This is the simplest of the FMS interfaces but is only compatable with W95, W98 and WME. For later versions of Windows use the PIC Serial interface or the R/C USB Joystick interface
Simple IRQ serial interface from a transmitter buddy connection to a PC for the FMS simulator.
Compatible with W95,W98,WME.
PIC Serial version available for above and W2K,WXP.
IRQ Serial Setup
Circuit diagram for JR
IRQ Serial comp. layout
IRQ Parallel Setup
FMS UK Manual