Espressif ESP8685-WROOM-05 WiFi and Bluetooth LE Module Manuel utilisateur

Marque: Espressif

Modèle: ESP8685-WROOM-05 WiFi and Bluetooth LE Module

Catégorie: Antennes réseau

Taper: Manuel utilisateur

ESP8685WROOM05

User Manual

Pre-release v0.1

Espressif Systems

www.espressif.com

About This Document

This user manual shows how to get started with the ESP8685-WROOM-05 module.

Document Updates

Please always refer to the latest version on https://www.espressif.com/en/support/download/documents.

Revision History

For revision history of this document, please refer to the last page.

Documentation Change Notification

Espressif provides email notifications to keep you updated on changes to technical documentation. Please sub-

scribe at www.espressif.com/en/subscribe.

Certification

Download certificates for Espressif products from www.espressif.com/en/certificates.

Contents

1 Overview 4

1.1 Module Overview 4

1.2 Pin Description 5

2 Get Started on ESP8685WROOM05 7

2.1 What You Need 7

2.2 Hardware Connection 7

2.3 Set up Development Environment 8

2.3.1 Install Prerequisites 8

2.3.2 Get ESP-IDF 8

2.3.3 Set up Tools 9

2.3.4 Set up Environment Variables 9

2.4 Create Your First Project 9

2.4.1 Start a Project 9

2.4.2 Connect Your Device 9

2.4.3 Configure 9

2.4.4 Build the Project 10

2.4.5 Flash onto the Device 11

2.4.6 Monitor 12

3 U.S. FCC Statement 13

4 IC Statement 17

5 Learning Resources 20

5.1 Must-Read Documents 20

5.2 Important Resources 20

Revision History 21

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1 Overview

1.1 Module Overview

ESP8685-WROOM-05 is a general-purpose Wi-Fi and Bluetooth LE module. The rich set of peripherals and a small

size make this module an ideal choice for smart homes, industrial automation, health care, consumer electronics,

etc.

Table 1: ESP8685WROOM05 Specifications

Categories Parameters Specifications

Wi-Fi Protocols 802.11 b/g/n (up to 150 Mbps)

Frequency range 2412 ~2462 MHz

Bluetooth®

Protocols Bluetooth®LE: Bluetooth 5 and Bluetooth mesh

Radio Class-1, class-2 and class-3 transmitter

Hardware

Module interfaces

GPIO, SPI, UART, I2C, I2S, remote control peripheral,

LED PWM controller, general DMA controller, TWAI®

controller (compatible with ISO 11898-1), temperature

sensor, SAR ADC

Integrated crystal 40 MHz crystal

Operating voltage/Power supply 3.0 V ~3.6 V

Operating current Average: 80 mA

Minimum current delivered by power

supply 500 mA

Ambient temperature –40 °C ~+105 °C

Moisture sensitivity level (MSL) Level 3

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1 Overview

1.2 Pin Description

Keepout Zone

Pin Layout (Top)

1 2 345 6 7

IO3 IO7 IO6 IO4 IO5 GND 3V3

GND

3V3 RX

TX IO9

EPAD

Pin Layout (Bottom)

Keepout Zone

76 5 432 1

3V3 GND IO5 IO4 IO6 IO7 IO3

9 10

Figure 1: Pin Layout (Top View)

The module has 7 pins and 6 test points. See pin definitions in Table 2.

For peripheral pin configurations, please refer to ESP8685 Datasheet .

Table 2: Pin Definitions

Name No. Type1Function

IO3 1 I/O/T GPIO3, ADC1_CH3, LED PWM

IO7 2 I/O/T GPIO7, FSPID, MTDO, LED PWM

IO6 3 I/O/T GPIO6, FSPICLK, MTCK, LED PWM

IO4 4 I/O/T GPIO4, ADC1_CH4, FSPIHD, MTMS, LED PWM

IO5 5 I/O/T GPIO5, ADC2_CH0, FSPIWP, MTDI, LED PWM

GND 6 P Ground

Cont’d on next page

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Table 2 – cont’d from previous page

Name No. Type1Function

3V3 7 P Power supply

1P: power supply; I: input; O: output; T: high impedance.

