Posts by Syed Saad Hasan

The 74LS21 IC package contains two independent positive logic 4-input AND Gates, belonging to the 74XXYY TTL IC series. The 74LS21 IC has a…

The 74LS20 IC package contains two independent positive logic 4-input NAND Gates. It is the part of 74XXYY IC series. The 74LS20 IC has a wi…

The 74LS11 IC package contains three independent positive logic 3-input AND Gates. It is the part of 74XXYY IC series. The 74LS11 IC has a w…

The 74LS10 IC package contains three independent positive logic 3-input NAND Gates. It is the part of 74XXYY IC series. The 74LS10 IC has a…

PCB Layout Designing is an essential skill that every electronics enthusiast must-have. Whether he be a student, an industry professional or…

Printed Circuit Boards (PCBs) are electrical circuits created by laying printing tracks of a conductor such as copper on one or both sides o…

74LS08 Quadruple IC is a member of the 74XXYY IC series. There are four AND gates in the chip and each gate has two inputs, hence the name Q…

A Brake failure indicator circuit continuously monitors the braking system of any automobile such as a car, bike, or bus, etc. each & every…

74LS07 Hex Buffer/driver features high-voltage open-collector outputs to interface with high-level circuits or for driving high-current load…

What is a High Voltage Transformer? Would you like to learn how to make a high voltage transformer using a small no. of parts? High voltage…

Soldering iron is an electrical tool that is used to solder electrical & electronic components directly or on a Veroboard or a PCB. It is a…

What is a Spot Welder? Spot welders are electrical tool that is used to weld two metallic plates together by the application of pressure & e…