Twilight switch circuit with operational amplifier and LDR

Twilight switch circuit with operational amplifier and LDR

This Twilight switch circuit activates a light, a lamp, a motor, etc., at the time of sunset and performs the reverse process at dawn.

This is an ideal circuit for activating a security light that must be on all night.

  •  
    71
    Shares
  • 71
  •  
  •  
  •  
  •  
  •  
  •  
  •  
Light-Emitting diode connected to 120/240 VAC

Light-Emitting diode connected to 120/240 VAC

Light-Emitting diode connected to 120/240 VAC Caution: This circuit is connected directly to the power line (120 / 240 volts AC), so you must take special care to test it. This circuit shows one or two LEDs (Light-Emitting Diode) directly connected to the outlet (120 VAC or 240 VAC). The reduction of the AC input voltage to […]

  •  
    71
    Shares
  • 71
  •  
  •  
  •  
  •  
  •  
  •  
  •