Table 3: Test Point Definitions

Name No. Type1Function

GND 8 P Ground

3V3 9 P Power supply

RX 10 I/O/T GPIO20, U0RXD

TX 11 I/O/T GPIO21, U0TXD

IO9 12 I/O/T GPIO9

EN 13 I

High: on, enables the chip.

Low: off, the chip powers off.

By default, this pin is internally pulled high.

1P: power supply; I: input; O: output; T: high impedance.

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2 Get Started on ESP8685WROOM05

2.1 What You Need

To develop applications for ESP8685-WROOM-05 module you need:

• 1 x ESP8685-WROOM-05 module

• 1 x Espressif RF testing board

• 1 x USB-to-Serial board

• 1 x Micro-USB cable

• 1 x PC running Linux

In this user guide, we take Linux operating system as an example. For more information about the configuration

on Windows and macOS, please refer to ESP-IDF Programming Guide.

2.2 Hardware Connection

1. Solder the ESP8685-WROOM-05 module to the RF testing board as shown in Figure 2.

Figure 2: Hardware Connection

2. Connect the RF testing board to the USB-to-Serial board via TXD, RXD, and GND.

3. Connect the USB-to-Serial board to the PC.

4. Connect the RF testing board to the PC or a power adapter to enable 5 V power supply, via the Micro-USB

cable.

5. During download, connect IO0 to GND via a jumper. Then, turn ”ON” the testing board.

6. Download firmware into flash. For details, see the sections below.

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7. After download, remove the jumper on IO9 and GND.

8. Power up the RF testing board again. ESP8685-WROOM-05 will switch to working mode. The chip will read

programs from flash upon initialization.

Note:

IO9 is internally logic high. If IO9 is pulled low, the Download mode is selected. In other cases, the Boot mode is selected.

2.3 Set up Development Environment

The Espressif IoT Development Framework (ESP-IDF for short) is a framework for developing applications based on

the Espressif chips. Users can develop applications with ESP chips in Windows/Linux/macOS based on ESP-IDF.

Here we take Linux operating system as an example.

2.3.1 Install Prerequisites

To compile with ESP-IDF you need to get the following packages:

• CentOS 7:

sudo yum install git wget flex bison gperf python cmake ninja-build ccache dfu-util

• Ubuntu and Debian (one command breaks into two lines):

sudo apt-get install git wget flex bison gperf python python-pip python-setuptools cmake

ninja-build ccache libffi-dev libssl-dev dfu-util

• Arch:

sudo pacman -S --needed gcc git make flex bison gperf python-pip cmake ninja ccache dfu-util

Note:

• This guide uses the directory ~/esp on Linux as an installation folder for ESP-IDF.

• Keep in mind that ESP-IDF does not support spaces in paths.

2.3.2 Get ESPIDF

To build applications for ESP8685-WROOM-05 module, you need the software libraries provided by Espressif in

ESP-IDF repository.

To get ESP-IDF, create an installation directory (~/esp) to download ESP-IDF to and clone the repository with ‘git

clone’:

mkdir -p ~/esp

cd ~/esp

git clone --recursive https://github.com/espressif/esp-idf.git

ESP-IDF will be downloaded into ~/esp/esp-idf. Consult ESP-IDF Versions for information about which ESP-IDF

version to use in a given situation.

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2.3.3 Set up Tools

Aside from the ESP-IDF, you also need to install the tools used by ESP-IDF, such as the compiler, debugger, Python

packages, etc. ESP-IDF provides a script named ’install.sh’ to help set up the tools in one go.

cd ~/esp/esp-idf

./install.sh

2.3.4 Set up Environment Variables

The installed tools are not yet added to the PATH environment variable. To make the tools usable from the command

line, some environment variables must be set. ESP-IDF provides another script ’export.sh’ which does that. In the

terminal where you are going to use ESP-IDF, run:

. $HOME/esp/esp-idf/export.sh

Now everything is ready, you can build your first project on ESP8685-WROOM-05 module.

2.4 Create Your First Project

2.4.1 Start a Project

Now you are ready to prepare your application for ESP8685-WROOM-05 module. You can start with get-started/hello_world

project from examples directory in ESP-IDF.

Copy get-started/hello_world to ~/esp directory:

cd ~/esp

cp -r $IDF_PATH/examples/get-started/hello_world .

