USB Pushbutton

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USB Pushbutton


The “USB Pushbutton” is a palm switch with a large dome. It connects to a workstation or PC via a USB cable. A press on the button sends a keystroke to the workstation. You can configure which keystroke that is. You can use the USB Pushbutton to perform any command on the workstation: launch a presentation, start a show, pause or resume playback, function as a “Quiz Buzzer”, or any other action.

The dome is illuminated with a LED.

The USB Pushbutton is recognized by the PC as a “keyboard” —with only a single key. Microsoft Windows (and other operating systems) have intrinsic support for these devices. The USB Pushbutton runs out of the box, no driver is needed. The button is fully compatible with “Game Show Presenter” and similar applications.

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Downloads: Key Configurator, version 2.2.

CE compliant
USB Large Pushbutton


The USB Pushbutton is a large illuminated hand or palm button, for indoor use. A 1 m cable is included, but the button is suitable for use with cable lengths up to 5 m. A “debounce” circuit avoids false triggering and an ESD protection filter on the USB input guarantees a reliable operation.

The USB Pushbutton needs to be mounted on a panel (control panel, front panel). The switching circuit and the USB interface extend below the button. See the image below.

USB Large Pushbutton     USB Large Pushbutton

The box with the control interface at the bottom of the button is detachable from the button, for easy mounting.

As mentioned above, the PC or workstation recognizes the USB Dome Button as a keyboard with one key. The key to transmit to the PC is configured via a free configuration utility, see the Downloads section. By default, the USB Dome Button transmits the key “1”.

Multiple Dome Buttons may be attached to a PC at the same time, with each Dome Button configured to transmit a different key code (when configuring the Dome Buttons, each button should be connected to the PC one at a time).


Dimensions   Base diameter: 98 mm, dome diameter: 80 mm.
Colour   Base: black; dome: red.
Mechanical lifetime   > 106 operations
Operating temperature   -25 °C to +40 °C.
Actuation force   8 to 10 N.
USB connector   Mini-B.
USB interface/profile   USB “HID”, keyboard profile, configurable key code.
Power supply   Powered through the USB connection; 15 mA nominal non-illuminated, 35 mA nominal illuminated.
Debounce criterion   20 ms stable period.
Switch latency   50 ms maximum, 35 ms average.

Accessories and variants

Yellow Pushbutton
Yellow Pushbutton
<br/>Key Configuration utility

Key Configuration utility
<br/>Button Lights utility, to be used with dome buttons with LED

Button Lights utility, to be used with dome buttons with LED

Application notes

KeyConfigurator Usage Guide
The guide to using the KeyConfigurator utility, to program the USB Dome Buttons, USB Pushbuttons and Wireless Dome Buttons to a key or key sequence.
USB Buttons as Quiz Buzzers
This application note describes how to use the USB buttons as quiz buzzers, with specific focus on the illuminated buttons.


Key Configurator utility. See also the Usage Guide.
  Microsoft Windows         Version 2.2      
  Apple OSX         Version 2.1      
  Linux         Version 2.1      

Button Lights utility.
For buttons with LED illumination, you need this utility to control and configure the illumination. This utility can be used stand-alone or in combination with quiz master software.
  Microsoft Windows         Version 1.7      

USB Pushbutton Specifications.
  All systems           PDF file