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3

U.S. FCC Statement

3 U.S. FCC Statement

FCC ID: 2AC7Z­ESPWROOMDA

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.

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.

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.

For European markets the relevant directives are mentioned below:

It is the responsibility of the manufacturer of the final product to verify whether or not further standards, recom-

mendations or directives are in force outside these areas. Please note that SAR requirements are specific only for

portable devices and not for mobile devices as defined below:

• Portable device: A portable device is defined as a transmitting device designed to be used so that the

radiating structure(s) of the device is/are within 20 centimeters of the body of the user.

• Mobile device: A mobile device is defined as a transmitting device designed to be used in other than fixed

locations and to generally be used in such a way that a separation distance of at least 20 centimeters

is normally maintained between the transmitter’s radiating structure(s) and the body of the user or nearby

Espressif Systems

14

ESP32-WROOM-DA User Manual v0.5

Summary of Contents for ESP32-WROOM-DA

Page 1: ...al Stand Alone Module with Dual Antennas Containing Ultra Low Power SoC with DualCore CPU Supporting 2 4 GHz Wi Fi Bluetooth and Bluetooth LE ESP32 WROOM DA Pre release v0 5 Espressif Systems Copyrigh...

Page 2: ...rt 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...

Page 3: ...requisites 9 2 3 2 Get ESP IDF 9 2 3 3 Set up Tools 10 2 3 4 Set up Environment Variables 10 2 4 Create Your First Project 10 2 4 1 Start a Project 10 2 4 2 Connect Your Device 10 2 4 3 Configure 10 2...

Page 4: ...electronics etc Table 1 ESP32 WROOM DA Specifications Categories Items Specifications Wi Fi Protocols 802 11 b g n 802 11n up to 150 Mbps A MPDU and A MSDU aggregation and 0 4 s guard interval suppor...

Page 5: ...16 IO4 IO0 GND GND GND GND 43 GND GND GND GND GND 42 41 IO2 IO25 Top View A n t e n n a 1 A n t e n n a 2 Figure 1 Pin Layout Top View The module has 41 pins and two test points See pin definitions in...

Page 6: ...ATA3 SD_DATA3 EMAC_RX_ER NC 18 NC 19 NC 20 NC 21 NC 22 NC 23 IO15 24 I O GPIO15 ADC2_CH3 TOUCH3 MTDO HSPICS0 RTC_GPIO13 HS2_CMD SD_CMD EMAC_RXD3 NC 25 NC 26 IO0 27 I O GPIO0 ADC2_CH1 TOUCH1 RTC_GPIO11...

Page 7: ...GPIO25 on the ESP32 D0WD V3 chip are designed as test points to control RF Switch The two pins are not led out to the module To select the working antenna Antenna 1 or Antenna 2 configure GPIO2 and G...

Page 8: ...o ESP IDF Programming Guide 2 2 Hardware Connection 1 Solder the ESP32 WROOM DA module to the RF testing board as shown in Figure 2 Figure 2 Hardware Connection 2 Connect the RF testing board to the U...

Page 9: ...ntOS 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 pyt...

Page 10: ...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 dir...

Page 11: ...he 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 co...

Page 12: ...utomatically builds and flashes the project so running idf py build is not necessary Running esptool py in directory esp hello_world Executing python esp idf components esptool_py esptool esptool py b...

Page 13: ...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 w...

Page 14: ...dio TV technician for help 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 c...

Page 15: ...quired However the OEM integrator is still responsible for testing their end product for any additional compliance requirement with this module installed for example digital device emission PC periphe...

Page 16: ...GitHub http github com espressif ESP32 BBS Forum Engineer to Engineer E2E Community for Espressif products where you can post questions share knowledge explore ideas and help solve problems with fell...

Page 17: ...Revision History Revision History Date Version Release notes 2021 12 10 v0 5 For certification only Espressif Systems 17 ESP32 WROOM DA User Manual v0 5...

Page 18: ...OPOSAL SPECIFICATION OR SAMPLE All liability including liability for infringement of any proprietary rights relating to use of information in this document is disclaimed No licenses express or implied...

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