This is a circuit for a home security system that sets off an alarm when someone interrupts a laser beam that continuously falls on LDR of the circuit. A combination of 6 plain mirrors is used to direct the laser beam around the house to form a net.
This is a circuit for an appliance timer cum clap switch that can operate devices with a clap or can switch them on/off by setting an advance timer ranging from one second to 100 hours in advance.
This multipurpose listening device can detect very faint, remote sounds with a good clarity. It is useful in large conference halls, auditoria, cinema halls,...
This ultra-sensitive photodiode based fire detector protects your electronic devices like computer and television set. It uses a photodiode as the fire sensor and...
This is a circuit for a security system that can detect movement of any intruder through a transducer and activate any security device through a relay.
Infrared (IR) illuminators are widely used to improve the image-capturing quality of security cameras fitted in dark zones. Just like our eyes, cameras also...
Data centres play a major role in expanding the enterprise computing capabilities. These are a centralised repository for storage, management and dissemination of data...
There are concerns about the increasing use of robots and their role in society. Robots have replaced humans in performing repetitive and dangerous tasks...