Description
The Adafruit ESP32-S2 Feather with BME280 Sensor is a Feather-shaped development board featuring the ESP32-S2 WiFi module with built-in ambient sensor. This board integrates a STEMMA QT connector for I2C device compatibility and includes a BME280 temperature, humidity, and barometric pressure sensor for precise environmental monitoring.
Powered by a 240MHz Tensilica processor, it offers 4MB flash and 2MB PSRAM, making it ideal for CircuitPython or Arduino projects requiring low-cost WiFi connectivity and native USB capabilities.
Features:
- ESP32-S2 240MHz Tensilica processor with native USB for keyboard/mouse, MIDI, or disk drive functionality
- FCC/CE certified mini module with 4MB Flash and 2MB PSRAM for large data buffers
- Power options include USB Type-C or LiPoly battery with onboard charging
- Built-in BME280 temperature, humidity, and barometric pressure sensor connected over I2C
- MAX17048 LiPoly battery monitor chip for voltage and state of charge reporting over I2C
- Reset and DFU (BOOT0) buttons for easy programming via USB serial bootloader
- Serial debug output pin for hardware serial debugging
- STEMMA QT connector with switchable power for low power mode
- Onboard LEDs: Reset, Charge, User, and a status NeoPixel with power control for low power use
- Low power friendly with deep sleep drawing approximately 80~100uA from LiPoly connection
- Compatible with Arduino and CircuitPython programming environments
Technical Details:
- Product Dimensions: 52.4mm x 22.9mm x 7.2mm (2.1″ x 0.9″ x 0.3″)
- Product Weight: 6.3g (0.2oz)
- Battery monitor chip updated to MAX17048 as of July 6, 2023
- Updated power circuitry with Adafruit Pinguin silkscreen and improved NeoPixel/I2C port control
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