MicroMod is a modular interface ecosystem that connects a microcontroller “processor board” to various “carrier board” peripherals. Utilizing the M.2 standard, the MicroMod standard is designed to easily swap out processors.
The SparkFun MicroMod Data Logging Board offers a highly customizable, low-power data logging platform. It features a Qwiic connector and a charging circuit along with a separate RTC battery-backup.
More information is available on the website of Sparkfun.