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2] A. htm. [3] G. htm. [4] R. html#softvideo. [5] D. Rodgers, Procedural Elements of Computer Graphics, 2nd edition, McGraw-Hill, New York, NY, October 1997. //Start new frame after line 262 if (LineCount==263) LineCount = 1; SOURCE The tokens "begin" and "end" are used instead of the usual C curly brackets */ interrupt [TIM1_COMPA] void t1_cmpA(void) begin PORTD = syncON; LineCount ++ ; //Start the sync pulse //Update the curent scanline number //Begin inverted (vertical) sync after line 247.

A DLA is a structure that grows by sticking new particles to an existing clump. The DLA generally develops a fractal shape as more particles stick to it. In my code, the DLA starts as a single pixel in the center of the screen and grows every time a randomly moving particle happens to hit it. When a particle hits, it is frozen in place, and a new particle appears at the edge of the screen to diffuse. A single particle can easily move 60 random steps per second, including: erasing the old position; computing two random steps (x and y); drawing the new position; checking for adjacent frozen particles; releasing a new particle (if necessary); and updating the clock display once per second.

High starting torque, high speed, easy reversing, and speed control) were prerequisites. With the development of brushless commutators, DC motors in their BLDC incarnation have gained a presence in areas where the brush DC motors were traditionally difficult to use because of their high level of electromagnetic interference and brush maintenance requirements. , hydraulic). But, you shouldn’t assume that the traditional DC motor is dead. To this day, there remain many applications where the brush-commutated DC motor’s characteristics and low cost, despite their known weaknesses, are impossible for other actuators to beat.

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Circuit Cellar (January 2003)


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