Tagged Questions

0
votes
2answers
73 views

SR04 As only Transmitter and Receiver

I have taken up a "follow me" robot as my course project ,i am taking the following approach: Use one SR04 ultrasonic transducer only as transmitter which will be with me. Another SR04 module only ...
4
votes
2answers
124 views

Ultrasonic sensor doesnt work inside case

I have a very strange error. My ultrasonic sensor, when both speakers are sticking out of my case, don't work at all. It's a black case. It gives very "near" readings". But it does work when outside. ...
1
vote
1answer
102 views

Ultrasonic Sensor URM37

I have just gotten a URM37 ultrasonic sensor. I need a way to measure the distance to an object from two sensors (for maneuvering). Can I know if ultrasonic sensors with 2 sensors are suppose to be ...
2
votes
1answer
2k views

Connecting multiple ultrasonic sensors to one Arduino

I'm trying to connect five ultrasonic sensors (HC-SR04, to be exact) to an Arduino board to detect obstacles in five directions (four cardinal + one Z-axis). I read the datasheet on the HC-SR04s and ...
2
votes
2answers
2k views

Multiple Ultrasonic Rangefinder Question

I've been doing some research on ultrasonic range finders as sensors for robotics. I've seen them being attached to servos and pivoted to effectively "look" in front of the robot and make sure the ...
9
votes
2answers
3k views

How do I Drive an Ultrasonic Transducer with an Arduino?

I am quite new to hardware hacking, and have chosen to use the Arduino for my first project. I am attempting to build a cat deterrent, something akin to this. I have figured out detection, and now ...