This is a WiFi development board with compact size, plenty peripheral interfaces, integrated low-power Wi-Fi System-on-Chip (SoC) and mass memory, supporting Raspberry Pi Pico expansion board ecosystem. Equipped with hardware crypto accelerator, RNG, HMAC and Digital Signature module, it can meet the security requirements of the Internet of Things.
- Adopts ESP32-S3R2 as the main chip.
- Comes with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz.
- An MCU chip with integrated 2.4 GHz Wi-Fi and Bluetooth 5 (LE).
- Integrated 512KB SRAM, 384KB ROM, 2MB PSRAM, 16MB Extarnal Flash memory.
- Type-C connector, easier to use.
- Onboard CH343 and CH334 chips can meet the needs of USB and UART development via a Type-C interface.
- Onboard DC-DC chip MP28164, high-efficiency DC-DC buck-boost chip with load current up to 2A.
- 27 × multi-function GPIO headers.
- Rich peripheral interfaces, including full-speed USB OTG, SPI, I2C, UART, ADC, PWM, and DVP (8-bit ~ 16-bit camera interface), LCD interfaces (8-bit ~ 16-bit parallel RGB, I8080, MOTO6800), etc. to achieve various functions flexibly.
- Supports Raspberry Pi Pico expansion board ecology, suitable for artificial intelligence IoT application development
Waveshare wiki link.
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This is the latest stable release of CircuitPython that will work with the ESP32-S3-Pico.
Use this release if you are new to CircuitPython.
Built-in modules available: _asyncio, _bleio, _pixelmap, adafruit_bus_device, adafruit_pixelbuf, aesio, alarm, analogbufio, analogio, array, atexit, audiobusio, audiocore, audiomixer, binascii, bitbangio, bitmaptools, board, builtins, builtins.pow3, busio, busio.SPI, busio.UART, canio, collections, countio, digitalio, displayio, dualbank, errno, espcamera, espidf, espnow, espulp, fontio, framebufferio, frequencyio, getpass, gifio, hashlib, i2ctarget, io, ipaddress, json, keypad, keypad.KeyMatrix, keypad.Keys, keypad.ShiftRegisterKeys, math, mdns, memorymap, microcontroller, msgpack, neopixel_write, nvm, onewireio, os, os.getenv, ps2io, pulseio, pwmio, qrio, rainbowio, random, re, rgbmatrix, rotaryio, rtc, sdcardio, select, sharpdisplay, socketpool, ssl, storage, struct, supervisor, synthio, sys, terminalio, time, touchio, traceback, ulab, usb_cdc, usb_hid, usb_midi, vectorio, watchdog, wifi, zlib
Every time we commit new code to CircuitPython we automatically build binaries for each board and language. The binaries are stored on Amazon S3, organized by board, and then by language. These releases are even newer than the development release listed above. Try them if you want the absolute latest and are feeling daring or want to see if a problem has been fixed.
Previous Versions of CircuitPython
All previous releases of CircuitPython are available for download from Amazon S3 through the button below. For very old releases, look in the OLD/ folder for each board. Release notes for each release are available at GitHub button below.
Older releases are useful for testing if you something appears to be broken in a newer release but used to work, or if you have older code that depends on features only available in an older release. Otherwise we recommend using the latest stable release.
Install, Repair, or Update UF2 Bootloader
Latest version: 0.16.0
The UF2 bootloader allows you to load CircuitPython, MakeCode, and Arduino programs. The bootloader is not CircuitPython. If a UF2 bootloader is installed, you can check its version by looking in the INFO_UF2.TXT file when the BOOT drive is visible (FTHRS2BOOT, MAGTAGBOOT, HOUSEBOOT, etc.)
It is not necessary to reinstall a UF2 bootloader you unless a BOOT drive is not visible when in UF2 bootloader mode, or you know of a problem with your current UF2 bootloader.
If a UF2 bootloader has never been installed on the board, or the UF2 bootloader was removed by erasing or overwriting the flash, the UF2 bootloader must be installed in order to flash .uf2 files onto the board. .bin files can be uploaded without a UF2 bootloader, using the ESP Web Flasher or esptool.py.
Note: update.uf2 files are not currently working on ESP32-S2 or ESP32-S3 boards.
Important: this will erase previously flashed firmware and sketches from the board, but needs to be perfomed only once.
The instructions here are general. We recommend you consult the manufacturer's board documentation for detailed instructions, which may be different.
- Unzip to find the file combined.bin.
- Place board in bootloader mode:
- Plug board into a USB port on your computer using a data/sync cable. Make sure it is the only board plugged in, and that a charge-only cable is not being used.
- Press and hold down the BOOT or 0 button.
- Press and release the RESET or RST button.
- Release the BOOT button.
- Upload combined.bin (Google Chrome 89 or newer):
- Open ESP Web Flasher in a new window/tab.
- Select 460800 Baud from the pull-down menu (top-right).
- Click Connect (top-right).
- Select the COM or Serial port from the pop-up window.
- After successful connection, click Erase.
- After successful erase, click any Choose a file..., then locate and select the combined.bin file unzipped earlier.
- After successfully choosing combined.bin, click Program.
- After the TinyUF2 firmware update is complete, press the RESET button on the board. A new drive BOOT should be visible in your file browser.
After installing the UF2 bootloader, enter the bootloader by double-clicking the reset button. On boards with an RGB status LED, tap reset once, wait for the LED to turn purple, and tap again before the purple goes away. On other boards, consult the board documentation.
After you update, check INFO_UF2.TXT to verify that the bootloader version has been updated. Then you will need to load or reload CircuitPython using the .uf2 file.