Thursday, October 14, 2010

LM358 and 005BB use of 4-wire resistance screen, four lines are: X1, X2, Y1, Y2
X1, X2 in the horizontal direction for a change in the resistance, Y1, Y2 for the longitudinal resistivity.
How do you know which line is a two x1 x2 y1 y2? Touch panel along the four lines above are facing their own look at the screen from top to bottom in the line is about on both sides of the x1 x2 is y1 y2. Established phone touch screens measuring four points of the voltage. Two 2.7V and two 0v . two voltage are measured after boot. 2.7 v is y. X is not the voltage.
After corresponding with xy can generally be connected. If the touch panel screen and click position opposite or reverse. Swap contrast x-y reversed.

Touch Screen IC LM358 and 005BB same. See X- X+ Y+ Y- reference my picture jumper.

Touch Screen IC LM358 and 005BB use of 4-wire resistance screen, four lines are: X1, X2, Y1, Y2
X1, X2 in the horizontal direction for a change in the resistance, Y1, Y2 for the longitudinal resistivity.
How do you know which line is a two x1 x2 y1 y2? Touch panel along the four lines above are facing their own look at the screen from top to bottom in the line is about on both sides of the x1 x2 is y1 y2. Established phone touch screens measuring four points of the voltage. Two 2.7V and two 0v . two voltage are measured after boot. 2.7 v is y. X is not the voltage.
After corresponding with xy can generally be connected. If the touch panel screen and click position opposite or reverse. Swap contrast x-y reversed.

Tuesday, October 12, 2010

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Friday, October 8, 2010

Many people do not understand the profession of electronic components

Many people do not understand the profession of electronic components,I am not particularly familiar for electronic components before already , enter in this industry,Know a lot of electronic components。
For example the LM358/LMV358MM are low voltage (2.7–5.5V) versions of the dual and quad commodity op amps, LM358/LMV324, which currently operate at 5–30V. The LMV321 is the single version.
The LM358/ LMV358MM / LMV358IDR are the most cost effective solutions for the applications where low voltage operation, space saving and low price are needed. They  offer specifications that meet or exceed the familiar LM358/LMV324.
Other electronic components for example BCV61C/DFH05/NMB - 1004KL have rail-to-rail output swing capability and the input common-mode voltage range includes ground. They all exhibit excellent speed to power ratio, achieving 1 MHz of bandwidth and 1 V/µs of slew rate with low supply current.

Many of the electronic components website,such as partinchina.com,The TBF,all of the world's leading platform for electronic components。