by Tarun Agarwal 10 years ago Know about Passive Infrared Sensor (PIR) with Projects For establishing wireless communication with a remote device, usually we use radio waves, optical radiations and sometimes acoustic waves. Basically, these types of wireless communications change their frequencies. All these communications...
by Tarun Agarwal 11 years ago Current Sensor and It’s Application Sensing variable current flow is a major requirement in frequent electronics systems and the strategies to do so are as an assortment of the applications themselves. A sensor is a unit that can determine a physical phenomenon and compute...
by Tarun Agarwal 11 years ago Heartbeat Sensor – Working & Application What do you mean by Heartbeat? A person’s heartbeat is the sound of the valves in his/her’s heart contracting or expanding as they force blood from one region to another. The number of times the heart beats per minute (BPM), is the...
by Tarun Agarwal 11 years ago Temperature Sensors – Types, Working & Operation Temperature is the most often-measured environmental quantity. This might be expected since most physical, electronic, chemical, mechanical, and biological systems are affected by temperature. Certain chemical reactions, biological processes,...