Дайте пожалуйста ссылку на Naze32/flip32 который умеет GPS hold и RTH (где брали мозг + GPS, какую прошивку ставили). Можно ли подключить OSD - там же serial port всего 1?
в них можно включить функцию softserial для дополнительных uart портов.
любой naze32 (не acro) или flip32+ умеет
можно взять например тут
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