Best Step Function Input Validation

13.56Mhz Card Reader, Access Card Reader, with 10*Access Card for Home Short-circuit Protection Secuity(IC, white)

  • Wiegand output/input, multi-function device, support for external Wiegand readers or for accessing card readers..
  • Fully independent access control, can directly realize user passwords, cards and other functions management..
  • IP65 waterproof, metal case, narrow bezel design, touch screen access controller..
  • Support card, password input through touch keyboard, card with password three authentication management..
  • Exit button and doorbell input function. Surge absorption protection..
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YOTOCAP 2x2 TV Wall Controller UltraHD 4Kx2K 1080P 60Hz Screen Splicing HDMI Input 4 HDMI Output 1x2 2x1 1x3 3x1 2x2 1x4 4x1 high-Definition Video Display Output Projector LCD TV etc

  • Support input 1920x1080P,24/30/50/60HZ, and lower resolution..
  • Support output resolution 1920x1080P 60HZ..
  • Support multiple splicing modes, easy to operate, plug and play..
  • Operation steps : 【STEP 1】Connect hdmi source to hdmi input with HDMI cable,connect hdmi output to TVs.【STEP 2】Connect 12V power....
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Pantum M6552NW All in One Laser Printer Scanner Copier Wireless Monochrome Black and White Printer Home Office - Print Copy Scan, Speed Up to 23 ppm, 50-Sheet ADF, 150 Large Paper Capacity

  • Highly cost-effective Multi-function 3-in-1 (without fax) with ADF laser printer. Fast and high definition printing up to 23ppm (Letter) in black and white.
  • Paper input capacity 150-sheet paper helps improve efficiency with less refills, One-step Wireless installation and Direct Printing.
  • Easy one step driver installation and direct printing. Connect with USB 2.0 and WIFI. Mobile device printing with IOS and Android system, Pantum APP available.
  • Office document direct print from mobile devices, Up to 1200 * 1200 dpi resolution, showing the original pattern incisively.
  • Note: For a better use experience, please kindly refer User Guide before use / Pantum Laser Printer comes with one-year limited warranty, If there is any issue about printer usage, please contact us via Amazon email for continued support.
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JIKADA 61 Key Portable Electronic Keyboard Piano w/Lighted Full Size Keys,LCD,Headphones,X-Stand,Stool,Music Rest,Microphone,Note Stickers,Built-In Speakers,3 Teaching Modes,Ideal for Beginner Adult

  • SUPERIOR QUALITY & UNLIMITED CONNECTION: This true full size 61 key keyboard piano is made of high quality with environmental ABS plastic, nontoxic and durable. The LCD display can simply and clearly displays the status of the functions being used. With audio input/output/microphone jack(with UDISK port),you can connect microphone and headphone(included), you will not interfere with others when practicing singing and playing late at night, fully enjoy the music..
  • TIMBRE & RHYTHM: JIKADA 61-key electronic music keyboard has two built-in stereo speakers, provide 255 tones, 255 rhythms, 50 demo songs and 61 types of keyboard percussion and give you high quality sounds and effects. With status memory function, you can save the tone, rhythm, tempo and other parameters to be changed during playing, for fast shifting..
  • 3 TEACHING MODES & PERFECT for ALL AGES: JIKADA 61 light-up keys keyboard piano with 3 powerful teaching modes, lead you to step by step from beginner practitioner to advanced level. And piano note stickers help you more easily to learn and memorize the music theory, musical notations and keys positions. Designed for beginners, adults and music l....
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Tecsun H501 Digital Worldband AM/FM Shortwave Longwave Radio with SSB Reception, Dual Speakers, & MP3 Player, Matte Black

  • 【HF VFO /RF Generator 】It has 10kHz to 220MHz working ranges. 0.5PPM high precise Tcxo clock, the frequency is more accurate. Tuning step of 1Hz, 10Hz, 1kHz, 5kHz, 10kHz and 1MHz..
  • 【VFO for Ham SDR HAM QRP Transceiver】 Used as a local oscillator on Homebrew radio receivers (such as superheterodyne, SDR, direct conversion and Homebrew QRP transceivers) , a simple RF/clock generator for calibration reference or clock generation,a common 128x64 I2C OLED SSD1306 display and Si5351 module..
  • 【Adjustable】Intermediate frequency (IF) offset (+ or -) is adjustable.The bar graph of the signal meter through the analogs input (ADC).I2C data transmission, only need 2 lines it can be connected to the display, with high stability and accuracy of frequency generation.
  • 【20 Band Presets】Equipped with generator function mode.Initial frequency, end frequency, sweep-frequency-step can be set. 20 band presets (shortcuts) for BCB and HAM frequencies.RX/TX mode selector for Homebrew QRP transceivers..
  • 【 Guarantee】 We providing 100% satisfactory service to every customer to make sure our customer can purchase with confidence. If you have any questions, please contact us, we will reply and improve in time..
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Voltage Boost Converter, DROK DC 8-60V to 10-120V 15A Numerical Control Step Up Voltage Current Adjustable Regulator Constant Module Output 48V 24V 12V Power Supply with LED Display Heat Sink

