Circuits DIY – Page 309

Intercom Circuit is a bidirectional communication application for the ease of not-so-far-distant communication. The intercom is simple and e…

You have finished your design & have generated your layout, Gerber, BOM & pick and place (X - Y) files. you submit it to the PCB manufacture…

The use of PCBs in electronic devices can be tracked down to as late as 1936. With the passage of time & the increasing reduction in technol…

A doorbell, here described, is activated as soon as a door knock is heard on the door. It is simple, sensitive, and has a low-cost sensor-ba…

Morse Code encodes mainly all English Letters and numbers in standardized sequences. Each of the symbols is modeled into a sequence of Dashe…

Audio conversion to light LED circuits converts sound energy from the environment to electrical energy. The circuit is a combination of tran…

Here in this instructional exercise, we will give you a complete guide on how to make a "Morse Code generator using Arduino" in detail. Howe…

Call Detector Circuit are useful electronic circuits that can detect the presence of any transmitting RF mobile device nearby and gives a vi…

The Loud Siren Circuit is able to produce Ambulance Sirens, Fire Sirens, Machine guns, and Police sirens with the help of switching. This lo…

A very sensitive sound-activated LED circuit activates LEDs by even detecting distant sounds. This circuit here converts sound energy from t…

The sound effect generator is designed to produce multiple sound effects such as rain, waterfall, sea waves, wind river, etc. The circuit in…

A night lamp circuit is an automation system for lighting in rooms. The circuit is using an LDR to detect the darkness in the room. Addition…

The proximity sensor switch works such that there is a blockage due to a person or object in between the circuit. the circuit contains an LD…

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