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+ Performs a different function than grounding requirements.

+ Protects equipment from high voltage surges from nearby lighting strikes.

+ Two stage protection : under 100ns-90V, over 100ns-12V

+ Wide range of applications : CCTV System, Antenna of television, Satalite receivers, FM receivers, Video Camera, Monitors, Multiplexers & Quad Processor, VCR, etc, 

  • Input Voltage: DC12V
  • Output: 20A Relay
  • Size: 48 mm (length) * 29 mm (width)* 22mm(depth)
  • Power Requirement: 12V200MA
  • Have fun with photos and art with included downloadable creative software - Autodesk Sketchbook Express & ArtRage Studio
  • Replaces your mouse and turns your computer into a digital drawing canvas
  • Battery-free, pressure sensitive pen and digital eraser helps you to draw thicker and thinner lines depending on how hard you push on the pen
  • Use your fingers to navigate, scroll, zoom your artwork with multi-touch gestures
  • Four customizable ExpressKeys that put your favorite shortcuts like undo or copy/paste at your fingertips
  • Connects to Mac or PC and works with any software program
  • Small Compact size, 8.3-by-7.0 inches, is perfect for limited desktop areas and can be setup for both left and right handed use
  • Work cord-free with Wireless accessory kit sold separately
  • WeMos D1 WiFi UNO Based ESP8266 shield For Arduino Development board
  • 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
  • 1 analog input(3.3V max input)
  • A Micro USB connection
  • A power jack, 9-24V power input.
  • Compatible with
  • Compatible with nodemcu

1) Rainfall display range: 0 to 19,999mm
2) Outdoor temperature range: -40 ~ +65°C (-40°F to +149°F)
3) Indoor temperature range: -9.9 ~ +60°C (-15.8°F to +176°F)
4) Temperature accuracy: ±1.0°C
5) Power requirements: 
  a) Receiver: 2 x "AA" alkaline batteries (not included)
  b) Rain gauge: 2 x "AAA" alkaline batteries (not included)
6) Transmission range: up to 100meters( 330feet)
7) Transmission frequency: 433MHz
8) Model : WH0531

1) Outdoor wireless sensor (range up to 100 meter)
2) Detail display of rainfall data in 1hour, 24hour, week, month
   and total since last reset(user selectable in inch or mm) 
3) Indoor   and outdoor temperature (°F to °C)
4) Time and date with manual setting option 
5) 12 /24 hour time mode 
6) Calendar 
7) Time zone setting 
8) Time alarm    
9) Free standing 

  • Wireless Type: Wifi 2.4 GHz 802.11b/g/n
  • Rated Voltage: AC100-240V 50/60HZ
  • Rated Current: 10A (MAX)
  • Working Temp: -20ºC ~ 50ºC
  • Working Humidity: < 80%
  • Shell Material: PC+ABS
  • Made of fine copper wire for better conduction
  • Flexible and insulation wrap copper wire wire for any electronic test use
  • Better heat resistance, it is resistant to high temperature up to 80℃
  • AWG: 26
  • Conductor Construction: 7/ 0.11mm
  • Diameter mm: 49
  • Insulator Thick: 0.41
  • Over Diameter mm: 1.3
  • Made of fine pure copper wire for better current conduction.
  • Flexible and insulation wrap wire, jumper wire suitable for any electronic test use

  • Better heat resistance, it is resistant to high temperature up to 80℃.

  • Widely use for laptop, motherboard, LCD display, breadboard, electronic test and PCB soldering.

  • Saiz: 14/0.26mm
  • Voltage: 300V / 500V
  • 100% Pure Copper Cable
  • Colour Available: Red/Yellow/Blue/Green/Black
  • Saiz: 28/0.26mm
  • Voltage: 300V / 500V
  • 100% Pure Copper Cable
  • Colour Available: Red/Yellow/Blue/Green/Black


  • Dimensions: 54x10x3.3mm
  • Weight: 2.5g
  • Voltage: 5V
  • Port: Digital
  • Platform: Arduino MCU
  • Application: Full-color module, Full color soft lights a lamp strip, LED decorative lighting, Indoor/outdoor LED video irregular screen.
  • Each Stick has ~18mA constant current drive,so the color will be very consistent even if the voltage varies, and requires 5V


  • Support XBee Series 1, Series 2, XBee Pro Series 1, Cytron’s BlueBee, RFBee
  • USB Plug and Play, offer USB to UART serial communication to XBee module, or other compatible module
  • 5V powered, with power indicator LED
  • On board Reset button
  • RX and TX indicator LEDs
  • RSSI and ASSOC indicator LEDs
  • 5V UART interface, ready for microcontroller interface
  • Low power consumption
  • Compact yet easy and reliable platform
  • As serial port replacement (wireless)
  • Dimension: 55mm x 40mm
  • Type: Temperature Controller
  • Voltage: 12v, 24v, 220v 
  • Power:120W, 240W, 1500W
  • Temperature control range: -50°C~110°C
  • Size : 60x45x31mm
  • Input voltage range:4~38VDC(Note:input voltage not exceeding 38V)
  • Output voltage range:1.25-36V continuously adjustable
  • Output current: 0-5A
  • Output power: 75W
  • High efficiency up to 96%
  • Built in thermal shutdown function
  • Built in current limit function
  • Built in output short protection function
  • Input reverse polarity protection: None (if required, high current diode in series with the input).
  • L x W x H =5.4*2.3*1.5CM