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3D Printer Control Board Back EMF Protection Powerful 520Kb RAM USB Update Firmware ESP32 3D Printer Motherboard with WiFi for Serial Screen

  • SUPPORT VARIOUS SCREEN: This is a 3D printer main control board with onboard ESP32 wifi, supports for Marlin2.0 firmware, in addition to ordinary....
  • 32 BIT MICROPROCESSOR: Built in ESP32 DOWD V3 chip, for Xtensa dual core 32 bit LX6 microprocessor, supporting clock frequency up to 240MHz.
  • POWERFUL AND VERSATILE: The main board adopt ESP32 WROOM 32U module, embedded dual core 32 bit high speed MCU, the clock is up to 240MHz. And....
  • 8M BYTE CHIP: In addition, the module has a built in 8M byte Flash memory chip, which provides effective protection for more application scenarios.
  • BACK EMF PROTECTION: VEXP has designed a protection circuit for the back EMF generated by the stepper motor, which greatly reduces the damage to the....
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PUL 2 in 1 Chewies & Clear Aligner Removal Tool Combo by The Pultool | Compatible with Invisalign Removable Braces & Trays Aligners Retainers & Dentures | Hygienic Durable Compact

  • 2-IN-1 ALIGNER SEATING AND REMOVAL: PUL System is the first and only 2-in-1 chewie and removal tool. It provides extra leverage to push aligners into....
  • SIMPLE & HYGIENIC DESIGN: The best hands-free way to remove tight, stuck and difficult to remove clear aligners. It allows you to easily & discreetly....
  • EASY TO USE: For Removing Aligners, simply use the finger ring or shoulders to help you grip the handle of the PULTOOL, latch the hook of the tool to....
  • DURABLE, SAFE & COMPACT: PUL System measures 3.1” x 1"x .48" and fits into your standard case for convenient storage and carrying. It is made with....
  • WIDE COMPATIBILITY: PUL is designed to work with Invisalign, Byte, ClearCorrect, and other teeth aligner brands. It can also be used to remove....
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PUL 2 in 1 Chewies & Clear Aligner Removal Tool Combo by The Pultool | Compatible with Invisalign Removable Braces & Trays Aligners Retainers & Dentures | Hygienic Durable Compact 1 Orange

  • 2-IN-1 ALIGNER SEATING AND REMOVAL: PUL System is the first and only 2-in-1 chewie and removal tool. It provides extra leverage to push aligners into....
  • SIMPLE & HYGIENIC DESIGN: The best hands-free way to remove tight, stuck and difficult to remove clear aligners. It allows you to easily & discreetly....
  • EASY TO USE: For Removing Aligners, simply use the finger ring or shoulders to help you grip the handle of the PULTOOL, latch the hook of the tool to....
  • DURABLE, SAFE & COMPACT: PUL System measures 3.1” x 1"x .48" and fits into your standard case for convenient storage and carrying. It is made with....
  • WIDE COMPATIBILITY: PUL is designed to work with Invisalign, Byte, ClearCorrect, and other teeth aligner brands. It can also be used to remove....
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30pcs Black NFC Stickers NTAG215 NFC Tag Fully Programmable,Round 25 mm/ 1 Inch NTAG 215 NFC Tags,504 Bytes Memory,Compatible with Android and All Other NFC Enabled Devices

  • 【Standard】：ISO/IEC 14443A-504Byte-13.56MHz..
  • 【Chip】：NTAG215 chip - same one used for amiibos，same factory makes tags for brand names.Compatible with all NFC-enabled phones and devices,....
  • 【Packing】：Including 80 pcs white NFC Ntag215 stickers in one Package..
  • 【Matters needing attention】：Use for NFC devices((Like NFC mobile phones),Can written by Tagmo works with switch, Can contain information or....
  • 【Aftersales-service】：YlQing is a professional NFC / RFID product manufacturer.If you have any questions, please contact us first, we will give....
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Hitachi Ultrastar 7K4000 4 Terabyte 4TB SATA 7200RPM 64MB Hard Drive - 0F14683 (Renewed)

  • 4 Terabyte capacity, SATA 6Gb/s interface, 600 MB/s transfer rate, 3.5-inch form factor.
  • 7200 RPM spindle speed, 64 MB data buffer, 8.0 ms average seek time, SMART command transport.
  • 171 MB/s sustained transfer rate, Sector size (bytes): 512e, Max. areal density (Gbits/sq. in): 446 (512e).
  • 2.0 million hours MTBF, Advanced Format SATA with 512-byte emulation (512e), Thermal Fly-height Control (TFC).
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Brother PT-P750W Label Maker Wireless/USB 2.0/NFC P-Touch Label Printer Portable Up to 24mm Labels Includes AC Adapter/24mm Black on White Tape Cassette

  • 【Packing specification】：The tag uses NXP NTAG213 chip, with 144-byte usable Momery.100pcs NFC NTAG213 stickers a pack..
  • 【Product standard】: NTAG213 is designed to fully comply to NFC Forum Type 2 Tag and ISO/IEC14443 Type A specifications. 25mm (1 inch) diameter....
  • 【Product features】:The NXP NTAG213 chip has a read-write lock function that can be repeatedly edited or read-only. Cannot be edited or reset after....
  • 【Matters needing attention】:Please make sure that your card reader supports such small size NTAG213 tags before purchasing.This NFC NTAG213....
  • 【After-sale service】:YlQing is a professional NFC / RFID product manufacturer.If you have any questions, please contact us first, we will give you....
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StarTech.com 2-Port PCI RS232 Serial Adapter Card - PCI Serial Port Expansion Controller Card - PCI to Dual Serial DB9 Card - Standard (Installed) & Low Profile Brackets - Windows/Linux (PCI2S5502)

