Gikfun Electronic Hourglass led DIY Kits Welding Practice Board Blue Ray EK1886

  • This is a beautiful electronic hourglass that is fun to build and nice to look at when finished, it is not only a PCB board for practicing welding....
  • Comes with English user manual and online PDF file, which will guide you how to finish step by step, perfect for school basic electronics experiment....
  • The suite adopts double layer PCB, and the circuit consists of 30 pieces white LED blue ray..
  • Under the control of MCU program, it displays analog hourglass image..
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XBERSTAR 2PCS-3S 12.6V 18650 Lithium Battery Charger Protection Board PCB BMS Cell 40A Module

  • Enhanced version:Suitable for electric drill with starting current below 80A and power below 130W .(without balanced function).
  • 3S 12.6V 40A lithium battery protection board.
  • Scope: Nominal voltage of 3.7V, lithium battery full of voltage 4.2V , including 18650,26650, polymer lithium battery.
  • Suitable for starting current below 80A, power 170W below the drill,Balanced version with balanced charging..
  • Package include:2 x PCB BMS Protection Board.
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Ili9341 LCD Display Module, ILI9341 5V/3.3V 2.8\ TFT SPI Serial Port LCD Touch Panel Display Module, 240x320[with Touch(9 IO Drive)](Without Touch)

  • With PCB board (including power supply IC, touch IC, SD card cage) compatible 5110 interface. At least 4 IO driver are needed (without touch) , at least 9 IO driver are needed( with touch). 2.8 inch TFT LCD color screen, support 65K color display, and the display is colorful, high quality image display and wide viewing angle..
  • This 2.8-inch LCD module uses ILI9341 drive chip to drive 240*320 dot , with 240*320 resolution..
  • On-board level translation programs truly perfectly compatible 5V / 3.3V IO level, supports a variety of single-chip IO connection, professional and practical..
  • We strive to provide you with the highest quality product and the best customer experience, if you're not entirely satisfied, please just feel free to contact us at any time..
  • Buy it Confidence: Let you feel safe using, so you have a better using experience. Great value for money. If you have any problems, please fell free to contact us anytime. Our team w....
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Aoicrie MKS Gen L V1.0 3D Printer Integrated Mainboard Controller PCB Board Compatible Ramps1.4/Mega2560 R3 with A4988 Motor Driver for 3D

  • Integrate 2560 and Ramps1.4 one PCB,which designed to avoid complicated connections, easier wiring and more stable Use high-quality 4 layer PCB&Use special power chip,support 12V-24V, also Use Run Marlin firmware,same as configuration way as Ramps1.4, it can replace Ramps1.4 directly..
  • Use high quality MOSFET tube,better cooling and more stable.Use special power chip,support 12-24V input,reduce the heated bed current to 1/4 that slove the Mosfet heat problem efficiently and power shortage..
  • Support a variety of stepper drivers: A4988,DRV8825,TMC2208 and TMC2100, and available to work with LCD2004,LCD12864,MKS TFT24/28/32/35 & Available to connect external large stepp drivers, A4988 driver board widely used in 3D printers and small CNC machines..
  • Support functions: Non-trace resumption after power off, run out filament ,and auto shut down, XTZ axis with different color terminal controls the motors and end stop,which is convenient to wire.Use high-quality 4 layer PCB&Use special power chip.Retail Servos,AUX-1 and AUX-2 interface of Ramps1.4 provide three 5V output and three 12V output interfaces..
  • Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step.Adjustable current control lets you set the maximum current ....
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KEYESTUDIO 16-Channel 12-bit Servo Motor Driver Board I2C Interface for Arduino

  • This expansion board can directly stack on the controller R3 board and can drive up to 16 servos.
  • Uses I2C input, just occupy A4 and A5 interface on the control board.
  • Contains PCB double sided holes, can direct to solder with components to build up prototyping circuits.
  • Servo power supply independent V + input up to 6V.
  • How to use: Search for "keyestudio wiki KS0258" in Google Chrome to get the wiki online tutorial for this product..
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WZRELB 3000Watt Pure Sine Wave Inverter 48V DC to 120V AC with 2 AC Outlets + AC Connect Terminal Block, 2 Sets of Battery Cables for RV, Solar Syste, Camping

  • 3000W continuous 6000W peak true pure sine wave solar power inverter, as good as grid power, power backup for home power supply..
  • Transfer 48VDC to 120VAC, 60Hz frequency, dual US outlets. Intelligent temperature control cooling fan. Earth connection for both PCB board and output. Digital LED display..
  • High quality true copper inductance, filter the wave form, ensure the true pure sine wave AC output, safeguard your equipment. All big imported mosfets with strong driving capacity..
  • The PCB thickness is 2.00mm, allow the stronger current floating on the circuit, increase the load capacity. High frequency transformer to transfer DC to AC , ensure the stable and full AC output.
  • Free standard battery cables and spare fuse for replacement. CE EMC approved.
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ASUS SBC Tinker board RK3288 SoC 1.8GHz Quad Core CPU, 600MHz Mali-T764 GPU, 2GB

  • High performance QuadCore ARM SOC 1.8GHz with 2GB of RAM -The Tinker board features the Rockchip RK3288 Soc with Mali – T764 GPU and 2GB of Dual Channel DDR3 memory.
  • Non shared GBit LAN, Shielded Wi-Fi with upgradable antenna support – Tinker board features a high speed non shared GBit LAN port for improved performance along with integrated shielded Wi-Fi for robust IOT & network connectivity.
  • Highly compatible PCB & Topology –Leveraging industry standard PCB & topology dimensions along with IO and connection placement, Tinker board offer extensive compatibility with SBC accessories & chassis..
  • HD Audio & HD & UHD Video Support – Tinker board supports HD audio 192/24bit audio along with accelerated HD & UHD ( 4K ) video playback support* requires use of Rockchip video player in TinkerOS.
  • DIY Friendly Design – Tinkerboard features multiple DIY friendly use features including a color coded GPIO header, silkscreen PCB and color coded pull tabs.
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Diyeeni 4-Channel 12V USB Control Switch Relay Module, Relay Board Computer Smart Switch Controller, PC Relay Module Expansion Board, Relay Board for Automation

  • Onboard square USB interface, stable connection..
  • Use imported high performance USB control chip..
  • Use the special relay drive chip ULN2803, the relay works more stable..
  • Board power socket and terminal, two ways to access the power supply are convenient and flexible..
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2Pcs SCT013000 Split Core Current Transformer SCT-013-000 Non-invasive AC Current Sensor 100A/50mA

  • Current sensor chips: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A [There are three specifications for the product 5A / 20A /30A. You can choose the specifications according to your needs.].
  • Pin 5V power supply, on-board power indicator.
  • The module can measure range 5 / 20 /30 amps, corresponding to the analog output 100mV / A.
  • No test current , the output voltage is VCC / 2.
  • PCB board size: 31 (mm) x13 (mm)[One package contains two products with the same parameters.].
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