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The DST1200 accurately measures distances between 40mm and ~10m. Use this Phidget when you for motion sensing, object detection, or spatial awareness. This Phidget connects to your computer through a VINT Hub.
This Phidget is a smart device that must be controlled by a VINT Hub. For more information about VINT, have a look at the VINT Primer. You can use a Phidget Cable to simply and easily connect the two devices. Here's a list of all of the different VINT Hubs currently available:
|Image||Part Number||Price||Number of VINT Ports||Controlled By|
|HUB5000_0||$60.00||6||Local Network (Ethernet or Wi-Fi)|
Use a Phidget cable to connect this device to the hub. You can solder multiple cables together in order to make even longer Phidget cables, but you should be aware of the effects of having long wires in your system.
Welcome to the DST1200 user guide! In order to get started, make sure you have the following hardware on hand:
Next, you will need to connect the pieces:
Now that you have everything together, let's start using the DST1200!
In order to demonstrate the functionality of the DST1200, the Phidget Control Panel running on a Windows machine will be used.
The Phidget Control Panel is available for use on both macOS and Windows machines.
To open the Phidget Control Panel on Windows, find the icon in the taskbar. If it is not there, open up the start menu and search for Phidget Control Panel
To open the Phidget Control Panel on macOS, open Finder and navigate to the Phidget Control Panel in the Applications list. Double click on the icon to bring up the Phidget Control Panel.
For more information, take a look at the getting started guide for your operating system:
Linux users can follow the getting started with Linux guide and continue reading here for more information about the DST1200.
After plugging the DST1200 into your computer and opening the Phidget Control Panel, you will see something like this:
The Phidget Control Panel will list all connected Phidgets and associated objects, as well as the following information:
The Phidget Control Panel can also be used to test your device. Double-clicking on an object will open an example.
The DST1000 uses reflected ultrasonic waves to measure distance. Use this Phidget for motion sensing, object detection, or spatial awareness. The sensor will measure the distance of as many as 8 objects at the same time, from 40mm to ~10m in optimal conditions with an accuracy of about 10mm.
You can use your Control Panel to explore your Phidget's channels.
1. Open your Control Panel, and you will find the following channel:
2. Double click on the channel to open the example program. This channel belongs to the DistanceSensor channel class:
In your Control Panel, double click on "Sonar Phidget":
Before you open a Phidget channel in your program, you can set these properties to specify which channel to open. You can find this information through the Control Panel.
1. Open the Control Panel and double-click on the red map pin icon:
2. The Addressing Information window will open. Here you will find all the information you need to address your Phidget in your program.
See the Phidget22 API for your language to determine exact syntax for each property.
The Change Trigger is the minimum change in the sensor data needed to trigger a new data event. The Data Interval is the time (in ms) between data events sent out from your Phidget. You can modify one or both of these values to achieve different data outputs. You can learn more about these two properties here.
The DST1200 has a Quiet Mode which reduces the volume of the sound pulses used by the sonar sensors. While the sound that this Phidget makes is audible in either mode, it is much less noticeable with quiet mode enabled. By enabling quiet mode, you will decrease the maximum sensing range and the number of reflections detected. Quiet mode also consumes less power (see product page specifications for details).
When you receive data from the DST1200, you will end up with an array of sonar reflections that each have a distance and an amplitude. The distance, of course, refers to how far away the object is. The amplitude gives you a general idea of the size of the object. The amplitude value can range from 3 to approximately 900, with 3 being a very small reflection and 900 being a very large reflection. In some applications, you will want to ignore reflections with an amplitude you deem is too small.
The DST1200 will fire saturation error events when the nearest reflection is closer than 40mm from the sensor. At this range it is too close for the sensor to accurately determine the range of the object.
|Sensor Type||Distance (Sonar)|
|Measurement Distance Min||40 mm|
|Measurement Distance Max||10 m|
|Measurement Distance Resolution||10 mm|
|Sampling Interval Min||100 ms/sample|
|Sampling Interval Max||60 s/sample|
|Current Consumption Max||* 5.6 mA|
|Current Consumption Min||(unconfigured) 47 μA|
|Operating Temperature Min||-40 °C|
|Operating Temperature Max||85 °C|
|Canadian HS Export Code||8471.80.00|
|American HTS Import Code||8471.80.40.00|
|Country of Origin||CN (China)|
Errata: The enclosure for the DST1200 may state the range as being 220mm to 10m, but it is actually 40mm to 10m, as listed in the specification table.
* - Current consumption varies depending on selected data interval. See the graph below for details.
|Date||Board Revision||Device Version||Comment|
|June 2017||0||104||Product Release|
|January 2018||0||105||Fixed inability to set change trigger to max|
|April 2018||0||106||First valid measurement after saturation now always triggers an event|
|Sonar Distance Sensor||DistanceSensor||0|
|DistanceSensor||Visual Studio GUI||C#||Windows||Download|
|DistanceSensor||Visual Basic .NET||Windows||Download|
|Image||Part Number||Price||Sensor Type||Controlled By||Measurement Distance Min||Measurement Distance Max|
|1128_0||$25.00||Distance (Sonar)||VoltageRatio Input||152.4 mm||6.5 m|
|1146_0||$7.00||Distance (Infrared)||VoltageRatio Input||1.5 mm||4 mm|
|3520_0||$14.00||Distance (Infrared)||Sharp Adapter||40 mm||300 mm|
|3521_0||$12.00||Distance (Infrared)||Sharp Adapter||100 mm||800 mm|
|3522_0||$16.00||Distance (Infrared)||Sharp Adapter||200 mm||1.5 m|
|DST1000_0||$30.00||Infrared (Time-of-Flight)||VINT||4 mm||* 170 mm|
|DST1001_0||$30.00||Infrared (Time-of-Flight)||VINT||20 mm||* 650 mm|
|DST1002_0||$35.00||Infrared (Time-of-Flight)||VINT||20 mm||* 1.3 m|
|DST1200_0||$25.00||Distance (Sonar)||VINT||40 mm||10 m|