Foldable Plastic Stand for Cell Phones eBooks Smartphone White

Free metal wheel with white plastic support.
It allows a 360 ° rotation, wheel silently and without problems. Free metal wheel 360° with plastic support for robotics features:
- Main material: Polypropylene (PP), Steel.
- Main color: White, silver tone. - Dimensions of support: 50x24mm. - Ball diameter: 15.80mm.  

Digital microscope with 500x zoom, 8 LED lights and support for microscope included.
Discover the emotion of a completely new microscopic world, totally hidden from the naked eye.
This USB digital microscope can magnify objects up to 500 times its original size and uses a dynamic image sensor and eight super bright white LED lights to create detailed images.
Connect the microscope to your computer via USB and admire each image on your screen.
You can see details like skin pores, individual cotton threads, milky clouds or amber inside THC crystals or even small scratches in a collectable coin that would be impossible to detect with the naked eye, can be easily seen with this amazing USB digital microscope.

Version compatible with Arduino Nano V3.0
It has an ATMega328P chip running at 16Mhz with bootloader loaded factory.
Characteristic:
- Microcontroller: ATmega328
- Operating Voltage (logic level): 5V
- Input Voltage (recommended): 7-12V
- Digital I / O Pins: 14 (6 PWM outputs)
- Analog Inputs: 8 (A0-A7)
- DC Current per I / O pin 40 mA
- Flash memory: 32 KB (2 KB used by the bootloader)
- SRAM: 2 KB
- EEPROM: 1 KB
- Frequency Clock: 16 MHz
- USB Communication - CH340
- Dimensions: 18 mm x 44 mm

QWERTY mini keyboard with multimedia control keys and PC games control keys, mini touchpad for mouse control. Perfect for PC, laptop, Raspberry Pi, MacOS, Xbox 360, Xbox One, PS3, PS4, Android smartphones, TV Box, HTPC, IPTV, etc.

SONOFF SNZB-04 is a mini sensor for opening and closing doors and windows, intelligent and wireless by ZigBee, through its Bridge. Essential for intruder detection in a home automation system. 

- This 3D pen is suitable for ABS or PLA filaments of 1,75m
- Includes an LCD screen that allows you to read the temperature, speed and filament control
- It also comes with button controls to control the extrusion speed
- You can use this powerful 3D pen to draw, draw or trace objects on paper Blue 3D-Pen for ABS/PLA Filaments features:
- Input voltage: 12V
- Current consumption: 2A
- Diameter of the nozzle: 0.7mm
- Heating temperature: 160-230 degrees adjustable
- Ballpoint pen color: blue
- Filaments of random colors
- Includes PLA filament and power 100-240 VAC / 50 Hz - 12VDC / 2A
- Recommended for adults and children 8 years and older

The module has two outputs: analog A0 and digital D0
Digital output D0 - signal 0 appears or 1 depending on the threshold setting
The threshold is set with the potentiometer
The sensor can be used for example:
Automatic watering for potted plants
With this module you will be able to measure the humidity of the soil, so that you will be able to control the humidity level of the soil of your plants
Characteristic:
Operation: 3.3V -5V
- Sensitivity adjustable by potentiometer
- Dual output mode: analog and digital
- Red LED - power indicator
- Green LED - indicator digital switching output
- PCB measurements: 3 x 1.5 cm
- Probe measurements: 6 x 3 cm

Folding Plastic Stand for Cell Phones eBooks Smartphone Black features:
- The colors of the articles may vary a little from the photographs
- It should be used on a flat, level and stable surface
- Dimensions: 7.5 × 3.5 cm, height 6cm
- Color: Black
- Quantity: 1 unit