crwdns2933803:06crwdne2933803:0
crwdns2933797:0Andrew Optimus Goldheartcrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Andrew Optimus Goldheart
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
[* icon_note] Back to those capacitative sensors we mentioned. Under that funky film is certainly a grid of...something. | |
- | [* black] Each of the gold rectangles on this back panel is a single plate of a capacitor. |
+ | [* black] Each of the gold rectangles on this back panel is a single plate of a [https://en.wikipedia.org/wiki/Capacitance|parallel plate capacitor]. |
[* black] Each box has a tiny trace (the dark areas are actually highways of many traces) running back to the control chip. Which... | |
- | [* red] ...We find on the backside of the panel, probably. We believe this chip to be the controller for the pressure sensors. |
- | [* black] But just how does this display work? |
+ | [* red] ...We find on the backside of the panel, probably. This Apple-custom chip is responsible for wrangling the capacitors—keeping them charged and measuring changes in current to and from each. |