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D-FLIFE 400W Adjustable Treble/Bass Frequency Divider Distributor 2-Way Speaker Audio Crossover Filters

  • Large capacity, reasonable design, beautiful appearance, quality achieve full self control..
  • The crossover soprano + available bass binary frequency sound box, can also be used in 2.1 the high small satellite box and automotive loudspeakers..
  • Inductance adopts anaerobic copper winding , and pure copper wire..
  • Implementing overall debugging, no welding, using very convenient, and listening to the sound effects can implement debugging control according to their own interests..
  • D-FLIFE 400W Ajustable Treble / Bass Frequency Divider Distributor 2-Way Speaker Audio Crossover Filters.
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Serounder Laptop External Independent Video Card Dock for Mini PCI-E Without Power Supply

  • 8p power output interface can connect 220W power supply and ATX cable with ATX desktop power. Reinforcement design for data transfer line. High quality electronic components. Isolation protection circuit. Use for engineering measurement, data collection, server debugging, GPU computing and other industrial applications, most of the graphics card to play the game..
  • Unsupported models:Not fit for Asus N55SF/N75SL/ASUS/A53XI24/1SV-SL/K43SD/A73S /K53SD/X8dij/A43s/N55SL/K45dr, Not fit for Lenovo E530/L430/E43/U410/E49/K49/G50-75M(New Add),Not fit for HP H533OM/6910/5310M,Not fit for Hasee ui45/EVI4,Not fit for Haier T68,Not fit for Acer 4739z/E1-451G,Not fit for Samsung 450R/270e5k/np450r5j-x05cn,Not fit for Dell 5437/N55SL.
  • Instructions: Disable the built-in independent graphic card in the BIOS and turn off the network. Update BIOS of the notebook to the latest version. (You can see the update method in the official website of your laptop.) Enter in Computer-Device Management-System. Disable PCI related port until the built-in independent graphics card is gone..
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Digital Oscilloscope with 2 Channels 120Mhz Bandwidth Signal Generator 500MSa/s Sampling Rate, 2.8" LCD Backlight Display, Waveforms Storage, 3 Scan Modes, XY/YT/Roll, FFT Spectrum, Single Trigger

  • ☑Updated 2 Channels & High Bandwidth：2CH oscilloscope, 120MHz bandwidth, minimum measurement range 10mV /div, 500MSa/s sample rate,advanced digital trigger system.Up to 120M bandwidth can easily cope with mearsurement testes in various fields. Such as mcu debugging, car repair, home appliance repair, personal DIY, electronic competition, power supply debugging, inverter, etc. It can also be used as a portable tool for on-site debugging..
  • ☑FFT Spectrum & Cursor Measurement: The professional portable oscilloscope with FFT display function, can analyze the spectral characteristics of the signal. Cursor measurement function, convenient manual measurement period, frequency and voltage..
  • ☑3 Trigger Modes & One-key AUTO: The DIY oscilloscope kit configured 3 trigger modes, auto/normal/single trigger. Support waveform parameter setting,such as time base, amplitude, trigger slope, etc. And Support waveform one-key AUTO to automatically adapt to the screen, no need to adjust parameters,convenient and accurate measurement..
  • ☑Signal Generator: The bottom of the oscilloscope can output a variety of waveforms of 2.5....
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CYSune Digital Logic Analyzer LA104 USB Mini 4 Channels 100MHz Max Sampling Rate Built in 8MB Flash Storage 2.8 Inch Oscilloscope

  • Machine introduction: LA104 is a four-channel logic analyzer with built-in screen and battery. The casing of LA104 is made of aluminum alloy through CNC..
  • Easy to use: It is compact and portable, making it easy for users to work on bench or outdoors..
  • The effect is obvious:LA104 has a 2.8-inch LCD display that allows the measured logic waveform to show directly on the screen, without connecting to other external display devices..
  • Multiple trigger modes: There are three serial protocol analyses: SPI, I2C, UART, supporting user-defined protocol mode.
  • Muti-functional: suitable for digital hardware verification and debugging, monitoring, measurement and optimization of digital hardware performance, and integration, debugging and verification of embedded software..
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4-20mA Generator, DROK Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing

  • AMP & VOLT DUAL SIGNAL GENERATOR: Multifunctional DROK signal generator kit is able to generate ampere & voltage by one module, which generate 0/4 – 20mA current signal and 0-10V voltage signal just by rotating a multi-cycle precise potentiometer, simple and handy..
  • CLEAR LED DISPLAY: Our 4-20ma signal generator has bright and clear 3-digit LED digital display screen, which can be used to monitor the output current and voltage. You just need to push the switch below the monitor easy to switch the display..
  • AMP & VOLT DISPLAY CALIBRATION: There are current and voltage display calibrating potentiometer on the back of the module. If the display is accurate, you can calibrate the display value of current voltage by yourself..
  • WIDE APPLICATION: Our signal adapter can be used as signal generator, valve adjustment, inverter control, PLC debugging, panel debugging, LED testing, simulating the output of transmitter..
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Bukefuno QY MP Pyramid 3x3 Magnetic Speed Puzzle stickerless Cube QY MP Pyraminx M Speed Cube(2021 Version)

  • This is the magnetic Pyramid 3x3 Cube in QY's latest MP series, the second flagship cost-effective Cube, professional quality is trustworthy.this Pyramid 3x3 has an unbelievably light and quick feel.Auxiliary homing, recovery is more handy..
  • The traditional stickers have been replaced with original and eco-friendly ABS material, which mean no fading,The brand-new bright six-color configuration, is highly recognizable。.
  • equipped with a small harpoon-shaped debugging tool, super simple and convenient debugging method. Open the center cover and turn counterclockwise to adjust the 5-speed wheelbase. You can check the numbers through the small round holes. Confirm the wheelbase.
  • more texture and avoid the scratches after the long-time using.different from the traditional built-in magnet positioning, a higher-end magnetic warehouse positioning system is adopted, the rotation is faster and more stable..
  • Solving puzzles and brain teasers are important activities that teach children to work hard on complex problems, increase their spatial awareness, develop a sense of space, and enhance memory. The perfect Christmas/birthday gift for kids..
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Development Board Module Kit Fit for 850/900/1800/1900 MHz GPRS/GSM Antenna, 5~26V

  • Computer debugging USB--TTL. This module is powered by: 5V-26V, 5V 2A power supply is recommended. After plugging in the motherboard, the power supply must be able to supply 2A. The reason is that the GPRS Shield startup current and the maximum top current required to work up to 2A, but the USB port can not provide such a large current, so the external power supply equipment must be provided..
  • The other power supply port leads to the 3.7--4.5V power supply for lithium battery power supply. The serial port is perfectly compatible. The TTL serial port is compatible with 3.3 and 5V microcontrollers..
  • Make sure your SIM card is not locked. The best baud rate for GPRS Shield communication is 19200 BPS 8-n-1 (GPRS Shield automatically matches baud rate by default). Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world..
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AOICRIE 3pcs Digispark Kickstarter ATTINY85 General Micro USB Development Board Module Compatible

  • 6 I/O Pins (2 are used for USB only if your program actively communicates over USB..
  • Support for the for Arduino IDE 1.0+ (OSX/Win/Linux)..
  • Power via USB External Source - 5v or 7-35v (automatic selection)..
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Oscilloscope Multimeter 2-in-1, Color Screen Intelligent Graphical Handheld Oscilloscope Multimeter 1MHz Bandwidth, 2.5Msps Sampling Rate, DC/AC Voltage/Current Test

  • ...orm refresh rate is up to 10000wfms / s. 2. Dual channel input, bandwidth up to 50MHZ, real-time sampling rate 250MSa / s, recording length up to 8k dots. 3. Cursor measurement function. 4.7 kinds of automatic measurement functions. 5. XY function. 6. One key automatic setting function, convenient for detecting and debugging..
  • Meter mode: 4 1/2 digits of the true effective value. 1. Standard voltage, current, resistance, diode, continuity, capacitance test. 2. Auto range function, convenient for testing and debugging. 3. The maximum input voltage is AC 750V, DC 1000V. 4. Independent multimeter and oscilloscope input. 5. Reading the wait function. 6. Relative measurement function..
  • USB Type-C interface supports not only power bank power supply, but also adapter charging and top computer connection. After connecting to the computer, the computer can recognize the oscilloscope as a USB flash drive and read saved images or CSV waveforms, which is useful for later viewing and analyzing waveforms or for sharing waveform data..
  • Save function: can save 4 groups of settings, 4 groups of reference waveforms, 4 images, 4 groups of waveforms in CSV format. The reference waveform can be displayed on the same screen as the measured waveform for convenient comparison ....
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