Adafruit Metro ESP32-S3 has all the features for your next IoT project. It includes an ESP32-S3 WiFi module, a STEMMA QT connector for I2C devices, a Lipoly charger circuit, and 16 MB Flash 8 MB PSRAM memory. USB and shield compatibility provide added convenience. The board is perfect for use with CircuitPython or Arduino to enable low-cost WiFi.
The ESP32-S3 is a low-power, 2.4 GHz Wi-Fi/BLE SoC solution with native USB. Featuring cutting-edge power and RF performance, this SoC is suitable for a vast range of IoT, wearable, and smart home application scenarios, such as Time of Flight distance measurements and AI acceleration.
The Metro ESP32-S3 has a dual-core 240 MHz chip, so it is comparable to ESP32's dual-core. However, there is no Bluetooth Classic support, only Bluetooth LE. This chip is a great step up from the earlier ESP32-S2! This ESP32-S3 WROOM module we are using on the Metro comes with massive 16 MB flash and 8 MB PSRAM, as well as lots of 512KB of SRAM so it's perfect for use with CircuitPython support or any time massive buffers are needed: for fast memory access use SRAM, for slower-but-roomier access use PSRAM. It's also great for use in ESP-IDF or with Arduino support.
Features:
- ESP32-S3 Dual Core 240MHz Tensilica processor - the next generation of ESP32-Sx, with native USB so it can act like a keyboard/mouse, MIDI device, disk drive, etc!
- WROOM module has FCC/CE certification and comes with 16 MByte of Flash, 8 MByte Octal PSRAM
- Power options - USB type C or Lipoly battery
- Built-in battery charging when powered over USB-C
- LiPoly battery monitor - MAX17048 chip actively monitors your battery for voltage and state of charge / percentage reporting over I2C
- Reset and DFU (BOOT0) buttons to get into the ROM bootloader (which is a USB serial port so you don't need a separate cable!)
- JTAG 2x5 Header for more intense debugging
- Serial debug output pins (optional, for checking the hardware serial debug console)
- STEMMA QT connector for I2C devices, with switchable power, so you can go into low power mode.
- On/Charge/User LEDs + status NeoPixel with pin-controlled power for low power usage
- Low Power friendly! In deep sleep mode we can get down to ~100uA of current draw from the Lipoly connection. Quiescent current is from the power regulator, ESP32-S3 chip, and Lipoly monitor. Turn off the NeoPixel and external I2C power for the lowest quiescent current draw.
- Works with ESP-IDF, Arduino or CircuitPython
Technical Details
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