Just tap to connect:
Nintendo Switch – You can tap your amiibo to the right Joy-Con controller’s Right Stick or the Nintendo Switch Pro Controller’s NFC touchpoint.
Nintendo Wii U – Tap any amiibo accessory to the near-field communication (NFC) reader on your Wii U GamePad controller to score all kinds of bonuses in compatible games.
New Nintendo 3DS XL/LL – The New Nintendo 3DS XL comes with built-in amiibo support. Just tap an amiibo to the NFC reader on the lower screen and go!
Nintendo 3DS – You can also use amiibo with Nintendo 3DS, Nintendo 3DS XL or Nintendo 2DS systems via the Nintendo 3DS NFC Reader/Writer accessory.