Features & Specs
SparkFun Thing Plus - ESP32 WROOM (U.FL) Features
- ESP32 WROOM (U.FL) Module
- 21 Multifunctional GPIO
- Up to thirteen 12-bit ADC Channels
- Up to two DAC channels
- Up to sixteen PWM outputs
- Up to eight capacitive touch pins
- Up to three SPI Busses (only one is configured by default in the Arduino IDE)
- An available I2S Audio Output
- Up to two I2C Buses (only one is configured by default in the Arduino IDE)
- Up to two UARTs (only two are configured by default in the Arduino IDE, one UART is used for bootloading/debug)
- 21 Multifunctional GPIO
- Thing Plus (or Feather) Form-Factor:
- Dimensions: 2.55" x 0.9"
- Four Mounting Holes:
- 4-40 screw compatible
- 28 PTH Pins
- micro-B USB Connector
- 2-pin JST Connector for a LiPo Battery (not included)
- 4-pin JST Qwiic Connector
- LEDs:
CHG- Yellow battery charging indicator13- Blue status/test LED
- Buttons:
0Reset
- U.FL Connector
ESP32 WROOM (U.FL) General Features:
- Operating Voltage: 2.3 to 3.6 V
- 2.5 µA deep sleep current
- 80 mA average operating current
- Operating Temperature: -40 to 85 °C
- Xtensa® Dual-Core 32-bit LX6 Microprocessor (up to 240MHz)
- 448KB of ROM and 520KB SRAM
- 16MB of Embedded SPI flash storage
- Integrated 802.11b/g/n WiFi 2.4GHz transceiver
- Integrated dual-mode Bluetooth (classic and BLE)
- Hardware-accelerated encryption (AES, SHA2, ECC, RSA-4096)










