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ESP8684-WROOM-07
User Manual
Small-sized 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth
Built around ESP8684 series of SoCs, RISC-V single-core microprocessor
2 MB/4 MB flash in chip package
3 GPIOs
Monopole antenna
ESP8684-WROOM-07
www.espressif.com
®
5 module
Version 0.5
Espressif Systems
Copyright © 2024
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Summary of Contents for Espressif ESP8684-WROOM-07
- Page 1 ESP8684-WROOM-07 User Manual ® Small-sized 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 module Built around ESP8684 series of SoCs, RISC-V single-core microprocessor 2 MB/4 MB flash in chip package 3 GPIOs Monopole antenna ESP8684-WROOM-07 Version 0.5 Espressif Systems Copyright © 2024...
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Page 2: Module Overview
• Operating ambient temperature: –40 105 °C 1.2 Description ESP8684-WROOM-07 is a general-purpose Wi-Fi and Bluetooth LE module. The rich set of peripherals and high performance make this module an ideal choice for smart homes, industrial automation, health care, consumer Espressif Systems ESP8684-WROOM-07 User Manual v 0.5... - Page 3 1 Module Overview electronics, etc. ESP8684-WROOM-07 can be vertically soldered to a PCB board via wave soldering and the module has 3 available GPIOs. ESP8684-WROOM-07 can be connected to an external monopole antenna. The series comparison for ESP8684-WROOM-07 is as follows: Table 1: ESP8684-WROOM-07 Series Comparison Ambient Temp.
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Page 4: Table Of Contents
3.4.1 Start a Project 3.4.2 Connect Your Device 3.4.3 Configure 3.4.4 Build the Project 3.4.5 Flash onto the Device 3.4.6 Monitor U.S. FCC Statement Related Documentation and Resources Revision History Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback... -
Page 5: Pin Definitions
Table 3: Test Point Definitions Name Type Function I/O/T GPIO9 High: on, enables the chip. Low: off, the chip powers off. Default: internally pulled-up. I/O/T U0RXD, GPIO19 Cont’d on next page Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback... - Page 6 P: power supply; I: input; O: output; T: high impedance. Note: IO0, IO1, IO3, IO5/MTDI pins have low-level glitches during chip power up. See details in section General Purpose Input / Output Interface (GPIO) of ESP8684 Series Datasheet. Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback...
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Page 7: Get Started
ESP-IDF Programming Guide for ESP8684. 3.2 Hardware Connection 1. Solder the ESP8684-WROOM-07 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. -
Page 8: Set Up Development Environment
Datasheet. 3.3 Set up Development Environment The Espressif IoT Development Framework (ESP-IDF for short) is a framework for developing applications based on the Espressif ESP32. Users can develop applications with ESP8684 in Windows/Linux/macOS based on ESP-IDF. Here we take Linux operating system as an example. -
Page 9: Get Esp-Idf
3 Get Started 3.3.2 Get ESP-IDF To build applications for ESP8684-WROOM-07 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’:... -
Page 10: Configure
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. 3.4.4 Build the Project Build the project by running: idf.py build Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback... -
Page 11: Flash Onto The Device
When flashing, you will see the output log similar to the following: esptool.py esp32c2 -p /dev/ttyUSB0 -b 460800 --before=default_reset --after=hard_reset write_flash --flash_mode dio --flash_freq 80m --flash_size 2MB 0x0 bootloader/bootloader. 0x10000 hello_world.bin 0x8000 partition_table/partition-table.bin esptool.py v3.2-dev Serial port /dev/ttyUSB0 Connecting..Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback... -
Page 12: 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”... Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback... - Page 13 Restarting in 7 seconds... To exit IDF monitor use the shortcut Ctrl+]. That’s all what you need to get started with ESP8684-WROOM-07 module! Now you are ready to try some other examples in ESP-IDF, or go right to developing your own applications.
- Page 14 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 Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback...
- Page 15 Only when all the test results of test modes comply with FCC requirements, then the end product can be sold legally. Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback...
- Page 16 • 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. Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback...
- Page 17 C2PC is required for new host application. Only Grantees are permitted to make permissive changes. Please contact us for further process with ESPRESSIF, Mia Zhou, certificaiton@espressif.com The OEM integrators should follow the following C2PC test plan, Base on Module RF report “FR310907A, FR310907B”...
- Page 18 For the host product is not installed according to this guide, the module certification will be invalid and a new grant certification will be required for the host product. Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback...
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Page 19: Related Documentation
Browse through all ESP8684-based devkits. https://espressif.com/en/products/devkits?id=ESP8684 • ESP Product Selector – Find an Espressif hardware product suitable for your needs by comparing or applying filters. https://products.espressif.com/#/product-selector?language=en Contact Us • See the tabs Sales Questions, Technical Enquiries, Circuit Schematic & PCB Design Review, Get Samples (Online stores), Become Our Supplier, Comments &... -
Page 20: Revision History
Revision History Revision History Date Version Release notes 2023-07-19 v0.5 Preliminary release Espressif Systems ESP8684-WROOM-07 User Manual v 0.5 Submit Documentation Feedback... - Page 21 The Wi-Fi Alliance Member logo is a trademark of the Wi-Fi Alliance. The Bluetooth logo is a registered trademark of Bluetooth SIG. All trade names, trademarks and registered trademarks mentioned in this document are property www.espressif.com of their respective owners, and are hereby acknowledged. Copyright © 2024 Espressif Systems (Shanghai) Co., Ltd. All rights reserved.
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