SIMPLE CIRCUIT DIAGRAM OF LIGHT SENSOR
Simple LDR Circuit to Detect Light
Jun 19, 2016Light Detector Sensor Circuit Diagram: The circuit of light detector is very simple and easy to build with very few components. As you can see in the LDR circuit diagram, it can be a distinguished as two smaller circuits; a) Voltage divider made using LDR (LDR1) and a Potentiometer (RV1) b) Output (LED D1) in our switching circuit made using a transistor BC547 Q1.
Light Sensor Circuit | Circuit Diagram
Working of the circuit is simple, when the photoresistor or LDR receives light it will switch on the transistor 2N2222, when transistor become ON it will activate the relay switch and any equipment connected with the relay will become activated. The relay value should be used according to the operating voltage.
Light Sensor Circuit Diagram with Working Operation
What is a Light Sensor Circuit? The light sensor circuit is a simple electrical circuit, which can be used to control the (switch on and off) electrical load appliances like lights, fans, coolers, air conditioners, street lights, etc., automatically.
Simple Motion Sensor Alarm & Light | Circuit Diagram
This simple motion sensor alarm and light circuit is using a passive infrared sensor module also call PIR sensor module. The circuit will detect movement of any human, animal or an object at a distance of 5 to 10 meters depends on the sensitivity of the PIR sensor module and activates a buzzer and an LED for a set period of time.
Simple Light Sensor Circuit with Applications
The automatic light sensor circuit can be designed using various electrical and electronic components. The major components used in this circuit are light sensor (LDR), Darlington pair transistors and a relay. Before discussing about the working operation of the light sensor circuit,..
Light Sensor – Simple Circuit Diagram
This is a Portable light-level meter circuit with five-decade dynamic range. This uses a single cell battery as the power supply. To calibrate this circuit, use an appropriate illumination, then adjust R2 so that the output equals the reference. To make this circuit give output meter follows standard light
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