SparkFun boards
4 SparkFun development boards — pinouts, specs, and datasheets.
Qwiic Micro SAMD21
SparkFun · ATSAMD21E18A-U
This board features an ATSAMD21E18A-U microcontroller, providing a compact platform for embedded projects. It breaks out various GPIOs, power pins, and includes USB connectivity, along with a dedicated flash memory section.
SparkFun · ESP32-C6
This SparkFun Qwiic Pocket Development Board features an ESP32-C6 microcontroller. It provides access to various GPIOs, power rails, and USB-C connectivity for development and prototyping.
SparkFun · ATmega32U4
This is a SparkFun Qwiic Pro Micro board featuring an ATmega32U4 microcontroller with a USB-C connector. It operates at 5V logic for the MCU, but its I2C bus uses 3.3V logic. It supports a maximum input voltage of 6VDC.
Thing Plus ESP32-S3
SparkFun · ESP32-S3-MINI-1-N4R2
The SparkFun Thing Plus ESP32-S3 is a compact development board featuring an ESP32-S3 module with 4MB flash and 2MB PSRAM. It includes a USB-C connector, LiPo battery charging and fuel gauge, a Qwiic connector, and a microSD card slot for versatile IoT and portable applications.