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Electronic PCB Assembly Machines and Tools. What is an Electronic Circuit. Karl Friedrich Gauss and Wilhelm Eduard Weber. Hermann Lud-wig Ferdinand von Helmholtz. Electronic PCB Assembly Machines and Tools.

People, who communicate a lot through phone calls, find it easy to carry more than one mobile phone to simplify their tasks. Ironically, carrying more than one mobile phone is a more tedious task. Imagine a rush hour, phone calls on all your handsets and all chaos. You would never want such a situation. A simple way out is a dual sim mobile phones is a handset that can hold two sim cards at the same time. A dual sim feature has more benefits than single sim mobile phones. Using mobiles with dual sim feat.

Electrical and Electronics Tutorials and Circuits. OR and AND logic gates made with diodes. OR and AND logic gates made with diodes. The Diode Logic uses the fact that the diodes conduct only in one direction. Water Level Controller Circuit using Transistor and Relay. Rain detector using two transistors. This rain detector using two transistors, is a simple circuit that aims to alert the beginning of the rainfall.

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