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For a seamless user input solution that differs from the ordinary pushbutton, try the Touch Keypad Phidget. It works like a smartphone's touchscreen, sensing the change in capacitance as you finger comes near. As such, you can place the Touch Keypad Phidget behind up to 3mm of glass or plastic, allowing you to enclose the hardware to make the panel child-friendly and aesthetically pleasing. The HIN1000 connects to a port on a VINT Hub. See the Connection & Compatibility tab for a list of hubs.
With seven capacitive touch regions, you can assign different functions to each with events in our API. You can also detect the proximity of a finger before contact is made, and you can adjust the sensitivity to improve performance in your application. If an object stays on a region for sixty seconds, the board will recalibrate and ignore that object until it is removed. This feature prevents regions from being locked by unintentional objects like dirt or debris.
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 HIN1000 user guide! In order to get started, make sure you have the following hardware on hand:
Next, you will need to connect the pieces:
In order to demonstrate the functionality of the HIN1000, 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 HIN1000.
After plugging the HIN1000 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.
When you double click on a Capacitive Touch object, a window like the one pictured will open.
Before you can access the device in your own code, and from our examples, you'll need to take note of the addressing parameters for your Phidget. These will indicate how the Phidget is physically connected to your application. For simplicity, these parameters can be found by clicking the button at the top of the Control Panel example for that Phidget.
In the Addressing Information window, the section above the line displays information you will need to connect to your Phidget from any application. In particular, note the Channel Class field as this will be the API you will need to use with your Phidget, and the type of example you should use to get started with it. The section below the line provides information about the network the Phidget is connected on if it is attached remotely. Keep track of these parameters moving forward, as you will need them once you start running our examples or your own code.
You are now ready to start writing your own code for the device. The best way to do that is to start from our Code Samples.
Select your programming language of choice from the drop-down list to get an example for your device. You can use the options provided to further customize the example to best suit your needs.
Once you have your example, you will need to follow the instructions on the page for your programming language to get it running. To find these instructions, select your programming language from the Programming Languages page.
Since capacitive touch sensors rely on checking capacitance against a threshold to detect when they are touched, they need to keep a good baseline of the capacitance of their environment. The HIN1000 will re-calibrate its baseline levels if it detects a constant touch for more than 60 seconds, in order to prevent getting stuck in a touched state. Similarly, it will re-calibrate its baseline capacitance to adjust to falling capacitance (such as when it is moved away from a surface) in order to prevent getting stuck in a not-touched state. The latter adjustment happens soon after the baseline is detected to have fallen.
The current consumption of the HIN1000 varies depending on the data interval that you choose. When it is connected but not configured, it will draw a minimal current of around 50 µA. Once it has been configured, current consumption will increase as the interval between data events is shortened, as illustrated by this graph:
|Calibration Time||45 s|
|Sampling Interval Max||1 s/sample|
|Sampling Interval Min||25 ms/sample|
|Detecting Distance Max||5 mm|
|Current Consumption Max||* 3.6 mA|
|Current Consumption Min||50 μA|
|Operating Temperature Min||-40 °C|
|Operating Temperature Max||85 °C|
* Current consumption varies with data interval. See the technical section of the user guide for details.Sensitivity Settings
|0.8 - 1.0||Behind up to 3mm of glass|
|0.2||Inside default enclosure|
|Date||Board Revision||Device Version||Comment|
|August 2017||0||104||Product Release|
|Capacitive Touch Sensor||CapacitiveTouch||0 - 6|
|CapacitiveTouch||Visual Studio GUI||C#||Windows||Download|
|CapacitiveTouch||Visual Basic .NET||Windows||Download|