https://tscircuit.com/rushabhcodes/ESP32

..

<@809856037376491570> <@778624824875941908>

Where are the schematic text's? That was the first thing we should add before requesting review as mentioned yesterday

Also use multisheet

<@398467566588264449>

U1’s battery output also feeds the regulator and system. Running the reader while charging can interfere with charge termination; USB-only operation without a battery is also not assured. | Add a power-path/load-sharing circuit, or explicitly require charging with the reader switched off. P1 grounds GPIO9, but GPIO8 is used for SPI clock with no explicit pull-up. Reliable ROM download mode requires GPIO8 high when GPIO9 is low. | Add a suitable GPIO8 pull-up and verify programming with the display and SD card connected. | A 3.3 V LDO cannot maintain 3.3 V throughout a single-cell LiPo’s discharge range. | Verify the lowest usable battery voltage under Wi-Fi, SD-card and display loads; consider a buck-boost supply. |

https://www.xteink.com/products/xteink-x3 Quite small and also has a magsafe <@757706909351411845> <@452450065941004289>

<@452450065941004289> yep that's the one, literally perfect

yeah

The hot-swappable buttons make the board too wide to fit behind a phone, and the display i selected before this discussion is also a bit too large. Is it okay to make the first prototype bigger and work toward a phone-sized version later, or should we switch to smaller buttons and display now?

the ref that rishabh shared also uses side buttons

<@757706909351411845>

I think we should switch to smaller standard buttons. That would reduce the board’s width and bring us closer to a phone-sized design.