  • Realtime LED Display & Indicators --- The transformer board is designed with bright 4-digit LED to display output voltage, current at default simple mode. By manual setting to fully functional mode, the stabilizer would show more parameters, such as power and capacity. Also the board is equipped with working indicators to show real-time working status..
  • Data Save --- The boost converter can save up to 10 sets of parameter settings. It’s easy to save and very convenient to call out parameters at any time you would like to..
  • Wide Application --- The step up power converter does great for wind power, DC generators, solar panels to charge battery, and it also can be made as a boost power supply to power devices..
  • Notes --- 1) No big difference between input and output voltage. Otherwise the power loss will increase then the actual output may not be as what expected.
  • 2) Actual output current is mainly decided by the load. Converter can only set a limit on output current.
  • 3) When powering high-power appliances, please turn off the automatic output function, correctly connect the converter, and then press the "OK" button to output. After the voltag....
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DDCSV3.1 Upgrade Offline Stand-alone 4 Axis CNC Controller CNC Router Engraver Machine Motion Controller System Read G Code TFT screen 24VDC for CNC Carving Milling Lathe Machine/Servo/Stepper Motor

  • 5 inches TFT screen, resolution ratio: 480x272,17 operation keys.
  • 16 photoelectric isolated digital inputs,3 photoelectric isolated digital outputs.
  • USB flash disk support for G code file input,no size limited of the G-code file.
  • ARM9 main control chip,FPGA core algorithm chip.
  • The Power Supply for the controller is 24VDC,DDCSV3.1 needs two power supplies,main power is for system,IO port is for input and output ports, Current is not less than 1A.
  • Because of the IO power,system can supply the power for all IO ports.So no need the external power supply for IO port anymore.
  • 3.1 Version enhenced Algorithm,support soft interpolation,fixed arc interpolation bug of the old version.
  • Jog function for each axis (continuous, step, defined distance).
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DreamSourceLab DSCope U3P100 USB-Based Oscilloscope with 100MHz Bandwidth, 1GSa/s Sampling Rate, 2Gbits Memory, USB 3.0 Interface, 2 Channels

  • 2-in-1 Handheld Desigh -- 2-CH Oscilloscope multifunctional Handheld test instrument,Oscilloscope + multimeter ..
  • Easy to use -- 3.5-inch high-resolution,high-contrast color LCD display.
  • High reliability with self-calibion function.
  • SCPI supported through USB Type-C interface.USB Type-C interface,support power bank and PC software connection ..
  • Product Main Parameter--2-channel Oscilloscope input,40MHz bandwidth,250MSa/s real-time sampling,Max 8k record length.Auto ranging 20000 counts true RMS multimeter,Max AC 750V,DC 1000V input voltage.Independent input of multimeter and oscillo support relative measurement function..
  • Compact size-- with stand bracket suit for outdoor maintenance, rapid on-site measurement, automobile maintenance, power detection, etc.2pcs 2200mAh 18650 lithium battery, less then 3W power consumption can work continuously for about 6 hours..
  • Digital Oscilloscope Main Function --Cursor measurement function.
  • One key auto set function,easy to detect..
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Crying Alone In A Walmart Bathroom

  • Auxiliary Input, HD Radio Ready, Remote Control, Satellite Radio Ready, USB Input..
  • FM function(18 FM station memory), Volume control, Mute control. Multiple EQ scene selection: rock, pop, classical, etc..
  • EQ function(Only for MP3 Playback). Auto store / preset scan.
  • MP3 randomized, 10 track up / down playback..
  • Blue LED Screen, Time display, Built-in Bluetooth function, Remote control function. Supports advanced audio distribution profile..
  • Support USB / SD / MMC card reader. SD card slot, SD card have music into SD connect can to play. Digital FM stereo radio. Anti-shock mechanism,USB....
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4-Channel Mini Quad Video Processor with IR Remote + Multi-View Screen

  • ...een, PIP, picture-by-picture style or single channel full screen. Easy selection for main channel, sub/PIP channel via front push buttons or IR remote for best suited visual presentation. Supports RS232 long range control and camera control by RS485 connection. Supports time/date stamp and auto sequential switching function with adjustable dwelling time..
  • Supports programmable motion detection area and sensitivity levels for each camera/input. Flexible external alarm input/output configurations. Supports automatic video loss detection, motion detection, external alarm detection with buzzer sound. Built-in alarm buzzer can be manually enabled for motion detection, video signal loss or external alarm setup. Supports image freeze function, enabling video frames to be paused or captured for extended period of time..
  • High performance zoom function with selectable zoom area for detailed display. Border line On/Off function for use in split screen modes. Individual color adjustment provided for each video input channel for brightness, contrast, hue, saturation and sharpness control. Easy on-screen OSD setup menu for configuration and operation. 1U rack-mount ready..
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