The Betaflight gui will only connect to betaflight. The Flip 1.5 runs multiwii which requires a multiwii gui corresponding to the firmware version you have (probably indicated on the packaging when you received it).If you want to see whats going on from a gui, here is the list of multiwii firmwares wth GUI included.
So what exactly happens when you arm the board. Are the motors out of control or do they seem to spin approximately proportional to your throttle (they will begin to spin at different speeds and faster over time if left on a table).
So what exactly happens when you arm the board. Are the motors out of control or do they seem to spin approximately proportional to your throttle (they will begin to spin at different speeds and faster over time if left on a table).