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Simple line follower robot Circuit

2015-01-11 16:19  
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Simple Robot Line Follower Circuit 120x120 Simple line follower robot Circuit?This circuit is a line follower robot which can move to follow the simple black or white lines on the floor. This robot uses two steering wheels are placed at the back which is connected directly with a DC motor 1 and DC motor 2, and a free wheel is placed on the front, this wheel does not have a fixed rotary axis, so that the direction of free motion. Line sensor used is a photodiode, the sensor serves to distinguish the dark or bright line based on the amount of light reflection from the LED. LED and photodiode placed at the bottom of the robot and placed behind the wheel is free. Here is a schematic drawing line follower robot:

Simple line follower robot 500x227 Simple line follower robot Circuit

Circuit line follower robot

VR1 and VR2 is used as a regulator of the sensitivity of the sensor. Play one of the variable resistor if the robot can not distinguish black and white lines. Motor used is a 3 volt dc motor. When the light, then the prisoner photodiode large and small electrical current, the current is passed through the transistor so that the LED lights and a DC motor rotates. When dark, the prisoner at the photodiode large and small electrical currents. Flow is blocked by a transistor so that the LED is off and the DC motor stops. Here I also include a PCB (printed circuit board) of the Simple line follower robot and you can also download it.

PCB Robot Line Follower Circuit Simple line follower robot Circuit

PCB Robot Line Follower Circuit

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