Crosslight announces that it has released the FDTD simulator taking advantage of Nvidia GPU. The new feature's presentation shows a huge bust in simulation spe...
One revolution that Leap Motion did is produced a lot of press to the short range gesture recognition for computer control. A few other companies presented their own versions of short range user interface middleware.Here is Lubek, Germany-based Gestigon video:Here is Erlangen, Germany-based Metrilus...
Digitimes: Taiwan-based DRAM vendor Etron announces that its single-chip 3D stereo gesture recognition image processor, the eSP870, which will be shipped to a China-based TV maker starting July.The eSP870...
PR Newswire: OmniVision reports financial results for the fiscal Q4 and fiscal year ended April 30, 2013. Revenues for the Q4 were $336.2M, as compared to $423.5M in the previous quarter, and $218.5M a year ago. GAAP net income in the Q4 was $8.9M, as compared to net income of $21.3M in the previous...
IEEE Spectrum: Assistant Professor Wang Qijie from Singapore’s Nanyang Technological University (NTU) presents a graphene image sensor that is said to be 1,000 times more sensitive to light than current...
Boston Business Journal has interviewed SiOnyx CEO Stephen Saylor. Few quotes:"In the first quarter of this year SiOnyx began generating its first product revenue — from defense industry customers — and now expects to expand its sales throughout the rest of the year."The technology can also be used...
Business Wire: Aptina announces that Phil Carmack has joined Aptina as CEO and as a member of the Board of Directors. Phil Carmack most recently served as the SVP for NVIDIA Mobile Business Unit which he established in 2003. Prior to his 13 years at NVIDIA, Carmack was the EVP of R&D at 3DFX which...
Infineon introduces a family of 3D Image Sensor chips for implementation of touchless gesture recognition. Developed in cooperation with PMD, the new chips are the first to combine a 3D image sensing...
Leti MEMS Workshop to be held in Barcelona, Spain on June 18, 2013 has a presentation on Wavelens - the recent Leti spin-off working on MEMS-based AF. The idea behind the new startup is shown on Leti...
Kasalis announces that it has completed fully functional builds of Pelican Imaging’s array cameras using its Pixid volume manufacturing systems.Kasalis provides a 6 degree-of-freedom active alignment...
The following Youtube video is said to show the capabilities to control the complete Win8 UI with gestures (click, double click, drag and drop, dedicated gestures for example to control the charm menus, … ). These capabilities are said to be used by PMD customers who aim at re-shaping the user experience...
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Semiconductor is a material which has electrical conductivity between that of a conductor such as copper and an insulator such as glass. Called semi or half-of-conductor because this material (in fact and literally) is not a conductor. You find semiconductors at the heart of microprocessor chips as well as transistors. Anything that's computerized or uses radio waves depends on semiconductors.
We call some material like copper, iron and tin as a good conductor, because these material have special arrangements on their atom. It makes their electron can move freely. Semiconductor material have special electron valence. If we see the insulator element, they have 8 electron valence. Internal electric charges do not flow freely, and which therefore does not conduct an electric current. If we want to release the electron valence, we have to create big and great energy to release the electron. So, we can conclude the semiconductor have more than 1 electron valence and less than 8 electron valence. And, we can conclude the semiconductor material is element which have 4 electron valence.
At semiconductor, the types of use is dependent into it temperature. If the temperature is down (cold), the semiconductor material become insulator. It is because there are none of electron who move. If the temperature is normal, there are electron who released. But the amount of electron released is very small. So it can't be called good conductor.
We have known there are many semicondutor as a Silicon (Si), Germanium (Ge) and Galium Arsenid (GaAs). Many years ago, we have use the Germanium as the main material to make semiconductor, but now technology have improved, and we can extract Silicon (one of the most material on the Earth) into semiconductor. So that, you may have heard expressions like "Silicon Valley" and the "silicon economy," and that's why -- silicon is the heart of any electronic device.
Aresistor is apassivetwo-terminalelectrical componentthat implementselectrical resistanceas a circuit element. It’s ability to restrict electric current is various depend on the value of the resistor itself. In this article, we will learn how to read the colour codes in resistor to know it’s value. Enjoy!
The common shape of resistor is like the picture below :
There are 3 kind of resistor that use the colour codes, they are :
Resistor with 4 colour band with 1 colour band as tolerance
Resistor with 5 colour band with 1 colour band as tolerance
Resistor with 5 colour band with 1 colour band as tolerance and 1 colour band as reliability
To read the resistor colour codes, we can simply look at the following table, and it can easily memorized too!!
To help you understand the table, we can try to read a resistor like the picture shown below :
To read the resistor code, follow these simple easy steps :
Place the resistor in front of you with the tolerance band (gold or silver) on your right side. Sometimes there will be no tolerance band, simlply find the side that has a band closest to a lead and make that the first band.
The first colour on your left is the first digit ( Brown = 1)
The second colour is the second digit ( Brown = 1 )
The third number is the third digit ( Black = 0 )
The fourth colour indicates the numberof zero to add ( Red = 2 ) (Gold, multiply by 0,1)(silver multiply by 0,01)
The fifth colour is the tolerance (Gold = ± 5%)
Therefore: a Brown, Brown, Black, Red, Gold resistor would be a 1 1 0 00 = 11000 ohms with a tolerance 5%
This can be written as 11,0 K.
Here are some othe exmple to help you understand more about the colour codes in resistor
Remember the colour codes with this sentences: Big Brown Rabbits Often
Yield Great Big Vocal Groans When Gingerly Slapped
(Black Brown Red Orangs Yellow Green Blue Violet Grey White Gold Silver)
Hope you understand more about colour codes in resistor, Good Luck Everyone :) (DEYA IKA WARDANI 112110038)
In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another. Switches turn electricity and electrical equipment on and off with ease, making a worker or lab tech's job simpler. They can shut off equipment in an emergency or provide instant access to power supplies when needed. There are two basic types of switches, electromechanical and electronic. Only electromechanical switches are discussed here
In the simplest case, a switch has two conductive pieces, often metal, called contacts, connected to an external circuit, that touch to complete (make) the circuit, and separate to open (break) the circuit, this type of switch, known as a single-pole switch, is commonly used in the home for turning lights on and off. The terms pole and throw are used to describe switch contact variations. The number of "poles" is the number of separate circuits which are controlled by a switch. For example, a "2‑pole" switch has two separate identical sets of contacts controlled by the same knob. The number of "throws" is the number of separate positions that the switch can adopt. A single-throw switch has one pair of contacts that can either be closed or open. A double-throw switch has a contact that can be connected to either of two other contacts, a triple-throw has a contact which can be connected to one of three other contacts, etc
The contact material is chosen for its resistance to corrosion, because most metals form insulating oxides that would prevent the switch from working. Contact materials are also chosen on the basis of electrical conductivity, hardness (resistance to abrasive wear), mechanical strength, low cost and low toxicity.
There are many different types of switches: toggle, rotary, push-button, "rocker", "pull-chain", slide, magnetic, mercury, timer, voice-activated, "touch-sensitive", and many others.