Circuits DIY – Page 306

A flip-flop circuit's purpose is to switch ON and OFF an LED or the circuit connected to it by a certain pattern. The circuit here has a mir…

The automatic night light is an automation system in lighting. The circuit, with the help of LDR, automatically turns ON the 6 LEDs connecte…

The LED Flasher circuit outputs a Flip Flop manner LED blinking. The circuit uses NE555 timer IC along with a bridge rectifier to rectify th…

The 74LS164 is a high-speed 8-Bit Serial-In Parallel-Out Shift Register. The input Serial data is given through a 2-Input AND gate synchrono…

74LS159 is a member of the 74XXYY family of TTL ICs. This decoder utilizes TTL circuitry to decode four binary-coded inputs into one of sixt…

PCB designing is both an art and a science. There’s a ton of technical know-how and measurements to consider when dealing with trace widths…

74LS157 Quad 2 To 1 Line Multiplexer is a part of the 74XXYY IC series. The 74LS150 IC has a wide range of working voltage, a wide range of…

Many people want to tune in to their favorite music while driving. It has made numerous drivers rely on a cell phone, mp3 player, or another…

Electronic pianos are simple circuits that are usually seen in children's toys & doorbells. These circuits produce a musical sound or beep o…

RFID stands for Radio Frequency Identification; a term that refers to technologies that use radio frequencies to identify objects. RFID has…

In this tutorial, we are making a project of a loud door security burglar alarm. This circuit will activate an alarm that is louder than usu…

A simple and easy-to-make light sensor switch works with the detection of light in surroundings. The circuit uses only 5 components includin…

74LS155 is a member of the 74XXYY family of TTL logic gates. The design is intended for the chip to be used in high-performance memory-decod…

All projects