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Raspberry Pi Zero: Ο ηλεκτρονικός υπολογιστής των πέντε δολαρίων.

Ο «Μηδέν» ανακοινώθηκε μέσω του επίσημου μπλογκ του Raspberry Pi στις 26 Νοεμβρίου 2015 στην τιμή των πέντε δολαρίων. Αρχικά πιστέψαμε πως πρόκειται για τιμή προσφοράς, για τιμή γνωριμίας με ...
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Dark-detector LED

The heart of this project is a photoresistor. A photoresistor is a type of resistor with resistance varying according to the light that strikes its surface. The project’s result is ...
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OR logic using NAND gates

OR logic is a basic digital logic. There is a specific gate for this logic, the OR gate. An OR gate gives a digital HI as output while even just ...
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AND logic using NAND gates

AND logic is a basic digital logic. There is a specific gate for this logic, the AND gate. An AND gate gives a digital HI output only when all of ...
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NOT Logic using NAND gate

NOT logic is a basic digital logic. There is a specific gate for this logic, the NOT gate. This gate is also called Inverter. An Inverter gives a digital HI ...
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Push-on LED

The project’s circuit is very simple. It consists of a LED (Light Emitting Diode) connected to a battery in series with a resistor and a switch. The result is a ...
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Meet the 7-segment display

Displays convert electrical signals to visual representations that have meaning to people. The 7-segment display is a simple device to display numbers or even some characters. The project’s result is ...
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Hello Electronic World!

The project’s circuit is very simple. It consists of a LED (Light Emitting Diode) connected to a battery through a resistor. The result is just a lit LED. This circuit ...
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Resistors in Series and in Parallel

There are two ways arranging resistors, series circuits and parallel circuits. In a series circuit, the resistors are arranged in a chain, so the current has only one path to ...
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Ohm’s Law

The power source V, leads electric current I through the resistor R. Thus we can say that the three quantities obey the law of Ohm. Ohm's Law relates the voltage ...
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