44 lines
709 B
Text
44 lines
709 B
Text
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#include <LCD4Bit.h>
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LCD4Bit lcd = LCD4Bit(2);
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void setup() {
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lcd.init();
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lcd.clear();
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// create char
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lcd.commandWrite(0x40);
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lcd.print(0b10001);
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lcd.print(0b01010);
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lcd.print(0b10101);
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lcd.print(0b11111);
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lcd.print(0b01110);
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lcd.print(0b10001);
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lcd.print(0b10001);
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lcd.print(0b01010);
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// back to normal
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lcd.cursorTo(1,0);
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for(uint8_t i = 0; i < 80; i++) {
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lcd.print(0x00+(i&0x7));
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}
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}
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void loop() {
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digitalWrite(13, HIGH);
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lcd.commandWrite(0x40+8*random(8));
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uint8_t fnord = random(8);
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for (uint8_t i = 0; i<8; i++) {
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if(i == fnord) {
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lcd.print(0b11111);
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} else {
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lcd.print(0b00000);
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}
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}
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digitalWrite(13,LOW);
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delay(10);
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}
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