TBS Unify is an awesome video transmitter. Now there's an equally awesome way to mount the Unify in your quadcopter's flight controller stack. WhitenoiseFPV has developed a 36mm circuit board that the Unify solders to, allowing it to mount in the stack like any other device. And you can solder your receiver to the other side, meaning that all your electronics fit neatly in the stack!
I'll show you how to solder up the board and install it in your quadcopter. I'll also tell you a couple of down-sides to this board that might not be immediately obvious.
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