It's been smartly designed to incorporate a small vibration motor – along with a coin cell battery and slideswitch – with no soldering needed to connect them.the premise is the same for this circuit as it was for the last: The holder gets 3D printed and the Cutout/hole is what you use to create space for the holder to be inserted in your design.
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Answer:
It's been smartly designed to incorporate a small vibration motor – along with a coin cell battery and slideswitch – with no soldering needed to connect them.the premise is the same for this circuit as it was for the last: The holder gets 3D printed and the Cutout/hole is what you use to create space for the holder to be inserted in your design.