The SparkFun WRL-20168 ESP32 WROOM Thing Plus with USB-C is a WiFi and Bluetooth Evaluation Board. Espressif’s ESP32 WROOM is a powerful WiFi and Bluetooth MCU module that targets a wide variety of applications. At the core of this module is the ESP32-D0WDQ6 chip which is designed to be both scalable and adaptive. The SparkFun ESP32 WROOM Thing Plus with USB-C provides a few enhancements to the previous ESP32 Thing Plus.
The ESP32 Thing plus integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C, etc. The module also features 16MB of flash memory, 520kB of internal SRAM, an integrated 802.11 b/g/n WiFi transceiver with dual-mode Bluetooth capabilities, and a JST connector to plug in a LiPo battery.
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 (only one is configured by default in the Arduino IDE)
An available I2S Audio Output
Up to two I2C Busses (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)

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(not included)
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
WS2812 RGB LED

Buttons:

BOOT
RST

ESP32-WROOM General Features

Operating Voltage: 2.3 to 3.6 V

2.5 A deep sleep current
80 mA average operating current

Operating Temperature: -40 to 85 C

Xtensa Single-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)

Resources

Schematic

Eagle Files

Board Dimensions

Graphical Datasheet

Hookup Guide

How to Install CH340 Drivers
Installing Board Definitions in the Arduino IDE

Espressif’s ESP32 Arduino Core.jsonfile:https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json

Component Datasheets:

ESP32-WROOM Module(PDF)

ESP32 SoC(PDF)

MCP73831(PDF)
MAX17048(PDF)
XC6222(PDF)
WS2812(PDF)

Qwiic Info Page

SparkFun Thing Plus Boards

GitHub Hardware Repository

FAQs:
Q: What features does the Thing Plus ESP32-WROOM-32 offer?
A: The Thing Plus ESP32-WROOM-32 features dual Wi-Fi and Bluetooth capabilities, a USB-C connector for easy programming and power, and a range of GPIO pins for various applications.
Q: What are the main applications for the Thing Plus ESP32-WROOM-32?
A: This board is ideal for IoT projects, smart home devices, prototyping, and embedded systems that require wireless communication, including Wi-Fi and Bluetooth applications.
Q: How do I program the Thing Plus ESP32-WROOM-32?
A: You can program the Thing Plus ESP32-WROOM-32 using the USB-C port and software development environments such as Arduino IDE or Espressifs ESP-IDF.
Q: What are the power requirements for the Thing Plus ESP32-WROOM-32?
A: The board operates at 5V supplied via the USB-C connector. The onboard regulator converts this to 3.3V for the ESP32-WROOM-32 module.
Q: Is the Thing Plus ESP32-WROOM-32 compatible with existing ESP32 libraries?
A: Yes, the Thing Plus ESP32-WROOM-32 is fully compatible with existing ESP32 libraries and tools available for the ESP32 platform, including ESP-IDF and Arduino ESP32 libraries.
Q: What is the difference between the Thing Plus ESP32-WROOM-32 and other ESP32 boards?
A: The Thing Plus ESP32-WROOM-32 features a compact form factor, USB-C connector for direct programming, and a user-friendly design for prototyping and development, compared to other ESP32 boards which may have different connectors or form factors.
Q: Does the Thing Plus ESP32-WROOM-32 support OTA (Over-the-Air) updates?
A: Yes, the Thing Plus ESP32-WROOM-32 supports OTA updates, allowing you to update your firmware wirelessly once your project is deployed.
Q: What are the specifications of the ESP32-WROOM-32 module used in the Thing Plus board?
A: The ESP32-WROOM-32 module includes a dual-core 32-bit CPU, Wi-Fi (802.11 b/g/n) and Bluetooth (Classic and BLE) support, 4MB of flash memory, and various GPIOs for interfacing with external components.