how to make car security sensor alarm / science project
#7techprojects #scienceproject #irsensor #sensor #alarm #securityalarm #hwbattery #project
simple circuit electronic sensor science model project for school students
exhibition model project
ir sensor project
how to make a car security alarm using sensor
making alarm sound crossing a car in a specified area
alarm project
sensor project
without arduino projects
electronics components
9v battery ×2
ir led
photo diode
bc 547 Transistor
resistor 100k
resistor 1k
switch ×2
wire