Circuits DIY – Page 304

A 1.3V power supply usually acts as a replacement power for mercury cells & other small DC batteries. They have their use in small devices s…

An ON Delay Timer Circuit is a simple electronic circuit, which often serves to initiate time delays in different switching applications. Th…

A Power failure emergency lamp is a common electronic device, usually served in day-to-day households. They provide an easy and inexpensive…

A Lamp flasher circuit is perhaps, the simplest way for electronics to say 'HELLO WORLD' to us. It is a simple electronic circuit that provi…

Driving a 12V relay with a 3V supply is a common engineering practice. It is usually seen in small-scale electronics, the Process industry &…

±12V Dual Power Supply is essential for electronic hobbyists & technologists nowadays. They provide a simple, easy & cheap source of a relia…

A 12V Regulated power supply is an integral part of any DC supply unit used in electronic equipment. It serves as an interface between a wal…

9V Dual Power Supply is essential for electronic hobbyists & technologists nowadays. They provide a simple, easy & cheap source of a reliabl…

A 3V 1A DC supply is an important power supply unit (PSU) in use for academic as well as industrial purposes. It serves as an interface betw…

A Melody Generator is a common electronic circuit that acts as a melody-producing tool in various devices such as toys, appliances & instrum…

9V/5A regulated Power Supply units (PSU) are a common but important part of everyday electronics. They commonly serve with test equipment in…

A LED sequencer circuit or a ring counter is generally constructed by combining a clock pulse with a counter circuit. Usually, the input clo…

Sound-activated switches are designed to provide a mechanism through which one can turn on or off any electrical appliance remotely through…

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