This is the new SainSmart UNO R3. The new ATMega16U2 chip allows for faster transfer rates and more memory. No drivers needed for Linux or Mac

• Adds SDA and SCL pins next to the AREF.
• Two new pins are placed near the RESET pin. One is the IOREF that allow the shields to adapt to the voltage provided from the board. The other is a not connected and is reserved for future purposes
• Works with all existing shields but also compatible with new shields that require the additional pins.

This is UNO + 16x2 LCD Keypad module bundle

• 16x2 LCD Keypad module for  Diecimila Duemilanove, UNO, MEGA1280, MEGA2560  board.
• Blue Backlight with white words, adjustable backlighting.
• 4 Bit LCD Library
• 100% brand new and high quality

OWON VDS series PC oscilloscope attracts more eyesight from the market upon with its ultra-thin body design - only 18mm of body depth, which is much portable, and its USB powering facilitates mobile tests under powerless conditions to the largest degree.

• 25MHz bandwidth, and 100MS/s real-time sample rate
• Friendly UI : FFT, or X-Y, and waveform 2 views displayed
• Multi-trigger option : edge, video, slope, pulse, and alternate
• USB bus powering, and LAN remote control (optional)
• Ultra-thin body design, easy portability

Still looking for a completely professional calculator with full functions to work and save your time? The SainSmart Vecus V1 Scientific Calculator can absolutely help you. No matter high school student, college student, teacher or engineer you are; No matter Advanced Mathematics, Geometry, Algebra, Trigonometry, Statistics, Calculus or Biology you major in, This professional calculator will be the perfect tool for you.

• New equation mode
• Random integers
• Standard functions
• Combination and permutation
• 9 variables
• CALC function
• SOLVE function

This 7 inch display features with capacitive touch control. It supports Raspberry Pi, and driver is provided which works with custom Raspbian directly. 

• 800×480 high resolution
• HDMI interface for displaying, USB interface for touch control
• Back light control to lower power consumption
• Supports BB Black, comes with related images like: Angstrom
• Supports Banana Pi / Banana Pro, comes with related images like: Lubuntu, Raspbian
• Can work as a computer monitor (touch function is unavailable in this case)

Wind volume of Saike 852D+ is adjustable, induction switch on hand held, when you grasp hand held, it will work, and when you put it down, it will stop work.<br />Saike 852D+ is also with brushless wind motor, long life and low noise. Suitable for SOIC, CHIP,QFP,PLCC,BGA, heating shrink, drying, lacquer removal, viscidity removal, ice-out,pre-heating and glue soldering.