Light Activated LDR Sensor Switch Circuit - DIY Kit for Electronic Projects - Price 599 Light Activated Switch (LDR Switch) - DIY Assembled Kit Circuit diagram with explanation included Light activated switch based on National Semiconductors comparator IC LM 311 and a LDR. The relay on when LDR covered and relay off when LDR uncovered. Adjust VR1 for light sensitive.LED will turn on at the same time with relay.
Brand: Pke - Fullfilled & Sold By P.K.Enterprises
Circuit Type: LDR Circuit
Also support Laser light system
works well both : Light & Laser