There is a range of example projects in the examples directory in ESP-IDF. You can copy any project in the same

way as presented above and run it. It is also possible to build examples in-place, without copying them first.

2.4.2 Connect Your Device

Now connect your ESP8685-WROOM-05 module to the computer and check under what serial port the module

is visible. Serial ports in Linux start with ‘/dev/tty’ in their names. Run the command below two times, first with

the board unplugged, then with plugged in. The port which appears the second time is the one you need:

ls /dev/tty*

Note:

Keep the port name handy as you will need it in the next steps.

2.4.3 Configure

Navigate to your ‘hello_world’ directory from Step 2.4.1. Start a Project, set ESP8685 as the target and run the

project configuration utility ‘menuconfig’.

cd ~/esp/hello_world

idf.py set-target esp32c3

idf.py menuconfig

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Setting the target with ‘idf.py set-target esp32c3’ should be done once, after opening a new project. If the project

contains some existing builds and configuration, they will be cleared and initialized. The target may be saved in

environment variable to skip this step at all. See Selecting the Target for additional information.

If the previous steps have been done correctly, the following menu appears:

Figure 3: Project Configuration  Home Window

The colors of the menu could be different in your terminal. You can change the appearance with the option ‘-�-style’�.

Please run ‘idf.py menuconfig -�-help’�for further information.

2.4.4 Build the Project

Build the project by running:

idf.py build

This command will compile the application and all ESP-IDF components, then it will generate the bootloader,

partition table, and application binaries.

$ idf.py build

Running cmake in directory /path/to/hello_world/build

Executing ”cmake -G Ninja --warn-uninitialized /path/to/hello_world”...

Warn about uninitialized values.

-- Found Git: /usr/bin/git (found version ”2.17.0”)

-- Building empty aws_iot component due to configuration

-- Component names: ...

-- Component paths: ...

... (more lines of build system output)

[527/527] Generating hello-world.bin

esptool.py v2.3.1

Project build complete. To flash, run this command:

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2 Get Started on ESP8685-WROOM-05

../../../components/esptool_py/esptool/esptool.py -p (PORT) -b 921600 write_flash --flash_mode dio

--flash_size detect --flash_freq 40m 0x10000 build/hello-world.bin build 0x1000

build/bootloader/bootloader.bin 0x8000 build/partition_table/partition-table.bin

or run ’idf.py -p PORT flash’

If there are no errors, the build will finish by generating the firmware binary .bin file.

2.4.5 Flash onto the Device

Flash the binaries that you just built onto your ESP8685-WROOM-05 module by running:

idf.py -p PORT [-b BAUD] flash

Replace PORT with your module‘s serial port name from Step: Connect Your Device.

You can also change the flasher baud rate by replacing BAUD with the baud rate you need. The default baud rate

is 460800.

For more information on idf.py arguments, see idf.py.

Note:

The option ‘flash‘ automatically builds and flashes the project, so running ‘idf.py build‘ is not necessary.

...

esptool.py --chip esp32c3 -p /dev/ttyUSB0 -b 460800 --before=default_reset --after=hard_reset write_flash --flash_mode dio --flash_freq 80m --flash_size 2MB 0x8000 partition_table/partition-table.bin 0x0 bootloader/bootloader.bin 0x10000 hello-world.bin

esptool.py v3.0

Serial port /dev/ttyUSB0

Connecting....

Chip is ESP8685

Features: Wi-Fi

Crystal is 40MHz

MAC: 7c:df:a1:40:02:a4

Uploading stub...

Running stub...

Stub running...

Changing baud rate to 460800

Changed.

Configuring flash size...

Compressed 3072 bytes to 103...

Writing at 0x00008000... (100 %)

Wrote 3072 bytes (103 compressed) at 0x00008000 in 0.0 seconds (effective 4238.1 kbit/s)...

Hash of data verified.

Compressed 18960 bytes to 11311...

Writing at 0x00000000... (100 %)

Wrote 18960 bytes (11311 compressed) at 0x00000000 in 0.3 seconds (effective 584.9 kbit/s)...

Hash of data verified.

Compressed 145520 bytes to 71984...

