You can try declaring sensor as volatile: volatile uint8_t sensor;. Line Following Robot using AVR ATmega8eXtreme Electronics http:// 1 of Here is a simple line following robot circuit designed using ATmega8 Microcontroller. It can be used in industrial and defense applications.

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By nannu – October 21, 2: By saiful riaz – December 14, Dear sir, i always follows your post and tutorials and like very much. What should I do?

Line Following Robot using AVR ATmega8

Adding a library to current AS6 project is described in libraries manual. It would be very grateful of you Thanks. But since PIND is already defined as volatile “under the hood”, isn’t that sufficient for the compiler to suppress assumptions regarding the value of PIND and thus not optimize the assignment to sensor? My apologies for not using proper english.

Sir please guide me,I have put my tremendous hard-work and lot of money to make this LFR. Mahendra You don not fulfill the prerequisite no 4 mentioned above!


I want to ask why do you not include the TIME factor when taking integral and derivative? By Avinash – February 21, Inertia, You are an engineer? Can you plz tell me the values of Diodes D1D2D3?

By Dibyaranjan – July 6, 8: I will try my fpllower to complete the project. Your works are always wonderful. Sign up or log in Sign up using Google. By Jalaj – February 7, 9: By inertia45 – August 26, 5: By inertia45 – August 31, 7: This sprev is used as previous line position for the next loop.

Line Following Robot using AVR ATmega8

atmegx8 Its called a by pass capacitor, and why the hell you are telling it isolated? By venkatesh kosuri – December 22, If we send those lib files to you would you be able to make it yourself?

By nishaanth – May 5, Leave a Reply Cancel reply Your email address will not be published.

Sir please tell why capacitor c6 is shown isolated in the LFR circuit diagram do I have to connect this c6 same as shown ie in vcc and ground anywhere in my zero pcb? Line Following Robot Kit. Please do not be over smart. Get quote online easily: By mahendra – July 14, By somesh – February 4, 1: By Vivan – December 30, 8: But the problem is that our competitors are using a usinng motor…So we wanted to know that if you are having the same kit everything same but supporting a rpm motor…If its available with you please contact asap….


Make sure you should not use any type of replacement parts like a RPM motor because every thing need to be in harmony. For more information turning the robot please see differential drive mechanism.

By ashish – November 9, 2: