XHSI (eXternal High-resolution Simulator Instruments) is an add-on for the X-Plane flight simulator. It displays the PFD, ND, EICAS, Flaps and Gear indicator, Clock/Chronometer, etc... in separate windows. In general, the instruments can be displayed in B737-NG or A320 style.
External Overhead panel and much more for X-Plane A320 JARDESIGN
XOVERHEAD (eXternal Overhead panel) is an add-on for the X-Plane flight simulator. It displays mainly the overhead panel and also some other useful panels. The instruments can be displayed in A320 style. Actually applications support only JARDESIGN A320 X-Plane dataref.
Throttle control for QPAC A320 V2 Basic plane on X-Plane on Linux
...It converts the linear output range of the unit into forward and reverse power ranges, openng and closing the thrust-reversers round the 25% point of the unit's range.
The built-in disconnect buttons on the handles can be used as intended; the end-switches at the full-reverse position of the handles are not used.