Light Seeker Circuit
Monish H. Nene1, Sanika S. Dongre2
1Monish H. Nene, B.E Tech, Department of Electronics Engineering, Vivekanand Education Society’s Institute of Technology, Chembur, Mumbai (Maharashtra), India.
2Sanika S. Dongre, B.E Tech, Department of Electronics Engineering, Vivekanand Education Society’s Institute of Technology, Chembur, Mumbai (Maharashtra), India.
Manuscript received on September 02, 2016. | Revised Manuscript received on September 12, 2016. | Manuscript published on September 15, 2016. | PP: 4-5 | Volume-4 Issue-7, September 2016. | Retrieval Number: G1003094716/2016©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: Light seeker uses two LDRs to find the difference between the intensity in two different directions. This circuit uses operational amplifier to amplify the small difference in voltage measured by LDRs. The amplifier stage’s output can further be used to control or send signal to microprocessor or microcontroller. The advantage of using this circuit is that it can measure the minute differences with utmost accuracy and it has no digital components thus it provides a wide range of operation. This circuit uses very simple electronic devices and thus it is very economic and useful.
Keywords: Light, LDRs, difference, economic and useful.