An easy way to build a line follower bot.
Enjoy all this steps and built the bot yourself!!
Any question, I'll be around, good luck...

Step 1: Material List

Materials:

• 2 Servomotors (continuous rotation);
• 1 Arduíno UNO;
• 1 ultrasonic sensor module;
• 1 optic sensor module;
• 1 infrared sensor;
• 1 breadboard;
• 1 button on/off;
• 2 10k resistors;
• Cables;
• 1 Computer and respective software;
• Acrylic;
• 1 free wheel.

Tools:

Soldering Iron
Solder
Helping Hands