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BreezeTM Specifications

Sip/Puff Switch with USB Switch Interface


Breeze
Model: BZ2


Breeze not only generates events that exceed two different pressure thresholds, but it can also generate analog joystick values based on input pressure. There are two pressure threshold settings. Factory default is approximately three inches of water column. This value can be changed to two inches of water column with additional hysteresis. These two pressure thresholds are designed for use by people with disabilities and cannot be modified. Breeze measures pressure values relative to ambient pressure.

In addition to Breeze reporting joystick button events, it can report the analog pressure as proportional joystick X- and Y-position values. When operating in joystick plus mode, Breeze will report the fire-one and fire-two button events when input pressure exceeds the configured thresholds, while the input pressure is simultaneously reported as proportional X- and Y-position values.

  • Mouse Button Emulation
  • Joystick Button Emulation
  • Keyboard Emulation
  • Apple iOS Switch Control Events
  • Low Latency
  • Low Power
  • Works with Standard Windows, Mac and Linux USB Human Interface Device (HID) drivers
  • USB Powered
  • High Speed USB Device
  • Standard Sip and puff pressure threshold is approximately 3-inches water column below and above ambient pressure
  • High sensitivity setting is approximately 2-inches water column with increased hysteresis
  • Real time gauge pressure can be reported as joystick X and Y values (± 4 kPa)
  • 2- by 0.8- by 0.5-inches (51- by 20- by 13-mm)
  • Weighs ½-ounce (14-grams)

Tapio's integrated DIP Switch selects iOS Device specific modes, mouse, joystick, or keyboard functions as shown in the table below.

Breeze Mode Settings
DIP Switch Mode Outputs Notes
1 2 Switch 1 Switch 2
ON ON Mouse (Default) Left Right
OFF ON Joystick Fire-One Fire-Two
ON OFF Keyboard Enter Space
OFF OFF Joystick Plus Fire-One Fire-Two Pressure to X- and Y-Position*

(* – Positive pressure "PUFF" is represented as positive X- and Y-position values and negative pressure "SIP" is represented as negative X- and Y-position values.)

Breeze Mode Settings
DIP Switch 3 Mode Notes
ON All "Sip" is Left Mouse, Fire-One or Enter
OFF All "Puff" is Left Mouse, Fire-One or Enter
Breeze Mode Settings
DIP Switch 4 Mode Notes
ON All Standard Sensitivity (3-inches water column)
OFF All High Sensitivity (2-inches water column with extra sensitivity)


Joystick Plus Mode

When simple switching thresholds aren't enough Breeze offers the Joystick Plus mode where input pressure is represented as the joystick's X- and Y-position values. Negative pressure (SIP) is represented as negative X- and Y-position values; while positive pressure (PUFF) is represented as positive X- and Y-position values. As can be seen in the graph, for any input pressure the X- and Y-position values are identical.


Breeze pressure to joystick position graphic
Breeze's Joystick Plus mode converts input pressure to joystick X- and Y-postion values. At maximum pressure (± 4KPa) X- and Y-position values are at their maximums.


The Breeze was designed as a simple sip and puff switch; however, it uses a precision MEMS pressure sensor with integrated amplifier, digital calibration data and fuly signal conditioned output. There is multi-order correction for pressure and multi-order correction for temperature non-linearities. This results in pressure measurement accuracy of a few percent over an industrial temperature range. In the Joystick Plus mode Breeze linearly maps ±4KPa values (16-inches water-column) into the X- and Y-position outputs of the Game Controller joystick.

An in-line filter should be used at all times with Breeze to prevent contaminating or damaging the pressure sensor.

The Breeze is not a measurement instrument and should not be used as such. There is no guarantee express or implied that Breeze will offer accurate or repeatable measurement values.

Application Disclaimer

Breeze is designed for use by people who have limited or no motor capability enabling them to operate switch activated devices. However, it should not be used in an application where personal injury or property loss could occur if the Breeze failed for any reason. Origin Instruments products are not authorized for use as surgical aids or as part of a system intended to support or sustain life. The user assumes full responsibility for determining the suitability of Breeze for the intended application.

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HeadMouse is a registered trademark of Origin Instruments Corporation. Tapio, PageBot, Swifty, Beam, Orby, Breeze, SofType, Dragger, and AirVoter are trademarks of Origin Instruments Corporation. All other trademarks are the property of their respective owners.