Circuit diagram of brightness control relay


Posted on Nov 10, 2015

Shown for the brightness control relay circuit. Resistors R1, R2 and R3 form a light-sensitive resistor voltage divider circuit,


Circuit diagram of brightness control relay
Click here to download the full size of the above Circuit.

when the light is dark to a certain extent, VT1 base voltage rises to make VT1, VT2 conduction, the relay pull-J. R1 is used to adjust the motion sensitivity. The light trigger level circuit greatly influenced by the supply voltage and ambient temperature.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

cheap frequency counter
fm tracking transmitter circuit
how to interface rfid with 8051
IR Remote Control Receiver
Automatic Lamp Dimmer Circuit
ir remote control home appliances
circuit for ultrasonic parking sensor
pololu high current motor driver
Arduino Controlled Sip-and-Puff



Top