Another Line Follower Robot without microcontroller project. This project built using IC timer 555 to generated PWM signal to make the motor running smoothly.

You can download the tutorial here

Build your own line follower / line tracker robot…!

Microcontroller : Atmel ATMega8535
Sensor: 6 photodioda sensor
Motor driver : L298 dual driver (up to 1A of electric current)

Download ping parallax ultrasonic distance sensor datasheet, schematic and program code sample:
» Download Link

This tutorial will teach you how to control servo motor using parallax device.

Most of robotics hobbies use AVR microcontroller for their robot’s chip. This microcontroller is cheap and easy to used.

Download the file here:
getting started with the AVR.pdf