Simple DIY FIRE ALARM using PHOTODIODE, LED, Buzzer BC547 transistor

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This is a video tutorial on how to make a simple fire detection and alarm system.

Components needed are:
buzzer
bc547 transistor
led
470 ohms resistor
220 ohms resistor
Flame IR led

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Song: Symbolism
Artist: Electro-Light
Licensed to YouTube by: AEI (on behalf of NCS); LatinAutor, ASCAP, Featherstone Music (publishing), and 14 Music Rights Societies
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Wow ang galing naman gusto ko matuto ng banyan.

sanludz
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What happens if I bring a strong torch near the photodiode instead of a fire lighter

thetechnician