neingeist
/
arduinisten
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void setup() {
for(int p=8; p<=11; p++) {
pinMode(p, OUTPUT);
}
}
void loop() {
for (int c=0; c<16; c++) {
for (int b=0; b<4; b++) {
digitalWrite(8+b, c & _BV(b));
}
delay(100);
}
}