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alistairjevans/app.ino

Last active May 27, 2019 10:01
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Formatting a float into a string in arduino
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app.ino
// Arduino sprintf does not support floats or doubles.
sprintf(body, "milliseconds=%lu&speed=", timestamp);
// Use the dtostrf to append the speed.
dtostrf(speed, 2, 3, &body[strlen(body)]);
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