Required Components :
1x Castor Wheel
2x wheels
2x Gear Motors
1x LDR sensor
1x Chassis
1x ULN2003 IC
1x 9v battery
1x battery snap
1x Breadboard and connecting wires
Spacers, stud, screws and screw driver
Circuit Diagram:
blue wire is for connecting sensors output.
LIGHT SENSOR:
black wire is ground (-ve)
How to make a LIGHT Sensor From IR Sensor
How This Light Following Robot Works?
Whenever the sensor detects Light, it gives 5v as logic output. The output of the sensor is connected to the ULN2003 IC input, This IC swich ON the circuit Whenever 5v is applied to the sensor input.
1x Castor Wheel
2x wheels
2x Gear Motors
1x LDR sensor
1x Chassis
1x ULN2003 IC
1x 9v battery
1x battery snap
1x Breadboard and connecting wires
Spacers, stud, screws and screw driver
Circuit Diagram:
LIGHT SENSOR:
LDR SENSOR CIRCUIT:
blue wire is sensor output
red wire is power supply (5v)black wire is ground (-ve)
How to make a LIGHT Sensor From IR Sensor
Remove both the IR transmitter and Receiver, Place a LDR in the place of Receiver IR.
How This Light Following Robot Works?
Whenever the sensor detects Light, it gives 5v as logic output. The output of the sensor is connected to the ULN2003 IC input, This IC swich ON the circuit Whenever 5v is applied to the sensor input.
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