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February 2020
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  • RS232 Connector Introduction

    25/02/2020 by

    The RS232 connector is a port for data exchange between devices. It is designed for data exchange between DTE (data terminal equipment) or PC and DCE (data communication equipment) or MODEM.

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  • Arduino Uno Introduction

    25/02/2020 by

    Arduino Uno is a microcontroller board based on 8-bit ATmega328P microcontroller. Along with ATmega328P, it consists other components such as crystal oscillator, serial communication, voltage regulator, etc. to support the microcontroller. Arduino Uno has 14 digital input/output pins (out of which 6 can be used as PWM outputs), 6 analog input pins, a USB connection, A… Read more

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  • 2N4401 Transistor Introduction

    17/01/2020 by

    2N4401 is a common transistor, which has some very good functions in its small package. The maximum collector current is 500 mA, which is enough to drive many loads in the circuit.

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  • BC548 Transistor Introduction

    17/01/2020 by

    BC548 is another widely used general-purpose transistor, which also has many excellent characteristics. It can be used in its electronic circuits, and it can handle a maximum current of 500 mA. Enough to drive many other components, such as ICs, other transistors, parts of circuits, relays, LEDs, etc.

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  • BC547 Transistor Introduction

    14/01/2020 by

    BC547 is a general BJT NPN transistor, which is mainly used for electronic lovers and educational electronic projects.

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  • BC557 Transistor Introduction

    14/01/2020 by

    Bc557 is a widely used PNP bipolar junction transistor made of TO-92 small package. It is a general-purpose PNP transistor, which can be used as a switch or amplifier in electronic circuits.

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  • S8550 Transistor Introduction

    14/01/2020 by

    The UTC S8550 is a low voltage high current small signal PNP transistor, designed for Class B push-pull audio amplifier and general purpose applications.

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  • Water Level Alarm by Using D882 Transistor

    14/01/2020 by

    The water level indicator uses a simple mechanism to detect and indicate the water level in the elevated water tank or any other water container. This paper will introduce the electronic project water level alarm by using D882 transistors.

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