Table of Contents
Advertisement
Quick Links
ESP32-S2-MINI-2U
User Manual
2.4 GHz Wi-Fi (802.11 b/g/n) module
Built around ESP32-S2 series of SoC (chip revision v1.0), Xtensa
croprocessor
4 MB flash and optional 2 MB PSRAM in chip package
37 GPIOs, rich set of peripherals
External antenna connector
ESP32-S2-MINI-2U
www.espressif.com
®
single-core 32-bit LX7 mi-
Pre-release v0.5
Espressif Systems
Copyright © 2022
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Espressif Systems ESP32-S2-MINI-2U
Summary of Contents for Espressif Systems ESP32-S2-MINI-2U
- Page 1 ESP32-S2-MINI-2U User Manual 2.4 GHz Wi-Fi (802.11 b/g/n) module ® Built around ESP32-S2 series of SoC (chip revision v1.0), Xtensa single-core 32-bit LX7 mi- croprocessor 4 MB flash and optional 2 MB PSRAM in chip package 37 GPIOs, rich set of peripherals...
- Page 2 1 Module Overview 1 Module Overview ESP32-S2-MINI-2U is a general-purpose Wi-Fi 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: ESP32-S2-MINI-2U Specifications...
-
Page 3: Table Of Contents
Create Your First Project 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 ESP32-S2-MINI-2U User Manual v0.5... -
Page 4: Pin Definitions
The module has 65 pins. See pin definitions in Table 2. For peripheral pin configurations, please refer to ESP32-S2 Series Datasheet. Table 2: Pin Definitions Name Type Function 1, 2, 30, 42, 43, Ground 46-65 Power supply Cont’d on next page Espressif Systems ESP32-S2-MINI-2U User Manual v0.5... - Page 5 TXD0 I/O/T U0TXD, GPIO43, CLK_OUT1 RXD0 I/O/T U0RXD, GPIO44, CLK_OUT2 IO45 I/O/T GPIO45 IO46 GPIO46 High: on, enables the chip. Low: off, the chip powers off. Note: Do not leave the EN pin floating. Espressif Systems ESP32-S2-MINI-2U User Manual v0.5...
- Page 6 2 Pin Definitions P: power supply; I: input; O: output; T: high impedance. IO26 is used by the embedded PSRAM on the ESP32-S2-MINI-2U-N4R2 module, and cannot be used for other purposes. Espressif Systems ESP32-S2-MINI-2U User Manual v0.5...
-
Page 7: Get Started
ESP-IDF Programming Guide. 3.2 Hardware Connection 1. Solder the ESP32-S2-MINI-2U 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
/esp on Linux as an installation folder for ESP-IDF. • Keep in mind that ESP-IDF does not support spaces in paths. 3.3.2 Get ESP-IDF To build applications for ESP32-S2-MINI-2U module, you need the software libraries provided by Espressif in ESP-IDF repository. -
Page 9: Set Up Tools
Now everything is ready, you can build your first project on ESP32-S2-MINI-2U module. 3.4 Create Your First Project 3.4.1 Start a Project Now you are ready to prepare your application for ESP32-S2-MINI-2U module. You can start with get-started/hello_world project from examples directory in ESP-IDF. -
Page 10: Configure
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”... Espressif Systems ESP32-S2-MINI-2U User Manual v0.5... -
Page 11: Flash Onto The Device
--flash_mode dio --flash_freq 80m --flash_size 4 MB 0x0 bootloader/bootloader. 0x10000 hello_world.bin 0x8000 partition_table/partition-table.bin esptool.py v3.2-dev Serial port /dev/ttyUSB0 Connecting..Chip is ESP32-S2 Features: WiFi Crystal is 40MHz MAC: 7c:df:a1:e0:00:64 Uploading stub... Running stub... Espressif Systems ESP32-S2-MINI-2U User Manual v0.5... -
Page 12: Monitor
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 Espressif Systems ESP32-S2-MINI-2U User Manual v0.5... - Page 13 Restarting in 7 seconds... To exit IDF monitor use the shortcut Ctrl+]. That’s all what you need to get started with ESP32-S2-MINI-2U module! Now you are ready to try some other examples in ESP-IDF, or go right to developing your own applications.
-
Page 14: S. Fcc Statement
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. Espressif Systems ESP32-S2-MINI-2U User Manual v0.5... - Page 15 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 Espressif Systems ESP32-S2-MINI-2U User Manual v0.5...
- Page 16 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. Espressif Systems ESP32-S2-MINI-2U User Manual v0.5...
- Page 17 4 U.S. FCC Statement End Product Labeling The final end product must be labeled in a visible area with the following: “Contains Transmitter Module FCC ID: 2AC7Z-ESPS2MINI2U”. Espressif Systems ESP32-S2-MINI-2U User Manual v0.5...
-
Page 18: Related Documentation And Resources
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 & Suggestions. https://espressif.com/en/contact-us/sales-questions Espressif Systems ESP32-S2-MINI-2U User Manual v0.5... -
Page 19: Revision History
Revision History Revision History Date Version Release notes 2022-09-22 v0.5 Preliminary release Espressif Systems ESP32-S2-MINI-2U User Manual v0.5... - Page 20 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 © 2022 Espressif Systems (Shanghai) Co., Ltd. All rights reserved.
Need help?
Do you have a question about the ESP32-S2-MINI-2U and is the answer not in the manual?
Questions and answers