SparkFun OpenLog
Open-source serial data logger that records UART data to a microSD card (up to 32GB), running from 3.3V to 12V at up to 115200bps.The SparkFun OpenLog is a compact, open-source data logger that acts like a "black box" for your project. Send it serial data over just two wires and it saves everything straight to a microSD card.
It's ideal for recording sensor readings, GPS data or debug output from an Arduino, Raspberry Pi or any other device with a UART. Power it up, connect TX to its RX pin, and it starts logging to a text file automatically.
OpenLog is built around an ATmega328 that comes preprogrammed with the firmware and bootloader, so you can update or customise it with the Arduino IDE. A simple command mode lets you create files, append to them and change settings such as the baud rate, and two LEDs show you when it is writing.
Please note: a microSD card and headers are not included.
Features
- Logs serial (UART) data to a microSD card
- Supports FAT16 / FAT32 microSD cards up to 32GB
- Input voltage: 3.3V to 12V (3.3V to 5V recommended)
- Configurable baud rates up to 115200bps
- Simple command interface for file and settings control
- Preprogrammed ATmega328 with bootloader (open-source firmware)
- Four SPI pogo pin pads
- Two status LEDs to show write activity
- Low current draw: around 2mA when idle
Dimensions
Not specified by the manufacturer.
What's in the box?
1 x SparkFun OpenLog
Resources
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Availability:
Out of Stock
- Model: SE OpenLog
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Brand:
