This tutorial show how to make a Flashlight Activated Remote Control Circuit. We can turn it ON using flashlight. It uses light sensor and this sensor is made with one transistor and special LDR that sees flashlight. This article tell step-by-step guide how to build flashlight remote circuit and how to use it. What is […]
LDR Circuits
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Automatic Day Night Switch Circuit
Saving electricity is very important and mostly in city where power is not enough. This article for Automatic Day Night Switch Circuit show how to make easy auto light switch. It turn ON or OFF light when outside light changes. This way people can save money on electric bill. What is a Automatic Day Night […]
Automatic Street Light Circuit using LDR
This article show how to use LDR and a relay to make a Automatic Street Light Circuit. Now many place uses LED street lights that turn on by itself, because people want to save energy! To save power these lights use LDR sensor to know when dark come. This article tell how to use LDR […]