simple fire alarm project / using Diode / electronics science project
#7techprojects #electronics #project #science #hwbattery #firealarm #sensor #diode
#scienceproject #buzzer
simple electronics project idea using 4148 diode
You can make at home
you can use for school scince exhibition.
fire detector project
components need
bc 547 transistor
Resistor 2.6k
hw 9v battery
buzzer