08-16-2017, 10:25 PM
ppt forautomatic light operated switch using ldr and ic741
Along with the modernization, people are more prone to the comfort zone. Several inventions have been made to meet this requirement. Following the same trend, here we have presented a simple circuit; automatic light operated switch using LDR and IC741. People are really busy, every second has vital role in our busy schedule.
Why shall we waste our valuable time turning on every switch in the building? The situation turns more troublesome when one needs to reach the ground floor just because it s getting dark and s/he needs to turn on the light. The importance of this circuit; automatic light operated switch is much felt in such traumatic situations.
Who will stay calm being victimized when the solution is right in front of us? To overcome such problems, you don t need to throw hefty sum of your hard-earned money. What you need to do is just connect the electric appliances you want to operate automatically with the circuit of automatic light operated switch. Then the switch will automatically turn on, LDR will serve its purpose and you will get your surrounding lightened without pressing the switch.