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6 The ESP32-S3-EYE is a small-sized AI development board produced by [Espressif](https://espressif.co…
7 It is based on the [ESP32-S3](https://www.espressif.com/en/products/socs/esp32-s3) SoC.
8 It features a 2-Megapixel camera, an LCD display, and a microphone, which are used for image
9 recognition and audio processing. ESP32-S3-EYE offers plenty of storage, with an 8 MB Octal PSRAM
15 The ESP32-S3-EYE board consists of two parts: the main board (ESP32-S3-EYE-MB) that integrates the
16 ESP32-S3-WROOM-1 module, camera, SD card slot, digital microphone, USB port, and function buttons;
17 and the sub board (ESP32-S3-EYE-SUB) that contains an LCD display.
21 -------------
23 The block diagram below presents main components of the ESP32-S3-EYE-MB main board (on the left)
24 and the ESP32-S3-EYE-SUB sub board (on the right), as well as the interconnections between
27 .. figure:: img/ESP32-S3-EYE_20210913_V03_SystemBlock.webp
29 :alt: ESP32-S3-EYE Block Diagram
31 Components on the ESP32-S3-EYE-MB Main Board
32 --------------------------------------------
34 .. figure:: img/ESP32-S3-EYE_MB-annotated-photo.webp
36 :alt: ESP32-S3-EYE_MB
38 .. list-table:: Key Components MB
39 :header-rows: 1
41 * - No.
42 - Key Component
43 - Description
44 * - 1
45 - Camera
46 …- The camera OV2640 with 2 million pixels has a 66.5° field of view and a maximum resolution of 16…
47 * - 2
48 - Module Power LED
49 …- The LED (green) turns on when USB power is connected to the board. If it is not turned on, it in…
50 * - 3
51 - Pin Headers
52 - Connect the female headers on the sub board.
53 * - 4
54 - 5 V to 3.3 V LDO
55 - Power regulator that converts a 5 V supply into a 3.3 V output for the module.
56 * - 5
57 - Digital Microphone
58 … - The digital I2S MEMS microphone features 61 dB SNR and –26 dBFS sensitivity, working at 3.3 V.
59 * - 6
60 - FPC Connector
61 - Connects the main board and the sub board.
62 * - 7
63 - Function Button
64 …- There are six function buttons on the board. Users can configure any functions as needed except …
65 * - 8
66 - ESP32-S3-WROOM-1
67 …- The ESP32-S3-WROOM-1 module embeds the ESP32-S3R8 chip variant that provides Wi-Fi and Bluetooth…
68 * - 9
69 - MicroSD Card Slot
70 - Used for inserting a MicroSD card to expand memory capacity.
71 * - 10
72 - 3.3 V to 1.5 V LDO
73 - Power regulator that converts a 3.3 V supply into a 1.5 V output for the camera.
74 * - 11
75 - 3.3 V to 2.8 V LDO
76 - Power regulator that converts a 3.3 V supply into a 2.8 V output for the camera.
77 * - 12
78 - USB Port
79 …- A Micro-USB port used for 5 V power supply to the board, as well as for communication with the c…
80 * - 13
81 - Battery Soldering Points
82 …- Used for soldering a battery socket to connect an external Li-ion battery that can serve as an a…
83 * - 14
84 - Battery Charger Chip
85 …- 1 A linear Li-ion battery charger (ME4054BM5G-N) in ThinSOT package. The power source for chargi…
86 * - 15
87 - Battery Red LED
88 …- When the USB power is connected to the board and a battery is not connected, the red LED blinks.…
89 * - 16
90 - Accelerometer
91 - Three-axis accelerometer (QMA7981) for screen rotation, etc.
93 Components on the ESP32-S3-EYE-SUB Sub Board
94 --------------------------------------------
96 .. figure:: img/ESP32-S3-EYE_SUB-annotated-photo.webp
98 :alt: ESP32-S3-EYE_SUB
100 .. list-table:: Key Components SUB
101 :header-rows: 1
103 * - Key Component
104 - Description
105 * - LCD Display
106 - 1.3” LCD display, connected to ESP32-S3 over the SPI bus.
107 * - Strapping Pins
108 - Four strapping pins led out from the main board. They can be used as testing points.
109 * - Female Headers
110 - Used for mounting onto the pin headers on the main board.
111 * - LCD FPC Connector
112 - Connects the sub board and the LCD display.
113 * - LCD_RST
114 - LCD_RST testing point. You can use it to reset the LCD display with control signals.
122 .. code-block:: console
134 -----------
144 ------------------
164 --------
171 .. zephyr-app-commands::
173 :zephyr-app: samples/hello_world
176 :west-args: --sysbuild
183 Zephyr build. Output is structured by the domain subdirectories:
185 .. code-block::
200 With ``--sysbuild`` option the bootloader will be re-build and re-flash
206 ------------
221 .. zephyr-app-commands::
222 :zephyr-app: samples/hello_world
227 configuration. Here is an example for the :zephyr:code-sample:`hello_world`
230 .. zephyr-app-commands::
231 :zephyr-app: samples/hello_world
237 .. code-block:: shell
244 .. code-block:: console
246 ***** Booting Zephyr OS vx.x.x-xxx-gxxxxxxxxxxxx *****
252 ESP32-S3 modules require patches to OpenOCD that are not upstreamed yet.
258 ``-DOPENOCD=<path/to/bin/openocd> -DOPENOCD_DEFAULT_PATH=<path/to/openocd/share/openocd/scripts>``
261 Here is an example for building the :zephyr:code-sample:`hello_world` application.
263 .. zephyr-app-commands::
264 :zephyr-app: samples/hello_world
267 …:gen-args: -DOPENOCD=<path/to/bin/openocd> -DOPENOCD_DEFAULT_PATH=<path/to/openocd/share/openocd/s…
269 You can debug an application in the usual way. Here is an example for the :zephyr:code-sample:`hell…
272 .. zephyr-app-commands::
273 :zephyr-app: samples/hello_world
277 .. _`OpenOCD ESP32`: https://github.com/espressif/openocd-esp32/releases