Just A Simple LED Indicator use for indicating to others about Whether you are inside your OWN MAN ROOM just to tell to others you don't want to be disturb or sort like that (Restricted RED LED) or when you're out of your Room(GREEN LED)
Specification
>Voltage Source-
AC/DC Inverter,Converter @ 9V 3A(300mA)
>>In case of Blackout
Use A Standard Heavy Duty 9V Battery
For EMEREGENCY POWER SUPPLY
Use 9V Battery
4Pcs-RED5mm LED
LED VOLTAGE(LV)-
1.8~2.0V(In my Case It's a 1.8V)
LED CURRENT(LC)-
20mA> 0.02A
4Pcs-GREEN5mmLED
LED VOLTAGE(LV)
3.5V
LED CURRENT(LC)
20mA> 0.02A
RESISTOR USED
360Ω ±5% (355Ω~365Ω) for the RED
280Ω ±5% (275Ω~285Ω) For the GREEN
NOTE
This is Just a Simple Diagram of A Signal LED, for further Improvements or Suggestion Please Comment or
If you would like to Edit and improve it Please do, and PUBLISH IT thanks
Please Note that you must Calculate
The Total Wattage of the Circuit to ensure Savings
P= I×V
= 3A×9V
=27W
27Watts/Hr
And that's a POWER EATER
Only use for Emergency, "Blackout
