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Results tagged with hc-sr04
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user 10394
For questions about the HC-SR04 ultrasonic ranging sensor.
0
votes
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HC-SR04 pulse at multiple angles
I doubt you have misunderstood the way ultra sound works. You send a pulse and then go quiet waiting for a reply. The time it takes to send the pulse is the minimum distance you can detect things at …
- 5,637
1
vote
HCSR04 Sensor without delay
You only have a single thread of execution of an Arduino. So you have limited options:
Live with it.
Use two Arduinos.
Use a microcontroller with 2 cores.
Interrupts
2 Is possible, you could have …
- 5,637
1
vote
Accepted
How do I use ultrasound to track a moving object?
Yes you can use ultrasound to track a moving target, but I really doubt it could be done with an Arduino.
You need to be able to ping the object at least 3 times in the time it takes to move your bea …
- 5,637
1
vote
Accepted
Arduino HC-SR04 water experiment
All you need to do is ignore any reading within the first milliseconds. Off the top of my head there is a delay statement before reading from this sensor, just alter that. You can work out how long …
- 5,637