Grove Ultrasonic Ranger Measuring Specifications

Grove is a modulated, ready-to-use tool set.
Much like Lego, it takes a building block approach to assembling electronics.

Moderators: lily.li, violet, salmanfarisvp, jeremy882, crail.lyu969

Post Reply
Anonymous
Kindergarten
Kindergarten
Posts: 92
Joined: Mon Jun 03, 2019 10:58 am

Grove Ultrasonic Ranger Measuring Specifications

Post by Anonymous » Tue Jun 25, 2019 3:25 pm

Hi,

May I check on the updates with regards to Grove Ultrasonic Ranger Measuring Specifications?
Please elaborate how the Measuring Range and the default detecting distance of Ultrasonic Ranger is calculated and intended to work in detail?


Thanks.

Seeed Tech Support
Pre-kindergarten
Pre-kindergarten
Posts: 0
Joined: Mon Jun 03, 2019 10:51 am

Post by Seeed Tech Support » Tue Jun 25, 2019 4:45 pm

Hi 

Niyas,
 


This Grove - Ultrasonic ranger is a non-contact distance measurement module which works at 40KHz. When we provide a pulse trigger signal with more than 10uS through singal pin, the Grove_Ultrasonic_Ranger will issue 8 cycles of 40kHz cycle level and detect the echo. The pulse width of the echo signal is proportional to the measured distance. Here is the formula: Distance = echo signal high time * Sound speed (340M/S)/2. Grove_Ultrasonic_Ranger's trig and echo singal share 1 SIG pin.




























































ParameterValue/Range
Operating voltage3.2~5.2V
Operating current8mA
Ultrasonic frequency40kHz
Measuring range2-350cm
Resolution1cm
OutputPWM
Size50mm X 25mm X 16mm
Weight13g
Measurement angle15 degree
Working temperature-10~60 degree C
Trigger signal10uS TTL
Echo signalTTL


Thanks

best rgds
Bill



Anonymous
Kindergarten
Kindergarten
Posts: 92
Joined: Mon Jun 03, 2019 10:58 am

Post by Anonymous » Tue Jun 25, 2019 5:10 pm

Hi Bill,

I have already consolidated the technical specification and description of Grove Ultrasonic Ranger from its Wiki site.
Link: http://wiki.seeedstudio.com/Grove-Ultrasonic_Ranger/

I am interested to find out in detail how the placement of this sensor might affects its measurements or the intended outputs.

Please assist with the following quires probably by providing a diagram to explain:

· Is the Grove Ultrasonic Range required to be placed at its line of sight?

· For the default measuring range is it sensor calculating the vertical or horizontal distance from the placement of Ultrasonic Ranger?

Thanks.

Seeed Tech Support
Pre-kindergarten
Pre-kindergarten
Posts: 0
Joined: Mon Jun 03, 2019 10:51 am

Post by Seeed Tech Support » Wed Jun 26, 2019 11:53 am

Hi Niyas,

The emitting surface is a cone with an angle of 15 degrees, When it hits the objects, the beam will return to echo sensor. If the beam can enter into echi sensor, the distance can be measured. Or else, it can not. Here is the datasheet of the 2 sensors, trig and echo. 
https://github.com/SeeedDocument/Grove_ ... 6T-R-1.pdf  

Image

Thanksbest rgdsBill

Post Reply