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No, 5v from a flight controller that gets it from your ESC or if you have OPTO ESCs then from a BEC.

It won't bind? If so just unplug everything but the bind plug and some power

Is your frame carbon fiber?

Syma makes a really small one called the Syma x12. It is a really nice model as far as nano quads go, and may be perfect for indoor flight. Eachine makes a nice one also, but it may be a little too powerful for indoor flight.

It might be possible to cut the cost of sonar by having one module rotating and a way to know what angle the sonar module is to link with the data. Have it rotate in lets say 45 degree increments. Looks like 950kv (or lower if you can afford them) motors, 30 amp ESCs, ~5000mAh battery...

With some processing software you could make a google maps street view like feature, and even have the sonar and time info make it into a 3D model of the room.

You may like the looks of this for mapping also. You can move it around with the arrows (be sure to change the quality to 1080s).

Ideally a hex would be good for your situation, but it may be a bit out of your price range. Approximately how much weight would you add to it? Flying inside is a bit hard because of drifting, but with sonar modules it can be made a lot better.

Are you in the US? IDK how the shipping rates are in Canada vs the US, but probably pretty close.

What is your budget for the quadcopter hardware?

You might not need a 25C battery, a 10C is a good bit lighter and sufficient for most things.

If you're going to be using a PI (B+?) then I'd suggest you get ~950kv motors and 12'' props, 30 amp ESCs cost would be around $260(USD) What are your general goals? Stabilization is VERY hard to do, and there are a lot of good systems out there for this. If you want to do the software...

Amazon link is broken.

How far did it get off the ground? Did it wobble, if so slow or fast? I'd suggest you get a toy grade quad, they cheaper than props, and can handle crashes because they are light.

Do you have a level (or level app on a smartphone would suffice)? If so take a small table out in some grass(or your house, but grass is easier, and push the legs into the grass, or prop them up until it is level both ways.

It will take off even if they are out of sync, if it is not a half second or more delay it is not the motor's sync

Tripple check that all of the motors are spinning the right way and that your motors are plugged into the correct place on the FCB, while you check the motors check your props too. CW===CCW CCW===CW

Close enough haha

If it still does not take off check that all of your props and motors are correct.

Make sure you have the ACC calibrated on flat, level ground, and if you take off from a slight slope one will spin faster until your in the air.