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Logomatic v2 Serial SD Datalogger


$69.80 AUD, inc GST
$63.45 AUD, exc GST

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Logomatic v2 Serial SD Datalogger
69.8 AUD


$69.80 AUD, inc GST
$63.45 AUD, exc GST
Shipping Offer


  • $6.95 Standard (2-4 days, tracked)
  • $8.95 Express (Overnight*, tracked)
  • $3 Economy Post* (3-7 days, no tracking)
  • FREE Pickup (Newcastle only)

Shipping costs may increase for heavy products or large orders.

Exact shipping can be calculated on the view cart page.

*Conditions apply, see shipping tab below.

As of March 1st, 2011, the Logomatic now ships with the MCP73831 battery charger IC instead of the hard-to-find MAX1555.


The highly popular Logomatic v2 from SparkFun uses a USB mass storage stack to appear under any operating system as a flash drive. Logs are created in FAT16 format on the micro-SD media (not included) and can be downloaded quickly over a USB connection by dragging and dropping the text files from the device. The micro-SD card can also be removed and inserted into a card reader to download the logs. This board connects to a computer with a USB A to mini-B cable (not included).

The board operates at 3.3V but has 5V-tolerant inputs, and it has a recommended supply voltage of 3.6 to 7.5 V (9 V absolute maximum). If you choose to power the board with LiPo batteries, the Logomatic v2 can charge them off of USB with its built-in LiPo charger. The power connector on the board is a 2-pin male JST connector that works with Pololu's 2-pin female JST cables. Note that the power connector is not compatible with the female connectors on Pololu's NiMH battery packs. The board’s pins have a 0.1" pitch and work with 0.1" male headers and 0.1" female headers.

The Logomatic v2 ships with basic serial text and analog logging. This firmware supports many applications, but users are encouraged to modify the firmware for their specific requirements. This firmware is open-source and available under the resources tab. The board uses an NXP LPC2148 ARM7 microcontroller that contains a USB bootloader, so it can be reprogrammed without the need for an external programmer.


  • Modes of operation: auto-UART, character-triggered UART, ADC
  • 8 ADC channels, all selectable as on or off
  • Bootloader-programmable LPC2148 ARM7 with 512K user flash
  • 10 available GPIO pins
  • Built-in RTC
  • 2 Status LEDs
  • USB Link LED
  • External interrupt micro-SD socket
  • Compatible with low-cost flash media up to 2GB
  • Built-in MCP73831 USB charger (300mA max)
  • Built-in USB mass storage device bootloader
  • Integrated power switch and user-interface pusbuttons
  • Recommended supply voltage: 3.6 to 7.5 V (9 V absolute maximum)
  • Logic voltage: 3.3 V (from on-board 3.3V LDO regulator) with 5V-tolerant inputs
  • Current draw: < 80 mA (depends on the UART logging frequency)
  • Dimensions: 1.5 × 2.4"

Example Applications

  • Log your travel path with a GPS module.
  • Log the forces you experience on an amusement park ride using an inertial measurement unit.
  • Log weather data (e.g. temperature, pressure, humidity) with a USB weather board.
  • Log activity in a room with a motion sensor or a distance sensor mounted in a doorway.
  • Log your robot’s battery voltage to obtain a discharge curve.
  • Log your robot’s sensors or other data from your robot controller as it runs.

Note: Even though this board has 5V-tolerant inputs, it cannot measure voltages above 3.3 V. These voltages will be logged as 3.3 V.

Documentation and Resources:

Product Comments

Exact shipping can be calculated on the view cart page (no login required).

We deliver Australia-wide with these options:

  • $3 for Small Items (3-7 days, not tracked, only available on selected small items)
  • $6.95 for Standard Post (2-4 days, tracked)
  • $8.95 for Express Post (Overnight for Australia Post Next Day Network, tracked)
  • Pickup - Free! Only available to customers who live in the Newcastle region (only after we email you to notify your order is ready)

International Orders - the following rates are for New Zealand and will vary for other countries:

  • $11.49 for Pack and Track (3+ days, tracked)
  • $16.50 for Express International (2-5 days, tracked)

If you order lots of gear, the postage amount might increment based on the weight of your order.

Our physical address (here's a PDF which includes other key business details):

Unit 18, 132 Garden Grove Parade
NSW, 2289

Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.

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