The 2SA1943 is a high power PNP transistor originally from Toshiba. Due to its high current gain and collector current it is very commonly used in High power audio circuits or AF amplifiers. But now […]
Continue readingMore TagAuthor: ettron
TIP120 Linear Switching Transistor
This is general purpose NPN linear switching power transistor, with its PNP complimentary as the TIP125. Its equivalence include TIP121 and TIP122, those also have their PNP complementary as TIP126 ans TIP127 respectively. It is […]
Continue readingMore TagDark activated LED Lighting system in Proteus
In this tutorial, you will learn how to simulate a dark activated LED lighting system in Proteus. A dark activated LED lighting system, is a device that turns on light, or say an LED when […]
Continue readingMore TagVoltage Level Indicator Circuit Using LM3914 Dot/Bar Graph
In this tutorial, you will learn how to simulate voltage level indicator circuit using the LM3914 Dot/Bar graph Driver. If you want to learn how to make a voltage level indicator with operational amplifier (op-amp), […]
Continue readingMore TagWhat is a Transistor, types and uses of transistors
Transistors are electronic semiconductor devices that can be used to design electronically controlled switch or signal amplifiers. A transistor controls a large current flow in a circuit using a small current flow, just like a […]
Continue readingMore TagDigital Scrolling Text Display in Proteus with MAX7219 and Arduino
I have previously made a project tutorial on how to design a digital scrolling text display with Arduino and P10 DMD module. In this tutorial, you will learn how to simulate a dot matrix display […]
Continue readingMore TagHow to make password based door lock system using Arduino
In this tutorial which comes with a video, we will discuss how to use the 4X4 matrix membrane keypad to design a password based door lock system with Arduino Uno, 4X4 matrix keypad, I2C, 16X2 […]
Continue readingMore TagHow to use 4X4 matrix keypad with Arduino
In this Arduino tutorial, I will teach you how to use a 4X4 matrix keypad/membrane keypad with Arduino. This keypad can be used in many smart applications in system automation and control. It can basically […]
Continue readingMore TagResistor colour codes, how to calculate resistor colour codes
In this electronic circuit design tutorial, we will learn resistor colour codes and how to calculate them. You might want to ask what is considered a large value of resistance and what is considered a […]
Continue readingMore TagWhat is a resistor and how to use resistors [complete tutorial]
In this tutorial, we shall discuss what is a resistor and how to use resistors. In the previous tutorial, we discussed electronic circuit design for beginners, and one of the points noted was that, to […]
Continue readingMore Tag