temperature sensor circuit project using Diode / simple circuit / fire alarm / 7tech projects
#7techprojects #electronics #projects #circuit #simplecircuit #9vbattery #hwbattery
#temperature #sensor
#firealarm #bc547transistor
components: -
9v battery
buzzer
bc 547
resistor 1k ohm
LED light
connecting needles
lighter
diode 4148
switch
hi friends the circuit is very simple
you can use for school projects
exhibition
you can make at home
temperature sensing without NTC thermistor
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