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Changes to Step #7

Edit by Evan Noronha

Edit approved by Evan Noronha

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[* black] Following our intuition, we try for the trackpad next, and are pleasantly surprised at the ease of its removal.
[* black] This trackpad continues the [guide|38300|Force Touch|stepid=86941|new_window=true] legacy seen in last year's Retina MacBook, as well as in the iPhone 7's home button.
[* black] We find the Taptic Engine, AKA the ~~magic~~ electromagnet behind Force Touch, to be simply secured with screws and spring contacts.
+[* icon_note] We ''also'' find some [guide|39841|familiar|stepid=89866|new_window=true] digital hardware piggybacking on the trackpad:
+ [* red] ST Microelectronics [http://www.st.com/content/st_com/en/products/microcontrollers/stm32-32-bit-arm-cortex-mcus/stm32f1-series/stm32f103/stm32f103vb.html|STM32F103VB|new_window=true] ARM Cortex-M3 MCU
+ [* orange] Broadcom BCM5976C1KUFBG Touch Controller

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