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8.2 KiB
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===================
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ESP32-C3-DevKitC-02
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===================
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:link_to_translation:`zh_CN:[中文]`
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This user guide will help you get started with ESP32-C3-DevKitC-02 and will also provide more in-depth information.
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ESP32-C3-DevKitC-02 is an entry-level development board based on `ESP32-C3-WROOM-02 <https://www.espressif.com/sites/default/files/documentation/esp32-c3-wroom-02_datasheet_en.pdf>`_, a general-purpose module with 4 MB SPI flash. This board integrates complete Wi-Fi and Bluetooth LE functions.
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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-C3-DevKitC-02 on a breadboard.
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.. figure:: ../../../_static/esp32-c3-devkitc-02-v1-isometric.png
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:align: center
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:alt: ESP32-C3-DevKitC-02
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:figclass: align-center
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ESP32-C3-DevKitC-02
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The document consists of the following major sections:
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- `Getting Started`_: Overview of ESP32-C3-DevKitM-1 and hardware/software setup instructions to get started.
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- `Hardware Reference`_: More detailed information about the ESP32-C3-DevKitM-1's hardware.
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- `Hardware Revision Details`_: Revision history, known issues, and links to user guides for previous versions (if any) of ESP32-C3-DevKitM-1.
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- `Related Documents`_: Links to related documentation.
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Getting Started
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===============
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This section provides a brief introduction of ESP32-C3-DevKitM-1, instructions on how to do the initial hardware setup and how to flash firmware onto it.
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Description of Components
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-------------------------
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.. _user-guide-c3-devkitc-02-v1-board-front:
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.. figure:: ../../../_static/esp32-c3-devkitc-02-v1-annotated-photo.png
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:align: center
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:alt: ESP32-C3-DevKitC-02 - front
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:figclass: align-center
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ESP32-C3-DevKitC-02 - front
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.. list-table::
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:widths: 30 70
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:header-rows: 1
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* - Key Component
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- Description
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* - ESP32-C3-WROOM-02
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- ESP32-C3-WROOM-02 from Espressif is a powerful and general-purpose module that offers Wi-Fi and Bluetooth LE coexistence. It has a PCB antenna and a 4 MB SPI flash.
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* - 5 V to 3.3 V LDO
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- Power regulator that converts a 5 V supply into a 3.3 V output.
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* - 5 V Power On LED
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- Turns on when the USB power is connected to the board.
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* - I/O Connector
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- All available GPIO pins (except for the SPI bus for flash) are broken out to the pin headers on the board. For details, please see :ref:`user-guide-c3-devkitc-02-v1-header-blocks`.
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* - Boot Button
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- Download button. Holding down **Boot** and then pressing **Reset** initiates Firmware Download mode for downloading firmware through the serial port.
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* - Micro-USB Port
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- USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32-C3 chip.
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* - Reset Button
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- Press this button to restart the system.
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* - USB-to-UART Bridge
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- Single USB-to-UART bridge chip provides transfer rates up to 3 Mbps.
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* - RGB LED
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- Addressable RGB LED, driven by GPIO8.
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Start Application Development
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-----------------------------
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Before powering up your ESP32-C3-DevKitC-02, please make sure that it is in good condition with no obvious signs of damage.
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Required Hardware
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^^^^^^^^^^^^^^^^^
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- ESP32-C3-DevKitC-02
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- USB 2.0 cable (Standard-A to Micro-B)
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- Computer running Windows, Linux, or macOS
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.. note::
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Be sure to use a good quality USB cable. Some cables are for charging only and do not provide the needed data lines nor work for programming the boards.
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Software Setup
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^^^^^^^^^^^^^^
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Please 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-C3-DevKitC-02.
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Contents and Packaging
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----------------------
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Retail orders
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^^^^^^^^^^^^^
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If you order a few samples, each ESP32-C3-DevKitC-02 comes in an individual package in either antistatic bag or any packaging depending on your retailer.
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For retail orders, please go to https://www.espressif.com/en/company/contact/buy-a-sample.
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Wholesale Orders
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^^^^^^^^^^^^^^^^
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If you order in bulk, the boards come in large cardboard boxes.
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For wholesale orders, please check `Espressif Product Ordering Information <https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf>`_ (PDF)
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Hardware Reference
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==================
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Block Diagram
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-------------
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The block diagram below shows the components of ESP32-C3-DevKitC-02 and their interconnections.