Writing at 0x00010000... (20 %)

Writing at 0x00014000... (40 %)

Writing at 0x00018000... (60 %)

Writing at 0x0001c000... (80 %)

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Writing at 0x00020000... (100 %)

Wrote 145520 bytes (71984 compressed) at 0x00010000 in 2.3 seconds (effective 504.4 kbit/s)...

Hash of data verified.

Leaving...

Hard resetting via RTS pin...

Done

If everything goes well, the “hello_world” application starts running after you remove the jumper on IO0 and GND,

and re-power up the testing board.

2.4.6 Monitor

To check if “hello_world” is indeed running, type ‘idf.py -p PORT monitor‘ (Do not forget to replace PORT with your

serial port name).

This command launches the IDF Monitor application:

$ idf.py -p /dev/ttyUSB0 monitor

Running idf_monitor in directory [...]/esp/hello_world/build

Executing ”python [...]/esp-idf/tools/idf_monitor.py -b 115200 [...]/esp/hello_world/build/hello-world.elf”...

--- idf_monitor on /dev/ttyUSB0 115200 ---

--- Quit: Ctrl+] | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H ---

ets Jun 8 2016 00:22:57

rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)

ets Jun 8 2016 00:22:57

...

After startup and diagnostic logs scroll up, you should see “Hello world!” printed out by the application.

...

Hello world!

Restarting in 10 seconds...

This is esp32c3 chip with 1 CPU core, WiFi/BLE

Restarting in 9 seconds...

Restarting in 8 seconds...

Restarting in 7 seconds...

To exit IDF monitor use the shortcut Ctrl+].

That’s all what you need to get started with ESP8685-WROOM-05 module! Now you are ready to try some other

examples in ESP-IDF, or go right to developing your own applications.

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3 U.S. FCC Statement

The device complies with KDB 996369 D03 OEM Manual v01. Below are integration instructions for host product

manufacturers according to the KDB 996369 D03 OEM Manual v01.

List of Applicable FCC Rules

FCC Part 15 Subpart C 15.247

Specific Operational Use Conditions

The module has WiFi and BLE functions.

• Operation Frequency:

–WiFi: 2412 ~2462 MHz

–Bluetooth: 2402 ~2480 MHz

• Number of Channel:

–WiFi: 11

–Bluetooth: 40

• Modulation:

–WiFi: DSSS; OFDM

–Bluetooth: GFSK

• Type: On-board PCB antenna

• Gain: 3.96 dBi Max

The module can be used for IoT applications with a maximum 3.96 dBi antenna. The host manufacturer installing

this module into their product must ensure that the final composite product complies with the FCC requirements by

a technical assessment or evaluation to the FCC rules, including the transmitter operation. The host manufacturer

has to be aware not to provide information to the end user regarding how to install or remove this RF module in

the user’s manual of the end product which integrates this module. The end user manual shall include all required

regulatory information/warning as show in this manual.

Limited Module Procedures

Not applicable. The module is a single module and complies with the requirement of FCC Part 15.212.

Trace Antenna Designs

Not applicable. The module has its own antenna, and does not need a host’s printed board microstrip trace

antenna, etc.

RF Exposure Considerations

The module must be installed in the host equipment such that at least 20cm is maintained between the antenna

and users’ body; and if RF exposure statement or module layout is changed, then the host product manufacturer

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3 U.S. FCC Statement

required to take responsibility of the module through a change in FCC ID or new application. The FCC ID of the

module cannot be used on the final product. In these circumstances, the host manufacturer will be responsible

for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization.

Antennas

Antenna specification are as follows:

• Type: On-board PCB antenna

• Gain: 3.96 dBi

This device is intended only for host manufacturers under the following conditions:

• The transmitter module may not be co-located with any other transmitter or antenna.

• The module shall be only used with the external antenna(s) that has been originally tested and certified with

this module.

• The antenna must be either permanently attached or employ a ‘unique’ antenna coupler.

As long as the conditions above are met, further transmitter test will not be required. However, the host manufac-

turer is still responsible for testing their end-product for any additional compliance requirements required with this

module installed (for example, digital device emissions, PC peripheral requirements, etc.).

Label and Compliance Information

Host product manufacturers need to provide a physical or e-label stating “Contains FCC ID: 2AC7Z-ESP868505”

with their finished product.

