ESP32-S3-Tiny Tutorial

ESP32-S3-Tiny is a small microcontroller development board equipped with a variety of digital interfaces. The product adopts a split design, which can separate the USB and button circuits, reduce the overall thickness and volume of the PCB board, and introduce 34 GPIOs in a very small form factor, making it easier for users to integrate into projects. Split design, compact size and very thin thickness, making this board ideal for projects requiring small size

In terms of hardware, the ESP32-S3 chip is used, which integrates a high-performance Xtensa® 32-bit LX7 dual-core processor, ultra-low-power co-processor, Wi-Fi baseband, Bluetooth baseband, RF module and peripherals. It can be compatible and expanded with a variety of peripheral devices, making it more convenient to use.

In terms of software, you can choose the ESP-IDF development environment or develop on the Arduino IDE, so you can get started easily and quickly and apply it to products.

】Product Features

[] Using ESP32-S3 chip, the chip integrates a high-performance Xtensa® 32-bit LX7 dual-core processor with a main frequency of up to 240 MHz

[] Integrated 512 KB SRAM, 384 KB ROM, 16 KB RTC SRAM, 2MB PSRAM and 4MB Flash memory

[] Integrated Bluetooth LE wireless communication and 2.4 GHz Wi-Fi, with superior radio frequency performance

[] Using USB Type-C interface, no need to worry about plugging forward and reverse

[] Introduce rich peripheral interfaces, which can realize various functions more flexibly

[] Supports multiple low-power working states, can adjust the balance between communication rate and power consumption, and meet the power consumption requirements of various application scenarios.

】Resource interface

】Pin distribution

】Product Size

】Cable installation

Please read this chapter and precautions completely before installing the cable, otherwise the device may be damaged or short-circuited!

[] Open the cable connector flip cover

When installing the cable, be sure to install it in the middle

Close the flip cover. Normally the flip cover can be fully closed.

If the cable is not installed in place and the flip cover cannot be closed properly, please adjust the position of the cable and try to close the flip.

Precautions

Do not unplug or plug in the cable while the power is on, otherwise it may cause a short circuit

When installing the cable, you need to pay attention. The cable should be installed in the middle and inserted into the bottom. If not installed correctly, it may lead to abnormal connection or even short circuit.

】Used under ESP-IDF

The following development systems default to Windows. It is recommended to use the VSCode plug-in for development.

】Developed using VSCode plug-in

Install VSCode

Open the download page of the VSCode official website , select the corresponding system and system digits to download.

After running the installation package, the rest can be installed by default. However, for the sake of subsequent experience, it is recommended to check items 1, 2, and 3 in the box here.

After the first and second items are turned on, VSCode can be opened directly by right-clicking the file or directory, which can improve the subsequent use experience.

After the third item is turned on, when selecting the opening method, you can directly select VSCode

Install Espressif IDF plugin

Note: The latest version of the current plug-in is V1.6.4. For consistent experience, users can choose the same version as us.

Open VSCode, use the shortcut key Shift+Ctrl+X to enter the plug-in manager

In the search bar, enter Espressif IDF, select the corresponding plug-in and click install.

Use the shortcut key F1 and enter

esp-idf: configure esp-idf extension

Select express (this tutorial is for first-time installation users, so it only describes the first general installation tutorial)

Select the download server. We recommend that domestic users use Espressif as your download server.

Select the current ESP-IDF version you want, we choose the latest V5.1.1

The following two are respectively the ESP-IDF container installation address and the tool installation address required for ESP-IDF.

Note: If ESP-IDF has been installed before or failed, please be sure to completely delete the file or create a new non-Chinese path.

After the configuration is complete, click install to download

Enter the download page, which will automatically install the corresponding tools and environment, just wait a moment.

After the installation is completed, you will enter the following interface, indicating that the installation is complete.

Official routine usage tutorial

Create a routine

Use the shortcut key F1 and enter

esp-idf:show examples projects

Select your current IDF version

Take the Hello world routine as an example

①Select the corresponding routine

②The readme will explain what chip the routine is suitable for (how to use the routine and the file structure are introduced below, which is omitted here)

③Click to create a routine

Select the path to place the routine. It is required that there is no folder with the same name as the routine.

Modify COM port

The corresponding COM port is displayed here. Click to modify the corresponding COM port.

Please select according to the COM port corresponding to the device (can be viewed through the device manager)

If the download fails, please click the reset button for more than 1 second or enter the download mode and wait for the PC to re-recognize the device before downloading again.

Select the project or routine to use

Then our COM port will be modified.

Modify driver object

Shown here is the driver object used. Click to modify the corresponding driver object.

Select the project or routine to use

Please wait for a while after clicking

Select the object we need to drive, that is, our main chip is ESP32S3

Select the path of openocd. It has no effect on us here, so we can choose any one.

