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#define A 2 #define B 3 #define C 4 #define D 5 #define DELAY 500 int c[4][3][2] = { { {A, D}, {A, C}, {A, B} }, { {D, A}, {C, A}, {B, A} }, { {C, D}, {B, D}, {B, C} }, { {D, C}, {D, B}, {C, B} } }; int frames[][4] = { { 0b111, 0b000, 0b000, 0b000 }, { 0b000, 0b111, 0b000, 0b000 }, { 0b000, 0b000, 0b111, 0b000 }, { 0b000, 0b000, 0b000, 0b111 }, { 0b001, 0b001, 0b001, 0b001 }, { 0b010, 0b010, 0b010, 0b010 }, { 0b100, 0b100, 0b100, 0b100 } }; void setup() { pinMode( A, INPUT ); pinMode( B, INPUT ); pinMode( C, INPUT ); pinMode( D, INPUT ); } void display( int frame[4], int duration ) { int times = 0; int x = 0; int y = 0; while( times < duration ) { for( y = 0; y < 4; y++ ) { for( x = 0; x < 3; x++ ) { setup(); if( frame[y] & (0b100 >> x) ) { light( c[y][x] ); delayMicroseconds(DELAY); times++; } } } } } void light( int pins[2] ) { pinMode( pins[0], OUTPUT ); digitalWrite( pins[0], HIGH ); pinMode( pins[1], OUTPUT ); digitalWrite( pins[1], LOW ); } void test( int pins[2] ) { setup(); light(pins); delay(500); } void test_loop() { test(c[0][0]); test(c[0][1]); test(c[0][2]); test(c[1][0]); test(c[1][1]); test(c[1][2]); test(c[2][0]); test(c[2][1]); test(c[2][2]); test(c[3][0]); test(c[3][1]); test(c[3][2]); } void loop() { int i; for( i = 0; i < 7; i++ ) { display( frames[i], 2000 ); } }

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