SparkFunOpenLog Open-source data logger works over a simple serial connection Supports microSD FAT16/32 cards up to 32GB Configurable baud rates up to 115200bps Preprogrammed ATmega328 and bootloader

Description

💡 Capture Every Byte, Own Every Insight

The SparkFun OpenLog is an open-source serial data logger featuring a preprogrammed ATmega328 microcontroller and Optiboot bootloader. It supports microSD cards from 512MB up to 32GB with FAT16/32 formatting, configurable baud rates up to 115200bps, and ultra-low power consumption (2mA idle). Equipped with SPI pogo pins and dual LEDs for status indication, it offers a plug-and-play solution for reliable, high-capacity data logging in scientific, debugging, or project monitoring applications.