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Fix ultrasound pulse measurement overflowing at long distance #704

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Merged
WillB97 merged 2 commits into from
Mar 28, 2026
Merged

Fix ultrasound pulse measurement overflowing at long distance #704

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3f7811c
Fix ultrasound pulse measurement overflowing at long distance
WillB97 Mar 28, 2026
dcc0d4d
Bump firmware version
WillB97 Mar 28, 2026
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4 changes: 2 additions & 2 deletions resources/kit/arduino-fw.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
// We communicate with the Arduino at 115200 baud.
#define SERIAL_BAUD 115200

#define FW_VER 2
#define FW_VER 3

void setup() {
Serial.begin(SERIAL_BAUD);
Expand Down Expand Up @@ -61,7 +61,7 @@ void command_ultrasound() {
digitalWrite(pulse, LOW);

// measure the echo time on the echo pin
int duration = pulseIn(echo, HIGH, 60000);
long duration = pulseIn(echo, HIGH, 60000);
Serial.print(microsecondsToMm(duration));
}

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