The SparkFun IoT RedBoard is an ESP32 Development Board that includes 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 USB-to-serial is achieved with a USB-C connector with through hole anchoring and the ubiquitous CH340G requiring fewer driver installs.
Features

CPU and OnChip Memory

ESP32-D0WD-V3 embedded, Xtensa dual-core 32-bit LX6 microprocessor, up to 240MHz
448KB ROM
520KB SRAM
16KB SRAM in RTC

WiFi

802.11b/g/n
Bit rate: 802.11n up to 150Mbps
A-MPDU and A-MSDU aggregation
0.4s guard interval support
Center frequency range of operating channel: 2412 ~ 2484MHz

Bluetooth

Bluetooth V4.2 BR/EDR and Bluetooth LE specification

Peripherals

microSD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, TWAI (compatible with ISO 11898-1, i.e. CAN Specification 2.0)

Integrated Components on Module

40MHz crystal oscillator
4/8/16 MB SPI flash

Qwiic connector

Resources

Schematic

Eagle Files

Board Dimensions

Hookup Guide

How to Install CH340C Drivers

Arduino IDE Download

Qwiic Info Page

Compare SparkFun RedBoards

Arduino Buying Guide

GitHub Hardware Repo

FAQs:
Q: What is the SparkFun ESP32 Thing?
A: It’s a versatile IoT development board built around the ESP32 microcontroller, offering Wi-Fi and Bluetooth connectivity, various sensors, a LiPo battery charger, and Qwiic compatibility for easy prototyping.
Q: What are the key features of the board?
A: It features the powerful ESP32 chip, a wide range of onboard sensors (temperature, humidity, pressure, accelerometer, magnetometer), a LiPo battery charger, Qwiic connect system for easy sensor integration, and both Wi-Fi and Bluetooth connectivity.
Q: What are the applications of the SparkFun ESP32 Thing?
A: It’s ideal for a wide range of IoT projects, including home automation, environmental monitoring, wearable devices, robotics, and anything that requires wireless communication and sensor data collection.
Q: Is the SparkFun ESP32 Thing compatible with Arduino IDE?
A: Yes, it’s fully compatible with the Arduino IDE, making it easy for beginners and experienced users to program and develop applications for the board.
Q: Where can I find more information or resources on the SparkFun ESP32 Thing?
A: You can find detailed information, tutorials, and example projects on the SparkFun website’s product page or the official SparkFun Learn platform.