Information on test modes and additional testing requirements

• Operation Frequency:

–WiFi: 2412 ~2462 MHz

–Bluetooth: 2402 ~2480 MHz

• Number of Channel:

–WiFi: 11

–Bluetooth: 40

• Modulation:

–WiFi: DSSS; OFDM

–Bluetooth: GFSK

Host manufacturer must perform test of radiated and conducted emission and spurious emission, etc., according

to the actual test modes for a stand-alone modular transmitter in a host, as well as for multiple simultaneously

transmitting modules or other transmitters in a host product. Only when all the test results of test modes comply

with FCC requirements, then the end product can be sold legally.

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3 U.S. FCC Statement

Additional testing, Part 15 Subpart B compliant

The modular transmitter is only FCC authorized for FCC Part 15 Subpart C 15.247 and that the host product

manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular

transmitter grant of certification. If the grantee markets their product as being Part 15 Subpart B compliant (when

it also contains unintentional-radiator digital circuity), then the grantee shall provide a notice stating that the final

host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part15

of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a

residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed

and used in accordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this equipment does

cause harmful interference to radio or television reception, which can be determined by turning the equipment off

and on, the user is encouraged to try to correct the interference by one of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

• This device may not cause harmful interference.

• This device must accept any interference received, including interference that may cause undesired opera-

tion.

Caution:

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s

authority to operate the equipment.

This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This

device and its antenna must not be co-located or operating in conjunction with any other antenna or transmitter.

The antennas used for this transmitter must be installed to provide a separation distance of at least 20 cm from all

persons and must not be co-located or operating in conjunction with any other antenna or transmitter.

OEM Integration Instructions

This device is intended only for OEM integrators under the following conditions:

• The transmitter module may not be co-located with any other transmitter or antenna.

• The module shall be only used with the external antenna(s) that has been originally tested and certified with

this module.

As long as the conditions above are met, further transmitter test will not be required. However, the OEM integrator is

still responsible for testing their end-product for any additional compliance requirements required with this module

installed (for example, digital device emissions, PC peripheral requirements, etc.).

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3 U.S. FCC Statement

Validity of Using the Module Certification

In the event that these conditions cannot be met (for example certain laptop configurations or co-location with

another transmitter), then the FCC authorization for this module in combination with the host equipment is no

longer considered valid and the FCC ID of the module cannot be used on the final product. In these circumstances,

the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a

separate FCC authorization.

End Product Labeling

The final end product must be labeled in a visible area with the following: “Contains Transmitter Module FCC ID:

2AC7Z-ESP868505”.

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4 IC Statement

This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following two

conditions:

• This device may not cause interference; and

• This device must accept any interference, including interference that may cause undesired operation of the

device.

Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence.

L’exploitation est autorisée aux deux conditions suivantes:

• l’appareil ne doit pas produire de brouillage, et

• l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est suscep-

tible d’en compromettre le fonctionnement.

Radiation Exposure Statement

This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment

should be installed and operated with minimum distance 20 cm between the radiator and your body.

Déclaration d’exposition aux radiations:

Cet équipement est conforme aux limites d’exposition aux rayonnements ISED établies pour un environnement

non contrôlé. Cet équipement doit être installé et utilisé avec un minimum de 20 cm de distance entre la source

de rayonnement et votre corps.

RSS247 Section 6.4 (5)

The device could automatically discontinue transmission in case of absence of information to transmit, or opera-

tional failure. Note that this is not intended to prohibit transmission of control or signaling information or the use of

repetitive codes where required by the technology.

L’appareil peut interrompre automatiquement la transmission en cas d’absence d’informations à transmettre ou

de panne opérationnelle. Notez que ceci n’est pas destiné à interdire la transmission d’informations de contrôle

ou de signalisation ou l’utilisation de codes répétitifs lorsque cela est requis par la technologie.

This device is intended only for OEM integrators under the following conditions (For module device use):

• The antenna must be installed such that 20 cm is maintained between the antenna and users, and

• The transmitter module may not be co-located with any other transmitter or antenna.

As long as 2 conditions above are met, further transmitter test will not be required. However, the OEM integrator is

still responsible for testing their end-product for any additional compliance requirements required with this module

installed.

