1================
2ESP32-S2-Saola-1
3================
4
5:link_to_translation:`zh_CN:[中文]`
6
7This user guide provides information on ESP32-S2-Saola-1, a small-sized `ESP32-S2 <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf>`_ based development board produced by Espressif.
8
9.. figure:: ../../../_static/esp32-s2-saola-1-v1.2-isometric.png
10    :align: center
11    :alt: ESP32-S2-Saola-1
12    :figclass: align-center
13
14    ESP32-S2-Saola-1
15
16The document consists of the following major sections:
17
18- `Getting started`_: Provides an overview of the ESP32-S2-Saola-1 and hardware/software setup instructions to get started.
19- `Hardware reference`_: Provides more detailed information about the ESP32-S2-Saola-1's hardware.
20- `Related Documents`_: Gives links to related documentation.
21
22Getting Started
23===============
24
25This section describes how to get started with ESP32-S2-Saola-1. It begins with a few introductory sections about the ESP32-S2-Saola-1, then Section `Start Application Development`_ provides instructions on how to get the ESP32-S2-Saola-1 ready and flash firmware into it.
26
27Overview
28--------
29
30ESP32-S2-Saola-1 is a small-sized ESP32-S2 based development board produced by Espressif. Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-S2-Saola-1 on a breadboard.
31
32To cover a wide range of users' needs, ESP32-S2-Saola-1 supports:
33
34- `ESP32-S2-WROVER <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wrover_esp32-s2-wrover-i_datasheet_en.pdf>`_
35- `ESP32-S2-WROVER-I <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wrover_esp32-s2-wrover-i_datasheet_en.pdf>`_
36- `ESP32-S2-WROOM <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wroom_esp32-s2-wroom-i_datasheet_en.pdf>`_
37- `ESP32-S2-WROOM-I <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wroom_esp32-s2-wroom-i_datasheet_en.pdf>`_
38
39In this guide, we take ESP32-S2-Saola-1 equipped with ESP32-S2-WROVER as an example.
40
41Contents and Packaging
42----------------------
43
44Retail orders
45^^^^^^^^^^^^^
46
47If you order a few samples, each ESP32-S2-Saola-1 comes in an individual package in either antistatic bag or any packaging depending on your retailer.
48
49For retail orders, please go to https://www.espressif.com/en/company/contact/buy-a-sample.
50
51
52Wholesale Orders
53^^^^^^^^^^^^^^^^
54
55If you order in bulk, the boards come in large cardboard boxes.
56
57For wholesale orders, please check `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF)
58
59Description of Components
60-------------------------
61
62.. figure:: ../../../_static/esp32-s2-saola-1-v1.2-annotated-photo.png
63    :align: center
64    :alt: ESP32-S2-Saola-1 - front/back
65    :figclass: align-center
66
67    ESP32-S2-Saola-1 - front
68
69.. list-table::
70   :widths: 30 70
71   :header-rows: 1
72
73   * - Key Component
74     - Description
75   * - ESP32-S2-WROVER
76     - ESP32-S2-WROVER is a powerful, generic Wi-Fi MCU module that integrates ESP32-S2. It has a PCB antenna, a 4 MB external SPI flash and an additional 2 MB PSRAM.
77   * - I/O Connector
78     - All available GPIO pins (except for the SPI bus for flash and PSRAM) are broken out to the pin headers on the board. Users can program ESP32-S2 chip to enable multiple functions such as SPI, I2S, UART, I2C, touch sensors, PWM etc.
79   * - USB to UART Bridge
80     - Single USB-UART bridge chip provides transfer rates up to 3 Mbps.
81   * - Boot Button
82     - Download button. Holding down **Boot** and then pressing **Reset** initiates Firmware Download mode for downloading firmware through the serial port.
83   * - Reset Button
84     - Reset button.
85   * - 3.3 V Power On LED
86     - Turns on when the USB power is connected to the board.
87   * - Micro-USB Port
88     - USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32-S2 chip.
89   * - RGB LED
90     - Addressable RGB LED (WS2812), driven by GPIO18.
91
92
93Start Application Development
94-----------------------------
95
96Before powering up your ESP32-S2-Saola-1, please make sure that it is in good condition with no obvious signs of damage.
97
98Required Hardware
99^^^^^^^^^^^^^^^^^
100
101- ESP32-S2-Saola-1
102- USB 2.0 cable (Standard-A to Micro-B)
103- Computer running Windows, Linux, or macOS
104
105Software Setup
106^^^^^^^^^^^^^^
107
108Please proceed to :doc:`../../get-started/index`, where Section :ref:`get-started-step-by-step` will quickly help you set up the development environment and then flash an application example into your ESP32-S2-Saola-1.
109
110.. note::
111
112    ESP32-S2 only supports ESP-IDF master or version v4.2 and higher.
113
114Hardware Reference
115==================
116
117Block Diagram
118-------------
119
120A block diagram below shows the components of ESP32-S2-Saola-1 and their interconnections.
121
122.. figure:: ../../../_static/esp32-s2-saola-1-v1.2-block-diags.png
123    :align: center
124    :scale: 70%
125    :alt: ESP32-S2-Saola-1 (click to enlarge)
126    :figclass: align-center
127
128    ESP32-S2-Saola-1 (click to enlarge)
129
130Power Supply Options
131^^^^^^^^^^^^^^^^^^^^
132
133There are three mutually exclusive ways to provide power to the board:
134
135- Micro USB port, default power supply
136- 5V and GND header pins
137- 3V3 and GND header pins
138
139Related Documents
140=================
141* `ESP32-S2-Saola-1 Schematics <https://dl.espressif.com/dl/schematics/ESP32-S2-SAOLA-1_V1.1_schematics.pdf>`_ (PDF)
142* `ESP32-S2-Saola-1 Dimensions <https://dl.espressif.com/dl/schematics/ESP32-S2-Saola-1_V1.2_Dimensions.pdf>`_ (PDF)
143* `ESP32-S2 Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf>`_ (PDF)
144* `ESP32-S2-WROVER & ESP32-S2-WROVER-I Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wrover_esp32-s2-wrover-i_datasheet_en.pdf>`_ (PDF)
145* `ESP32-S2-WROOM & ESP32-S2-WROOM-I Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-s2-wroom_esp32-s2-wroom-i_datasheet_en.pdf>`_ (PDF)
146* `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF)
147
148For other design documentation for the board, please contact us at sales@espressif.com.
149