anatolykopyl/longboard-speedometer
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Fixed a rounding bug

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Now wait times less than a second function properly
This commit is contained in:
anatolykopyl
2019-05-31 16:43:12 +03:00
committed by GitHub
parent 22f5a2735a
commit f1e06c3879
1 changed files with 4 additions and 12 deletions
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16
smartboard.ino
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@@ -18,9 +18,9 @@ int DOT = 15;
int SENS = 10;
int WAIT = 1000; //Time between updates
double WAIT = 500; //Time between updates
double CIRCUMF = 3.14 * 7; //Circumference of your wheel
int dist = 0;
double dist = 0;
int speedKMH = 0;
bool got_signal = false;
@@ -182,16 +182,8 @@ void loop() {
}
void update_speed() {
if (rotations > 1) {
/* Dividing dist by two because reed switch was getting triggered twice each rotation.
If you choose to go with a Hall sensor you would want to get rid of that division. */
dist = CIRCUMF * rotations / 2;
//dist = CIRCUMF * rotations;
speedKMH = dist * 3.6 / (WAIT / 1000);
} else {
speedKMH = 0;
}
dist = CIRCUMF * rotations / 2;
speedKMH = dist * 3.6 / (WAIT / 1000);
got_signal = false;
rotations = 0;
}