Posted by Circuits Arena on Monday, 31 October 2016
Categories:
CIRCUITS,
LDR
Light Activated LDR Sensor Switch Circuit using IC LM 311 is the artlcle explaining Light Activated LDR Sensor Switch Circuit This Light activated switch based on National Semiconductors comparator IC LM 311 and LD...
Light Activated LDR Sensor Switch Circuit
This Light activated switch based on National Semiconductors comparator IC LM 311 and LDR. The relay gets ON when dark or LDR covered and relay gets OFF when lighted or LDR uncovered. Potentiometer is provided to adust the light sensitivity. LED indication is provided to indicate elay ON/OFF
Features
1. Excellent response.
2. LM311 Voltage Comparator on-board.
3. Circuit diagram with explanation included.
4. 5 Amp relay included.
5. on-Board connectors for supply and otput.
6. 9V battery included.
7. Vey good light sensitivity.