In the default jumper condition (JP:1+2), output of the infrared sensor card is at a logic-low (L) state, when it detects a black color, and vice versa. Remember, we need two identical infrared sensor ...

Posted in Toy Hacks Tagged hexbug, infrared, ir, line following, reflectance ← Intro To Phase-Locked Loops Space; It’s A Junkyard Until The Swiss Get Their Way → ...

Now that the mechanical assembly part is over,and we have completed the construction of left and right (L&R) infrared sensor cards. Since the MCU (ATmega8) cannot drive the dc motors directly, a ...