Material i need to buld it:-A piece of paper
-Copper tape
-Tab wire
-A flux pen
-A 555 IC timer
-A 330ohm resistor
-A bc548 transistor (any NPN transistor will work)
-A phototransistor
-An IR LED
-2x 680nF capacitors
-A 5k pot
-An 1k resistor
What to do if your keyboard on the screen. And if there are dozens of screens: At CES, the Russian design Art Lebedev, the company shows upcoming Optimus Aux Optimus popularis keyboard with a mini and a series of six unique keyboard for data input devices on the key to the home screen.
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