Introduction to other status bars

①SDK configuration editor, many functions and configurations of ESP-IDF can be modified in it

② Clean all, clear all compiled files,

③Compile

④Current download method, default is UART

⑤ Burn the current firmware, please do it after compilation

⑥Open the serial port monitor to view serial port information

⑦ Compile, burn, and open the serial monitor integrated button (most commonly used during debugging)

Compilation, burning, serial port monitoring

Click the compile, burn, and open serial monitor buttons we introduced earlier

Compilation may take a long time to complete, especially the first time.

During this process, ESP-IDF may occupy a large amount of CPU resources and therefore may cause system lags.

If it is the first time to burn a program for a new project, you will need to choose the download method and select UART.

You can also modify the download method later (click to pop up options)

Because of the onboard automatic download circuit, automatic downloading is possible without manual operation.

After the download is successful, it automatically enters the serial port monitor. You can see the corresponding information output by the chip and prompts to restart after 10 seconds.

Wipe device Flash

Unzip the software resource package ( Flash debugging software )

Open the flash_download_tool_3.9.5.exe software and select ESP32-S3 and USB

Select the UART port number and click START (do not select any bin file)

Wait for burning to complete, click Erase

Wait for erasure to complete

】Use under Arduino

】Build environment

Install Arduino IDE

After the installation is complete, open the Arduino IDE

Enter the development board manager, search for esp32, select the latest version in esp32 by Espressif Systems below and click to install (if it cannot be installed normally, you can try using a mobile phone hotspot)

After the installation is complete, restart the Arduino IDE and it will be ready to use.

If the installation fails then

Installation of version 2.0.11 failed

Download resource file

Link: https://pan.baidu.com/s/1lGddfYYJUPlqc2Kgznmytw

Extraction code: 0755

From the resource manager, press the path "c:\Users\Waveshare\AppData\Local\Arduino15\packages" to enter (where Waveshare is the computer username, you need to turn on the display of hidden files)

Unzip the file downloaded above into the packages folder

Re-execute the installation operation

After the installation is complete, restart the Arduino IDE and it will be ready to use.

】Run the example

Create an example

Change the project folder above to c:\Users\Waveshare\AppData\Local\Arduino15\packages (where Waveshare is the computer user name)

Restart Arduino IDE

Routine creation is available from the examples in the project folder under Files

The following demo creates an example of RGB blinking (BlinkRGB under File -> Sketchbook -> esp32 -> hardware -> esp32 -> 2.0.11 -> libraries -> ESP32 -> examples -> GPIO )

Program burning

Select development board and port

Search esp32c6, select ESP32C6 Dev Module and download port

Select Finish, click Upload, Arduino IDE will compile and burn the program

After the upload is completed, you can see the phenomenon on the development board

】material

】software

Programming software

VScode

Arduino IDE

serial port

Serial and network debugging assistant

Flash burning

Flash debugging software

Bluetooth debugging

Bluetooth debugging assistant

】Schematic diagram

ESP32-S3-Tiny schematic

】Data sheet

ESP32-S3

ESP32-S3 Technical Reference Manual (Chinese)

ESP32-S3 series chip technical specifications (Chinese)

ESP32-S3 Series Datasheet (English)

ESP32-S3 Technical Reference Manua (English)

】Official document

ESP32 official documentation

ESP-IDF official documentation (Chinese)

ESP-IDF official documentation (English)

Question: When compiling, it prompts that the compilation failed and the specified file cannot be found?

Please reselect the driver object and compile again.

Question: After downloading the program and re-downloading the module, sometimes the serial port cannot be connected or the programming fails?

Method 1: Click the reset button for more than 1 second, wait for the PC to re-recognize the device and download again.
Method 2: Long press the BOOT button, press RESET at the same time, then release RESET, and then release the BOOT button. At this time, the module can enter Download mode can solve most problems of being unable to download.

Question: When setting up the environment or building the project, there is no ESP option at the bottom?

Click the shortcut key F1 in VSCode and search for Espressif IDF . You will find the extension that is rated as untrusted. Just set it to trusted.

Question: When switching the same model of ESP, the burning program appears and the program fails?

Please reselect the COM port and driver object after switching ESP and then compile and burn.

Question: After the module is powered on, the identified USB port is constantly reset and restarted?

Check whether the power supply voltage of the USB port is less than 5V. Generally, the power supply voltage of the USB port is above 4.9V. Both USB ports of the module can be used normally. If it is lower than 4.9V, there may be insufficient power supply and the USB port will be disconnected. In this case, a USB port with sufficient voltage must be replaced.

Question: When performing JTAG debugging, I cannot enter the debugging page?

Close OpenOCD below and reopen OpenOCD.

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