  • 2 PORT PCI RS232 SERIAL ADAPTER CARD: Controller card w/ 16C550 UART based on ASIX MCS9865, 2x DB9 ports w/bi-directional RS232 speeds up to 115.2Kbps/port, 256 byte FIFO buffer & 9th data bit | Upgraded version of our popular cards PCI2S550_LP & PCI2S550.
  • TECH SPECS: Speeds up to 115.2Kbps | 16C550 UART | 256 byte FIFO buffer | 5,6,7,8 and 9 bit character | Even, Odd, No, Space or Mark Parity | Auto IRQ & IO assignment | Supports IRQ Sharing | ASIX MCS9865 Chip.
  • VERSATILE APPLICATIONS: Dual Serial Port PCI Card for PCI desktops/servers used in point of sale terminals, PLCs, CNC Machines, control/automation in factories, scientific sensors, medical equipment, scanners, oscilloscope.
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCI multiport serial COM card installs using 1x standard bracket (pre-installed) or 2x low profile brackets (incl).
  • Supports Windows 7 and up, Linux 2.6.x to 5.x.
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StarTech.com PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card (PEX1S1P950)

  • PCIe CARD WITH SERIAL & PARALLEL PORT: Using a x1 PCIe 2.0 slot, add a DB25 parallel & a DB9 RS232 port to your computer.
  • Card installs in full/standard profile PCIe slot.
  • Latest version of our popular PEX1S1P952.
  • TECH SPECS: Parallel Speeds up to 2.5Mbps | Supports SPP/Byte/ECP modes | Compatible with IEEE 1284 | Asix AX99100 chip | RS232 speeds up to 921.6Kbps | 16C950 UART | 256 byte FIFO buffer.
  • VERSATILE APPLICATIONS: PCIe expansion combo card adds LPT Printer & COM serial ports working with printers, scanners, plotters, point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, oscilloscope.
  • WIDE COMPATABILITY: PCI Express RS232 serial/parallel adapter card is compliant with PCI-E Base Spec. Rev. 2 & PCI Power Mgmt 1.2.
  • Windows (7 and up) Windows Server (2003 and up) and Linux (2.6.X and up).
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Azulle Byte4 Pro Fanless Mini Desktop PC 4GB/64GB with Logitech Keyboard & Webcam - Business & Home Powerful Portable Computer, WiFi, Windows 10 Pro- Celeron J4125

  • POWER VERSATILITY: The Byte4 Mini PC is a versatile alternative to conventional bulky computers. This desktop replacement includes Windows 10 Pro, dual-band WiFi, Ethernet, and 5 USB ports as an affordable mini computer for at home and work applications..
  • BUSINESS & HOME: Get rid of your noisy tower computer and connect the Byte4 to your business and office monitors for a spacious, modern, and silent office setup. Microsoft Office will help complete business or school tasks with this powerful device..
  • MEMORY STORAGE: Quad-Core Gemini Lake 41 Series Processor 4GB RAM 64GB storage for high-performance HD output of x1 2.0 4K at 60 FPS and a SD card slot that accommodates 512GB of memory with Bluetooth 4.0 compatibility and interchangeable RAM..
  • LOGITECH KEYBOARD: Receive a slim, media-friendly key layout. It eliminates any learning curve while adding easy-access volume controls, arrow keys, and touchpad. There is plug-and-play design and a receiver to make the setup of your TV keyboard a snap..
  • WEBCAM ACCESSORY: The 1080P HD Pro webcam features High Dynamic Range and low light correction technology for the highest quality of video and a dual noise-canceling microphone. Enjoy clear and smooth content on video chats and conference calls..
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StarTech.com PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Controller - PCI to Printer Card (PCI2S1P2)

  • PCI CARD WITH SERIAL & PARALLEL PORTS: Using one PCI bus, add a DB25 parallel & two DB9 RS232 ports to your computer.
  • Serial Parallel PCI Card installs in 2x full profile or 3x low profile expansion slots.
  • TECH SPECS: Parallel Speeds up to 1.5Mbps | Supports SPP/Byte/ECP/EPP modes | Compatible with IEEE 1284 | Asix MCS9865 chip | RS-232 speeds up to 115.2 Kbps | 16C550 UART | 256 byte FIFO buffer | 5-9 bit character | Even, Odd, No, Space or Mark Parity.
  • VERSATILE APPLICATIONS: PCI expansion combo card adds LPT Printer & two COM serial ports working with printers, scanners, plotters, point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, oscilloscope.
  • STANDARD PROFILE & LOW PROFILE BRACKETs: PCI multiport Parallel LPT & dual serial COM adapter card installs using 2x standard bracket (pre-installed) or 3x low profile brackets (incl).
  • Supports Windows 7 and up, Linux 2.6.x to 5.x.
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Texas Instruments TI-81 Graphing Calculator

  • Large and easy to read 8-line by 16-character display.
  • Graphs up to 4 functions and 3 parametric equations.
  • Easy-to-use display menus with advanced functions.
  • 2.4K byte memory stores up to 37 programs.
  • The Staff of Texas Instruments Instructional Communications (Author).
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Adafruit Ultimate GPS Logger Shield - Includes GPS Module

  • Easy-to-sew or solder pads for embedding in your wearable project.
  • Low cost enough, you can use one for every weekend project.
  • Ultra low power, draws only 9 mA while running.
  • ATtiny85 on-board, 8K of flash, 512 byte of SRAM, 512 bytes of EEPROM.
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