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Adafruit ESP32-S2 Feather
AdafruitESP32-S2
The Adafruit ESP32-S2 Feather is a compact development board featuring an ESP32-S2 microcontroller with native USB and WiFi. It includes 4MB flash, 2MB PSRAM, a STEMMA QT connector, and a battery monitor, making it ideal for IoT projects.
In stock
Specifications
15- Clock Speed
- 240 MHz
- Flash
- 4 MB
- Ram
- 2 MB
- Connectivity
- Wi-Fi
- Usb
- USB-C, Native USB
- Core Count
- single
- Logic Level
- 3.3 V
- Operating Voltage
- 3.3 V
- Battery Charging
- Yes
- Deep Sleep Current
- 30 uA
- Gpio Count
- 25
- Bluetooth Support
- No
- I2c Address Battery Monitor Lc709203
- 0x0B
- I2c Address Battery Monitor Max17048
- 0x36
- I2c Address Bme280
- 0x77
Pinout
30| Pin | Name | Functions | Notes |
|---|---|---|---|
| — | GND | GND | |
| — | BAT | POWER | Positive voltage to/from LiPoly JST jack |
| — | USB | POWER | Positive voltage to/from USB C jack |
| — | EN | GPIOPOWER | 3.3V regulator enable pin; connect to ground to disable |
| — | 3.3V | POWER | Output from the 3.3V regulator, 500mA peak |
| A0 | A0 | GPIOADCDAC | 8-bit true analog output, also analog input (ADC2) |
| A1 | A1 | GPIOADCDAC | 8-bit true analog output, also analog input (ADC2) |
| A2 | A2 | GPIOADC | Analog input (ADC2) |
| A3 | A3 | GPIOADC | Analog input (ADC2) |
| A4 | A4 | GPIOADC | Analog input (ADC2) |
| A5 | A5 | GPIOADC | Analog input (ADC1) |
| SCK | SCK | GPIOSPI | SPI clock pin |
| MOSI | MOSI | GPIOSPI | SPI Microcontroller Out / Sensor In pin |
| MISO | MISO | GPIOSPI | SPI Microcontroller In / Sensor Out pin |
| RX | RX | GPIOUART | UART receive pin |
| TX | TX | GPIOUART | UART transmit pin |
| SCL | SCL | GPIOI2C | I2C clock pin, with 5k pullup |
| SDA | SDA | GPIOI2C | I2C data pin, with 5k pullup |
| D5 | D5 | GPIOADC | Digital pin, also analog input (ADC1) |
| D6 | D6 | GPIOADC | Digital pin, also analog input (ADC1) |
| D9 | D9 | GPIOADC | Digital pin, also analog input (ADC1) |
| D10 | D10 | GPIOADC | Digital pin, also analog input (ADC1) |
| D11 | D11 | GPIOADC | Digital pin, also analog input (ADC2) |
| D12 | D12 | GPIOADC | Digital pin, also analog input (ADC2) |
| D13 | D13 | GPIOADC | Digital pin, also analog input (ADC2) |
| Neo | NeoPixel | GPIOPWM | Addressable RGB LED, also functions as status LED |
| 13 | LED | GPIO | Red LED, also functions as status LED |
| — | RST | GPIO | Reset button, restarts the board |
| 0 | BOOT | GPIO | Boot button, can be read as input or used to enter ROM bootloader mode |
| — | DB | UART | Debug TX pin for hardware UART debug output |
Interactive pinout
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ESP32-S2
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