Working of LDR controlled LED using Arduino. As per the circuit diagram, we have made a voltage divider circuit using LDR and 100k resistor. The voltage divider output is feed to the analog pin of the ...

As a dark sensor, the circuit will output as HIGH when it’s dark and a LOW when there’s light. The output from the LDR op-amp circuit can be used to drive an LED directly or via Arduino. In this ...

Light Following Robot Circuit Diagram. We're diving into the hardware side of the Light Following Robot project, and things are getting exciting. Below is the circuit diagram for this project: The LDR ...