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.. figure:: ../../../_static/esp32-c3-devkitc-02-v1-block-diags.png
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:align: center
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:scale: 70%
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:alt: ESP32-C3-DevKitC-02 (click to enlarge)
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:figclass: align-center
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ESP32-C3-DevKitC-02 (click to enlarge)
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Power Supply Options
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^^^^^^^^^^^^^^^^^^^^
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There are three mutually exclusive ways to provide power to the board:
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- Micro USB port, default power supply
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- 5V and GND header pins
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- 3V3 and GND header pins
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It is recommended to use the first option: micro USB port.
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.. _user-guide-c3-devkitc-02-v1-header-blocks:
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Header Block
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------------
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The two tables below provide the **Name** and **Function** of I/O header pins on both sides of the board, as shown in :ref:`user-guide-c3-devkitc-02-v1-board-front`. The numbering and names are the same as in the `ESP32-C3-DevKitC-02 Schematic <https://dl.espressif.com/dl/schematics/SCH_ESP32-C3-DEVKITC-02_V1_1_20210126A.pdf>`_ (PDF).
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J1
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^^^
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=== ==== ========== ===================================
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No. Name Type [#]_ Function
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=== ==== ========== ===================================
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1 G G Ground
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2 3V3 P 3.3 V power supply
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3 3V3 P 3.3 V power supply
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4 RST I CHIP_PU
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5 G G Ground
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6 4 I/O/T GPIO4, ADC1_CH4, FSPIHD, MTMS
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7 5 I/O/T GPIO5, ADC2_CH0, FSPIWP, MTDI
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8 6 I/O/T GPIO6, FSPICLK, MTCK
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9 7 I/O/T GPIO7, FSPID, MTDO
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10 G G Ground
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11 8 I/O/T GPIO8 [#]_
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12 9 I/O/T GPIO9
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13 5V P 5 V power supply
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14 5V P 5 V power supply
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15 G G Ground
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=== ==== ========== ===================================
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J3
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^^^
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=== ==== ===== ====================================
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No. Name Type Function
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=== ==== ===== ====================================
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1 G G Ground
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2 0 I/O/T GPIO0, ADC1_CH0, XTAL_32K_P
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3 1 I/O/T GPIO1, ADC1_CH1, XTAL_32K_N
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4 2 I/O/T GPIO2, ADC1_CH2, FSPIQ
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5 3 I/O/T GPIO3, ADC1_CH3
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6 G G Ground
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7 10 I/O/T GPIO10, FSPICS0
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8 G G Ground
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9 RX I/O/T GPIO20, U0RXD
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10 TX I/O/T GPIO21, U0TXD
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11 G G Ground
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12 18 I/O/T GPIO18
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13 19 I/O/T GPIO19
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14 G G Ground
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15 G G Ground
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=== ==== ===== ====================================
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.. [#] P: Power supply; I: Input; O: Output; T: High impedance.
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.. [#] Used to drive the RGB LED.
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Pin Layout
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^^^^^^^^^^^
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.. figure:: ../../../_static/esp32-c3-devkitc-02-v1-pinout.png
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:align: center
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:alt: ESP32-C3-DevKitC-02
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:figclass: align-center
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ESP32-C3-DevKitC-02 Pin Layout
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Hardware Revision Details
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=========================
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No previous versions available.
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Related Documents
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=================
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* `ESP32-C3 Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf>`_ (PDF)
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* `ESP32-C3-WROOM-02 Datasheet <https://www.espressif.com/sites/default/files/documentation/esp32-c3-wroom-02_datasheet_en.pdf>`_ (PDF)
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* `ESP32-C3-DevKitC-02 Schematic <https://dl.espressif.com/dl/schematics/SCH_ESP32-C3-DEVKITC-02_V1_1_20210126A.pdf>`_ (PDF)
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* `ESP32-C3-DevKitC-02 PCB Layout <https://dl.espressif.com/dl/schematics/PCB_ESP32-C3-DevKitC-02_V1_1_20210121AA.pdf>`_ (PDF)
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* `ESP32-C3-DevKitC-02 Dimensions <https://dl.espressif.com/dl/schematics/DXF_ESP32-C3-DevKitC-02_V1_1_20210121AA.pdf>`_ (PDF)
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* `ESP32-C3-DevKitC-02 Dimensions source file <https://dl.espressif.com/dl/schematics/DXF_ESP32-C3-DevKitC-02_V1_1_20210121AA.dxf>`_ (DXF) - You can view it with `Autodesk Viewer <https://viewer.autodesk.com/>`_ online
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For further design documentation for the board, please contact us at `sales@espressif.com <sales@espressif.com>`_.
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