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15 lines
237 B
JavaScript
15 lines
237 B
JavaScript
digitalRead(["D12","D13","D14","D15"]);
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var n=1;
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function f() {
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print(n);
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n=n<<1;
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if (n>15) n=1;
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digitalWrite(["D12","D13","D14","D15"],n);
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if (n==1) clearInterval(timer);
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};
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var timer = setInterval(f,20);
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result = 1;
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