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This LED board displays a maximum of 46 characters scrolling speed is easily adjustable using buttons. It operates independently and all ope...
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How is it possible to power an LED with high brightness, the conduction voltage of 3 V with 1.5 V battery? That is what this article will te...
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diagram of the transmitter 1Circuit UM3750 UM86409 MM53200N 1Transistor ZTX321 ou MPSH10 2N2369A ou BSX20 ou BF494 ou BF254 7 Dio... -
This module display seven segment series giant to do everything you can (in combination with other platinum and a control) to set up tables ...
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Figure 1: Diagram of the detector of magnetic material. If you approach an object's magnetic core of Ferroxcube choke L1, the LED li...
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I have a small company whose premises consist of two long wings of the building and everything is served by three entries spread: Well ...
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We will present an economic system for remotely controlling any device, whether electrical or electronic. Its originality lies in its unus... -
LIST OF COMPONENTS R1 = 15 kOhm R2 = 100 Kohm R3 = 100 ohms C1 = 100 nF milfeuil C2 = 220 pF ceramic C3 = 220 pF ceramic C4 = 2-22 ... -
I) Presentation : The problem of signal transmission by audio frequency electromagnetic wave led in recent years of practical arrangem... -
With a PWM controller, this board allows very fine adjustment of the energy supplied (and thus the speed of rotation of the axis) to an...