daniel mandala
New Member
Hie everybody!
I need some information on how a buib(9 volts), an LDR, a variable resistor and maybe an NPN transistor can be used to detect smoke. I wanna build a fire alarm for my home. GOOD LUCK!
I need some information on how a buib(9 volts), an LDR, a variable resistor and maybe an NPN transistor can be used to detect smoke. I wanna build a fire alarm for my home. GOOD LUCK!