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Results tagged with hc-sr04
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user 31105
For questions about the HC-SR04 ultrasonic ranging sensor.
1
vote
Ultrasonic HC-SR04 echo and trig pins
You can connect them to two GPIO pins. It does not matter much which ones (probably between 2 and 12 since these are not used by other functions like the builtin led or RX/TX).
In the following examp …
- 13k
1
vote
Connecting multiple ultrasonic sensors(hc-sr04) to a single arduino board.(mega)
This is NOT an answer to the question, but I did some (major) refactoring which make it much more clear what is happening.
I think you made some mistake within the (refactored) method Sensor::UpdateSt …
- 13k
1
vote
Strange discrete errors when reading HC-SR04 sonar sensor
I think it's from the HC-SR04... it uses echos and it seems your bad readings are some kind of echo reflections.
What you should do is either remove the bad readings, or take the average/most common …
- 13k