Get 5x7FT Abstract Brown Studio Vinyl Floor Backdrop Photography Background Features: Lightweight, easy storage and carry For photography, parties, bars, etc Color fidelity, waterproof, art effect Stereo sense is strong Material: cloth Size: 2.1 x 1.5m Note: In order to facilitate transport and packaging, will be folded cloth background shipments, resulting in creased Do not worry, do not affect to use, recovery method as follows: Cloth material, can use the iron, pressing the back Roll it up tightly with a cylinder, and waiting for 3-4 days Package Included: 1 x Photography Background 5x7FT Abstract Brown Studio Vinyl Floor Backdrop Photography Background See detail
Get TS-300B Turbidity Sensor Detection Module Water Quality Test Washing Machine Turbidity Transducer for Arduino Principle: Turbidity sensor TS-300B measures the turbidity (counter of suspended matter) in the wash water. Based on the optical principle, the sensor uses the light-emitting diode and phototransistor to receive the specific wavelength to measure the opacity or other substances of dirty water. concentration. By using phototransistors and light-emitting diodes, the light emitted by the sensor through the light-emitting diode source is reflected by the sewage, part of the light is transmitted to the phototransistor, and the turbidity of the water is calculated according to the amount of light received. Features: 1. The working principle the turbidity sensor: When light passes through a certain amount of water, the amount of light penetration depends on the amount of dirt in the water. When the amount of dirt increases, the ...
Get Rii Mini R900 2.4G Wireless Laser Pointer Presenter Remote Control for PPT Speech Meeting Teaching Presentation Features: Professional wireless mini remote and laser pointer combo. 2.4GHz wireless connection up to 10m operation distance (USB interface 2.4GHz receiver included). Real Plug and Play. Mini comes with the left and right click keys smooth in operation. Designed with a scroll wheel for page up & page down & ENTER function. Built-in laser pointer suitable for multimedia teaching meeting lecture training and other activities. Ergonomic design for comfortable operation. Stylish appearance and mini portable size. The USB 2.4GHz receiver can be stored in the battery compartment easy to carry. Apply to home theater car computer entertainment Tablet PC Android TV Box XBOX 360 HD player etc. RF mode: 2.4GHz RF Power supply: 2 x AAA Battery (not included) Operation voltage: 3.3V Weight: 40g Size: 120 x 37 x 27mm Package Includ...