SparkFun Thing Plus - ESP32 WROOM (USB-C)

Sparkfun ElectronicsSKU: RB-Spa-2132
Manufacturer #: WRL-20168

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  • SparkFun Thing Plus - ESP32 WROOM w/ USB-C
  • Feather-compatible and Qwiic Connect System enabled
  • Enhanced with µSD card slot and USB-C connector
  • Diverse peripherals for versatile applications
  • 16 MB flash memory and 520 kB internal SRAM
  • Integrated WiFi and dual-mode Bluetooth® capabilities

The SparkFun Thing Plus - ESP32 WROOM (USB-C) is an excellent starting point for exploring Espressif IoT applications while maintaining the features of the original ESP32 WROOM Thing Plus. Espressifs ESP32 WROOM is a robust WiFi and Bluetooth MCU module designed for a wide range of applications. At its core lies the ESP32-D0WDQ6 chip, which is engineered to be scalable and adaptive.

To ensure ease of use, the Thing Plus is made Feather-compatible and utilizes the convenient Qwiic Connect System, eliminating the need for soldering or shields when connecting it to other components. The SparkFun Thing Plus - ESP32 WROOM w/ USB-C offers several improvements over the previous ESP32 Thing Plus. These enhancements include a µSD card slot, a USB-C connector, an integrated RGB status LED, a battery fuel gauge, and two voltage regulators - a separate 700 mA current source for the board and Qwiic connector.

It is worth noting that this board uses a CH340C serial-to-UART bridge, unlike previous versions. The ESP32 Thing Plus incorporates a diverse set of peripherals, such as capacitive touch sensors, an SD card interface, Ethernet, high-speed SPI, UART, I2S, and I2C. Additionally, the module features 16 MB of flash memory, 520 kB of internal SRAM, an integrated 802.11 b/g/n WiFi transceiver with dual-mode Bluetooth® capabilities, and a JST connector for LiPo battery connection.

  • 1x SparkFun Thing Plus - ESP32 WROOM (USB-C)
  • 6.47 cm x 2.29 cm

SparkFun Thing Plus - ESP32 WROOM Features

  • ESP32-WROOM 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
    • An available I2S Audio Output
    • Up to two I2C Busses
    • Up to three UARTs
  • Thing Plus (or Feather) Form-Factor
    • Dimensions: 2.55" x 0.9"
    • Four Mounting Holes:
    • 4-40 Screw compatible
    • 28 PTH Pins
    • USB-C Connector
    • 2-pin JST Connector for a LiPo Battery
    • 4-pin JST Qwiic Connector
    • SD Card Slot
    • MAX17048 Fuel Gauge
  • LEDs
    • PWR - Red Power LED
    • CHG - Yellow battery charging indicator
    • STAT - Blue status LED
  • Buttons
    • BOOT
    • RST

ESP32-WROOM 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® Single-Core 32-bit LX6 Microprocessor (up to 240MHz)
    • 448 KB of ROM and 520 KB SRAM
    • 16 MB of Embedded SPI flash storage
  • Integrated 802.11b/g/n WiFi 2.4 GHz transceiver
  • Integrated dual-mode Bluetooth (classic and BLE)
  • Hardware accelerated encryption (AES, SHA2, ECC, RSA-4096)

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