 3 wx2 maximum output, efficiency can achieve 90% above, can use computer USB 5 V power supply..
  • ✔The working voltage power supply positive and negative don't wrong, otherwise the chip has the potential to damage..
  • ✔Small size, and is equipped with switch, potentiometer, can follow one's inclinations of the volume, and control the power switch to use and....
  • ✔It is very suitable for battery and portable electronic products..
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