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Here are some disassembly pictures and tips. Tools needed: Either a precision flat-head or Philips screwdriver: There are two flat-head/Phillips hybrid screws that hold the the battery cover down. These two screws do not come completely out the battery cover. T9 Star Key: There are six T9 star screws. Four on the corners of the housing and two hidden ...


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I was able to remove the screws properly with a Torx T9 screwdriver from our Duplo Train Push & Go Motor (28743).


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The NXT only works with the EV3 desktop software (for Windows and Mac) and only via USB. I'm not aware of any way to program NXT using an iPad (or Android, or Chromebook).


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I can confirm that using something like jncranton suggested (a third-party library that speaks to PoweredUp devices over bluetooth), you can use a computer to control several PoweredUp devices at once. The limit seems to be the number of devices your Bluetooth will pair with. The Remote is a smart hub like the battery box so each remote counts as one ...


1

As far as I know, this is not possible using the current stock firmware. The battery box can only pair with one device. The UI on the battery box is a single button, and for simplicity the device is either in a mode where it is looking for a device to pair with (flashing light) or already paired (solid light). There isn't a way to pair it with another device ...


1

Check out with nRF Connect app -> if you can find it with it, you can read services and characteristics of this lego peripheral and based on that control it. Good luck!


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