11 Dec, 2019
It is a robot car which is used to avoid the obstacles coming in its way.
21 Dec, 2019
Automatic Street Lights uses LDR sensor to switch on or off the lights.
01 Feb, 2020
During World War II, many countries were made radar secretly. In 1940 US Navy acronym Radar word from Radio Detection and Ranging..
09 May, 2020
A Light Dependent Resistor LDR is also called a photoresistor or a cadmium sulfide CdS cell.
29 May, 2020
A Bluetooth module is used to receive command from android phone and Arduino UNO is used for controlling the whole system.