Circuits DIY – Page 304

IR sensors or infrared proximity sensors are dedicated sensors that can detect the presence of another object without any physical contact…

Police LED light flasher is a simple project that mimics the flashing pattern of siren lights installed on any law enforcement vehicle. It i…

A Power bank is a simple portable battery that uses a specific circuitry to control any power in & power out. The usage of power banks has i…

An Automatic Emergency light is essentially a backup light that goes off in case of a power outage or an emergency. Nowadays, they are manda…

PCBs are an important part of the development of any electronic product. They provide an easy & neat way of connecting components together…

PCB layout designing is integral to the PCB fabrication process. Most young engineers step into the PCB industry with no prior knowledge on…

Generally speaking, PCBs or Printed Circuit boards are a complex mass of insulators and copper traces that connect dense components to creat…

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…

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