Here are some DIY LDR switch circuits available on our website and the web. LDR switches are used to switch a relay or other device when light are present or absent. LDRs or Light Dependent Resistors ...

Witnessing its success, over 2,000 LDR devices have been set up in 600 gram panchayats of Hanamkonda, Warangal, Mahabubabad, Jogulamba Gadwal and Sangareddy districts.