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4 IC Statement

Cet appareil est conçu uniquement pour les intégrateurs OEM dans les conditions suivantes (Pour utilisa

tion de dispositif module):

• L’antenne doit être installée de telle sorte qu’une distance de 20 cm est respectée entre l’antenne et les

utilisateurs, et

• Le module émetteur peut ne pas être coïmplanté avec un autre émetteur ou antenne.

Tant que les 2 conditions ci-dessus sont remplies, des essais supplémentaires sur l’émetteur ne seront pas néces-

saires. Toutefois, l’intégrateur OEM est toujours responsable des essais sur son produit final pour toutes exigences

de conformité supplémentaires requis pour ce module installé.

IMPORTANT NOTE:

In the event that these conditions can not be met (for example certain laptop configurations or colocation with

another transmitter), then the Canada authorization is no longer considered valid and the IC ID can not be used on

the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product

(including the transmitter) and obtaining a separate Canada authorization.

NOTE IMPORTANTE:

Dans le cas où ces conditions ne peuvent être satisfaites (par exemple pour certaines configurations d’ordinateur

portable ou de certaines co-localisation avec un autre émetteur), l’autorisation du Canada n’est plus consid-

éré comme valide et l’ID IC ne peut pas être utilisé sur le produit final. Dans ces circonstances, l’intégrateur

OEM sera chargé de réévaluer le produit final (y compris l’émetteur) et l’obtention d’une autorisation distincte au

Canada.

End Product Labeling

This transmitter module is authorized only for use in device where the antenna may be installed such that 20 cm

may be maintained between the antenna and users. The final end product must be labeled in a visible area with

the following: “Contains IC: 21098-ESP868505”.

Plaque signalétique du produit final

Ce module émetteur est autorisé uniquement pour une utilisation dans un dispositif où l’antenne peut être installée

de telle sorte qu’une distance de 20cm peut être maintenue entre l’antenne et les utilisateurs. Le produit final doit

être étiqueté dans un endroit visible avec l’inscription suivante: ”Contient des IC: 21098-ESP868505”.

Manual Information to the End User

The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove

this RF module in the user’s manual of the end product which integrates this module. The end user manual shall

include all required regulatory information/warning as show in this manual.

Manuel d’information à l’utilisateur final

L’intégrateur OEM doit être conscient de ne pas fournir des informations à l’utilisateur final quant à la façon d’installer

ou de supprimer ce module RF dans le manuel de l’utilisateur du produit final qui intègre ce module. Le manuel

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4 IC Statement

de l’utilisateur final doit inclure toutes les informations réglementaires requises et avertissements comme indiqué

dans ce manuel.

Espressif Systems 19 ESP8685-WROOM-05 User Manual v0.1

5 Learning Resources

5.1 MustRead Documents

Please familiarize yourself with the following documents:

•ESP-IDF Programming Guide

Extensive documentation for the ESP-IDF development framework, ranging from hardware guides to API

reference.

•Espressif Products Ordering Information

5.2 Important Resources

Here are the important ESP8685-related resources.

•ESP32 BBS

Engineer-to-Engineer (E2E) Community for Espressif products where you can post questions, share knowl-

edge, explore ideas, and help solve problems with fellow engineers.

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La page est en cours de chargement...

Espressif ESP8685-WROOM-05 WiFi and Bluetooth LE Module Manuel utilisateur

Marque: Espressif

Modèle: ESP8685-WROOM-05 WiFi and Bluetooth LE Module

Catégorie: Antennes réseau

Taper: Manuel utilisateur

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English: Espressif ESP8685-WROOM-05 WiFi and Bluetooth LE Module User manual

Espressif ESP8685-WROOM-05 WiFi and Bluetooth LE Module Manuel utilisateur

Espressif ESP8685-WROOM-05 WiFi and Bluetooth LE Module Manuel utilisateur

dans d''autres langues

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Espressif ESP8685­-WROOM-­05 WiFi and Bluetooth LE Module Manuel utilisateur

Espressif ESP8685­-WROOM-­05 WiFi and Bluetooth LE Module Manuel utilisateur

dans d''autres langues

Documents connexes

Autres documents

Espressif ESP8685-WROOM-05 WiFi and Bluetooth LE Module Manuel utilisateur

Espressif ESP8685-WROOM-05 WiFi and Bluetooth LE Module Manuel utilisateur