Light Or Dark Sensitive Switch Using CA741 Op-Amp

LIGHT OR DARK SENSITIVE SWITCH (1)

Light / Dark Sensitive Switch circuit is a simple project which operates a relay when the light falling on the LDR goes below or goes above a set point.

SCH

  • Input – 12 V @ 50 mA
  • Relay output – SPDT relay
  • 2-in-1 Project, either as light sensitive kit or dark sensitive switch
  • Onboard preset to set the level
  • Power-On LED indicator
  • Relay On LED indicator
  • Power Battery Terminal (PBT) for easy relay output connection
  • Four mounting holes of 3.2 mm each
  • PCB dimensions 50 mm x 54 mm
LIGHT OR DARK SENSITIVE SWITCH (2)

LIGHT OR DARK SENSITIVE SWITCH SCHEMATIC PCB & BOM

Leave a Reply

Your email address will not be published.