Product description: Metro ESP32-S2 - WiFi module with ESP32-S2 chip - Adafruit 4775
Adafruit Metro ESP32-S2 is a development board equipped with the ESP32-S2 chip with WiFi wireless communication. It supports the 2.4 GHz 802.11b/g/n WiFi standard, has 4 MB Flash memory, 2 MB external PSRAM memory. The user has three options for powering the module - via the USB C connector, DC socket and battery via the JST 2-PH connector. The board is equipped with a MAX17048 battery charge monitoring system, a RESET and BOOT0 button.
The manufacturer has prepared a detailed user guide - check it out!
Metro ESP32-S2 - WiFi module with ESP32-S2 chip - Adafruit 4775.
The board is equipped with a single-core ESP32-S2 processor.
Special features of the module
- Tensilica 240 MHz ESP32-S2 chip with native USB, 4 MB Flash and 2 MB PSRAM
- Wireless communication WiFi 2.4 GHz 802.11b/g/n
- Three power option - USB C, DC 5.5/2.1 mm and JST 2-PH connector
- Battery charging system when powered by direct current or via USB
- Precise monitoring of the battery charge status via the MAX17048 system
- RESET and DFU buttons (BOOT0)
- JTAG pads for advanced debugging access
- Manual on/off switch
- STEMMA QT/Qwiic connectors
- LEDs and NeoPixel
- Programming using Arduino or CircuitPython
Board power supply
The module can be powered in 3 ways:
- USB Type C - used for programming and powering the board with 5 V
- DC socket 5.5 / 2.1 mm - used to power the board with voltage from 6 V to 12 V
- JST 2-PH connector - used to connect a lithium-polymer Li-Pol battery with a capacity of 250 mAh or more (3.7 V / 4.2 V)
Technical Specifications
- Chip: ESP32-S2 WROVER Tensilica 240 MHz
- Flash memory: 4 MB
- PSRAM memory: 2 MB
- USB connector: USB type C port - for programming and power supply
- MAX17048 system: monitoring battery operation (when powered by a Li-Pol battery)
- Buttons: Reset and DFU (BOOT0)
- Pins: STEMMA QT / Qwiic for connecting I2C devices
- Low power consumption (80 to 100 uA in sleep mode on battery power)
- Compatible with Arduino or CircuitPython
- Dimensions: 53.2 x 72 mm
- Weight: 22.5 g
Back view of the board.
