資料來源:https://www.seeedstudio.com/Grove---Ultrasonic-Ranger-p-960.html
This Grove-ultrasonic sensor is a non-contact distance measurement module which is compatible with the Grove system. It's designed for easy modular project usage with industrial performance. There is also the electronic version of this module here
Features
Detecting range: 3cm-350cm,best in 30 degree angle.
Grove interface
5V DC power supply
Arduino library ready
Dimensions | 50mm x 25mm x 16mm |
Weight | G.W 17g |
Battery | Exclude |
Measuring range | 3cm - 350cm |
Operating voltage | DC 3.2~5.2V |
Operating current | 8mA |
Ultrasonic frequency | 40kHz |
Connector | Grove x1 |
Output | PWM |
Grove - Ultrasonic Ranger | 1 |
This Grove - Ultrasonic sensor is a non-contact distance measurement module which works at 42KHz, suitable for projects that require middle distance measurement.
Make an indoor lightning Cloud, hang it up right over your door mat, blast whoever passing under it, feel the the beauty of nature in the house.
With a Grove - Ultrasonic Ranger she can magically control the number of illuminated LEDs inside the Helix by raising or lower her palm in the air.
There are many ways like using a float sensor to determine the water level, or using probes to detect peak and low level in the tank.How to measure water level without using probe or contacting with water?yeah there is a way just using a Ultrasoni