Circuits DIY – Page 311

The 74LS121 is a monostable Multi-vibrator with Schmitt-trigger inputs that features dual negative-transition-triggered inputs and a single…

You can find here a very useful automatic on and off relay circuit prototype. This circuit is commonly used for many purposes, such as a hea…

The dark activated relay switch is an electrical system that automatically turns on when there is no light and is disabled in the daytime. A…

The 74LS122 IC has a wide range of working voltage, a wide range of working conditions, and directly interfaces with CMOS, NMOS, and TTL. Th…

If you want your room lights to be according to your mood then you need to adjust them with a controller. Here in this article, you will lea…

Flip flop relay is an electrical circuit that acts as a bistable multivibrator it means it has two stable states that are on and off and the…

74LS116 belongs to the 74XXYY IC series. The 74LS116 IC has a wide range of working voltage, a wide range of working conditions, and directl…

555 flip flop led is a circuit that is used to produce a blinking effect of light. The circuit can enable more than one ultra-bright white L…

This is a circuit that can be used to flash two 10 watts 12-volt lamps in a car or any vehicle as a circuit for a Car brake light or headlig…

Morning/Sunrise alarm generates beep sounds and LED flashes according to the sunlight. The most fascinating aspect of this circuit is that t…

The 74LS109 IC contains two independent J-K positive-edge-triggered flip-flops. It belongs to the 74XXYY IC series. The 74LS109 IC has a wid…

The sequential sound-activated switch is an electronic device that helps you to turn on or off switches without moving yourself. The sequent…

74LS112 dual JK flip-flop features individual J, K, clock, and asynchronous set and clear inputs to each flip-flop. It contains two independ…

All projects