Thing Plus C - ESP32 WROOM
The SparkFun Thing Plus C is an upgraded ESP32 development board in the Feather-compatible Thing Plus form factor, featuring USB-C (up to 2 A), 16 MB flash, a CH340 USB-to-serial IC, on-board battery fuel gauge, and a Qwiic I2C connector with software-controllable power — ideal for low-power data logging projects.
Built around the ESP32-WROOM module, it provides 802.11 b/g/n Wi-Fi, dual-mode Bluetooth (Classic + BLE), 520 KB SRAM, and a rich set of peripherals including capacitive touch, Hall sensors, SPI, UART, I2S, and I2C. A microSD slot on the back and JST connector for LiPo batteries round out the feature set.
Key Features
- ESP32-WROOM Module – 16 MB flash, 520 KB SRAM, Wi-Fi and Bluetooth
- USB-C Connector – Up to 2 A power delivery, CH340 serial bridge
- Battery Fuel Gauge – On-board IC for monitoring LiPo battery level
- Software-Controlled Qwiic Power – Dedicated regulator enables low-power I2C bus control
- MicroSD Slot – On the back for data logging and storage
- 21 GPIO Pins – ADC, DAC, PWM, capacitive touch, SPI, UART, I2S, I2C
- Addressable RGB LED – On-board WS2812 for status indication
- LiPo Battery Support – JST connector with on-board charging
- Feather/Thing Plus Compatible – Standard form factor with Qwiic connector
Tip: In the Arduino IDE, select ESP32 Dev Module as the board type for direct pin-to-pin access to the WROOM module's GPIO.
Ideal For
- Low-power IoT and wireless sensor projects
- Battery-powered data logging with microSD
- Wi-Fi and Bluetooth connected devices
- Qwiic I2C sensor ecosystem builds
Resources
The Thing Plus C - ESP32 WROOM appears in the following collections:
SKU SF-SPX-18018
by SparkFun
