Product description: Feather ESP32-S2 - WiFi module - with BME280 sensor - compatible with Arduino - Adafruit 5303
WiFi module based on ESP32-S2 system, equipped with 4 MB Flash memory and 2 MB PSRAM . It also has a built-in BME280 system that allows you to measure humidity, temperature and pressure. Feather ESP32 is an energy-efficient 2.4 GHz WiFi System-on-Chip (SoC) solution, with a built-in native USB port. It does not support Bluetooth connectivity . The product is used in projects in the field of the Internet of Things (IoT), smart clothes and home automation.
The manufacturer provides a detailed user guide - check it out!
WiFi module with BME280 environmental sensor .
What is Feather ESP32-S2
Feather ESP32-S2 is a small module with Espressif WiFi microcontroller with low energy consumption . Thanks to its small size, it can be successfully used in projects in the field of, among others IoT and home automation. The Feather ESP32-S2 is based on a Tensilica 240 MHz single-core processor . It has 4 MB of flash + 2 MB of PSRAM. It supports i.a. Time of flight (ToF) measurement. The product is equipped with native USB.
Kit contents
- Feather ESP32-S2 - WiFi module - with BME280 sensor - compatible with Arduino - Adafruit 5303 - 1 piece
- GPIO pins for self-soldering - 2 pieces
Description of the pins Feather ESP32-S2
- USB C port - for powering and programming the board
- JST 2-PH connector with a Li-Pol battery charger - you can connect a 3.7 / 4.2 V Li-Pol battery with a capacity of 250 mAh to it
- CHG LED - while the battery is charging, the yellow LED is on - when charging is completed, the LED turns off, and if the battery is not connected - the LED may flash quickly
- GND - common ground for all power supplies and logic pins
- BAT - positive voltage from / to the 2-pin JST socket for an optional Li-Pol battery
- USB - positive voltage from / to the USB C socket, if USB is connected
- EN - 3.3 V voltage regulator pin
- 3.3 V - controller output 3.3 V (peak 500 mA)
A detailed layout of pins and pins can be found on the manufacturer's website .
Feather ESP32-S2 in the set with goldpin connectors.
Basic information about pins
- A0 and A1 are the only DAC output pins. Can be used as 8-bit analog outputs
- Pins from A2 to A5 - can be used as analog inputs
- SPI bus:
- SCK: SPI clock line pin
- MOSI: SPI Microcontroller Out / Sensor In
- MISO: SPI Microcontroller In / Sensor Out
- UART interface
- RX: UART receiver pin
- TX: UART transmitter pin
- I2C interface (shared by STEMMA QT connector)
- SCL: clock pin of the I2C bus
- SDA: data pin of the I2C bus
- Digital pins: D5, D6, D9 to D13
Technical specification of the module
- Tensilica 240 MHz processor
- 4MB Flash and 2MB PSRAM
- Built-in BME280 system that allows you to measure humidity, temperature and pressure
- Native USB
- USB Type-C port - for programming and power
- JST 2-PH connector with Li-Pol battery charger
- MAX17048 system monitoring the operation of the battery (when powered by a Li-Pol battery)
- Reset and DFU (BOOT0) buttons
- STEMMA QT connector for I2C devices
- Diodes informing about the status of operation and loading of the module (also support for NeoPixel)
- Low energy consumption (80 to 100 uA in sleep mode when running on battery)
- Compatible with Arduino or CircuitPython
- Dimensions: 52.4mm x 22.9mm x 7.2mm
- Weight: 6.3 g
High performance and small dimensions .
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