Circuits DIY – Page 308

74LS145 is a member of the 74XXYY IC series. The 74LS145 is fabricated with the Schottky barrier diode process for high speed. The 74LS145 I…

This is the best circuit of an FM transmitter to broadcast your “voice or music” around the place. There are numerous circuits of FM transmi…

74LS151 8-to-1 Data Selector Multiplexer IC is a part of the 74XXYY IC series. The 74LS151 IC has a wide range of working voltage, a wide ra…

In this tutorial, we are demonstrating a project of a “simple FM transmitter” which is easy to make and does not require any expensive compo…

In this DIY tutorial, we will discuss a simple FM transmitter. It converts our sound signal into a radio signal so that it can be picked by…

The 74LS135 IC package contains four independent positive logic 2-input exclusive OR (XOR) Gates. It is the part of 74XXYY IC series. The 74…

74LS137 is a member of the 74XXYY family of TTL logic gates. The chip is designed for decoding or de-multiplexing applications and comes wit…

The 74LS138 decodes one of eight lines dependent on the conditions at the three binary select inputs and the three enable inputs. It is inte…

The 74LS132 IC package contains four independent positive logic 2-input NAND Gates with Schmitt trigger inputs. It is the part of 74XXYY IC…

The 74LS125 IC package features four independent 3-State Bus Buffers. It is the part of 74XXYY IC series. The 74LS125 IC has a wide range of…

Waking up in the morning is quite a task for many people. The aim of this project is to build an alarm clock which will help people go get u…

In this tutorial, we will demonstrate a dark-activated LED fader and its working. This dark-activated switch will activate the relay to oper…

A laser-based security system is a type of security alarm that uses a light sensor and laser light. In this tutorial, we are going to demons…

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