Hi, I want to create an app to control an hovercraft with an arduino and I can't there 1 brusheless motor, 1 fan, 1 servo motor (daggerboard), 1 bloothoth module, 1 ESC to control the brushless motor so yeah..
What have you tried? What bluetooth module are you using? There are tutorials on this community to send/receive data to some modules; use the search feature to find them.