NE555_Light_Control_Circuit-3 Light-Dark_Control

These 4 circuits can be combine into only one circuit : 1. Unlight_Timing_Control 2. Flash_Control 3. Light-Dark_Control 4. One_Button_on-off_Switch _________________________________ Red marked resistor : Light Dependent Resistor : ----------There are 3 NE555s : -----Position in the circuit ; ---A NE555 : Right ---B NE555 : Left ---C NE555 : Middle ---A NE555 : Light the Red LED ---B NE555 : Do dark condition output ---C NE555 : Ready to Light the Green LED When Red LED had been lighted ----------There are 3 LEDs : Red LED : Operation LED Green LED : Standby LED Yellow LED : Flashing condition LED ----------There are 2 buttons : -----Position in the circuit : A Button : Middle B Button : Right A Button : Light the Red LED B Button : Unlight the Red LED

published 10 years ago