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Description: The SparkFun Logomatic v2 takes everything we learned with multiple logging projects over the years and boils it down to an easy to use device, that is now more adaptable than ever! Version 2 incorporates the LPC2148 with microUSB, battery charging, FAT32 formatting, and microSD support. This allows us to use the SparkFun LPC2148 USB bootloader for even easier and faster modification of the firmware. No programmer required!

The Logomatic v2 uses a USB mass storage stack to appear under any operating system as a flash drive. Logs are created in FAT32 format on the microSD media and can be downloaded quickly over a USB connection by dragging and dropping the text files from the device. The microSD card can also be removed and inserted into a card reader to download the logs.

This board comes with a JST connector to be powered from our line-up of LiPo batteries or other power sources up to 7.5VDC. If you choose to use LiPo batteries, the Logomatic v2 has a built-in charger to charge batteries off USB.

The Logomatic v2 ships with basic serial text and analog logging. Users can easily start with this firmware but are encouraged to modify the firmware for their specific requirements. It’s a truly flexible logger.

Dimensions: 1.5x2.4"

Features:

  • LPC2148 ARM7
  • 512K user flash
  • 10 available GPIO pins
  • 2 Status LEDs
  • microUSB Link LED
  • External interrupt
  • microSD socket
  • Compatible with most SDHC flash media (no longer limited to 2GB)
  • Built-in MCP73831 USB charger (300mA max)
  • Built-in USB mass storage device bootloader

Documents:

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Customer Comments

  • Can I use this to route power from a Li-Po Battery through the logomatic to an Arduino?

  • Why, oh why (!) didn’t you include the ability to have a small coin cell to back up the RTC???? I’ve been asking for this for years!!! Yes, the entire device can run of a LiIon battery… but all it takes is a header to add an optional coin cell (or even the pads for a header!) to make it so that the RTC is useful!

    • So sorry about that! We try to include all the feedback we can in new revisions, but apparently this one fell through the cracks. I’ll get it added into a new bug right now for the future rev.

    • Note that you can sleep the processor but keep the RTC running on the main power supply. The LPC RTC has a great alarm feature to wake it back up at a specific time and date as well.

  • these aren’t the lagers you’re looking for

  • I am using the Analog channel, and want to record at 10kHz. Has anyone succeed doing it? I am pretty sure that there are a lot of lost samples…

  • Does anyone know how to/if it’s possible to use this to periodically wake/turn on a Yun. I would like to send the datalog over wifi once a day. Any ideas/thoughts would be great! Very new here, apologies if it’s a dumb question!

  • Hi,

    What is the maximum current that we draw out of the 3.3V output? The LDO ref is not provided.

    Greg

  • FYI, you can also check my Open Source Voltage logger and Pressure & Temperature Logger projects that run on on my Scorpion Board. It uses log_fs a simple, but robust record-based file system for AT45D DataFlash that I’m quite proud of.

  • Could you use this to emulate an SDIO card, or an SDHC card? I want to test something and be able to emulate the card plugged into a card slot. Thanks!

    • This isn’t really designed to interface with another card slot, since there is one on-board. However, you could hook it up via the data lines to another board’s SD lines, but you’d still have to put an SD card in the Logomatic to have it function properly.

  • Has anyone modified the standard code to respond via UART when an input is triggered? ie, log all incoming serial data AND if any Digital Input goes high send “Digital x Pressed” out the UART? “Digital x Pressed” would also be logged to the SD Card.

  • Does it Log Binary+ ASCII (in short anything) mixed data thrown at it at 115200 baud in UART ‘0’ mode? I know the OPENLOG does, just wanted to know if this device does the same.

  • Can anyone point me to an example of how to use the RTC on this device?

  • Yes, having the RTC battery input would be very useful, not to mention that the voltage regulator draws more power that the CPU in power down mode. Also, the voltage divider network to read the battery voltage uses 1Meg resistors, but the input impedance of the ADC is approximately 40K - huge measurement error!

  • Is there a sample output file posted anywhere?

  • @Spakfun: The Github link above (30/June/2014) shows the firmware was last updated 10 months ago. It also shows the old 10216 product photo and information. Can this be updated to reveal the most recent firmware, and can you please confirm that this new firmware is suitable with the V2 hardware (prod code10216) Fanks!

    • Ah, yea we have to get the links updated between the two versions. The new firmware is compatible with the old v2 hardware!

  • I was wondering if the Jumentum software (http://jumentum.sourceforge.net/) could be loaded onto this, then you could write your own BASIC program to do the data acquisition.

  • I have the Logomatic v2 that I ordered in 2013. The PN is WIG-10216 and it is from Batch # 30804. Can this version have its firmware updated to run the new FAT32 firmware or did you make a PCB change since then? If I’m remembering correctly, I think the one I bought only had FAT16 on it.

    • Yup, you should be able to update the firmware without issue. We did make some minor hardware changes, but mostly to help improve our production process and minimize errors during the builds.

  • When I first saw this I was like what is a logo-matic (shows company logo?). Then I realized log-o-matic. I feel dumb.

  • I’m intrigued…. Why is the shipment of this product to some territories restricted?

    • It’s a general restriction on the LPC ICs.

      • So… why is this restricted but the MBED board not? The MBED board uses a LPC and is more powerful!

      • Yet I can buy one from Ebay sellers in China or Thailand with no restrictions. :)

        (Note: This is not aimed at Sparkfun but at the ineffectiveness of US export controls)

  • <constructive_criticism> Hey, guys – the ability to connect a separate battery to the LPC2148’s “VBAT” pin (pin 49) is conspicuous by it’s absence! Ideally, you’d put a diode from VCC to this pin, and have a small coin cell holder that connects through another diode to this pin. But, at the VERY LEAST, have a zero-ohm resistor in the connection between VBAT and VCC. (A middle ground would be to put a diode in there, and bring VBAT to an edge connection so I can add a [diode protected] coin cell off-board.) </constructive_criticism>

Customer Reviews

3.3 out of 5

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1 of 1 found this helpful:

Great little Logger/Controller

With 8 IO lines, you have a wide variety of options to control/read. With a simple mod, you can control when the attached battery charges when not plugged into the micro USB. I am so glad that this is now a FAT32 version therefore it can use larger SD cards and I can now easily buy some for in it. It is a very stable board, the programming can throw some people off. I would recommend this Logger to anyone who doesn’t have the time or resources to make their own.


Testing one more time

Gave the device a bad review but understand that it may have been the voltage from a 2S LiPo. Don’t use a 2S LiPo on this board. Will review once again soon. Customer service has been excellent in assisting us with our troubles even though we may have caused the issue.

This is an exceptionally large failure rate. Please contact techsupport@sparkfun so they can help you troubleshoot what happened with your boards. If there was indeed a failure on the board hardware, we can get you set up with replacements.


Not easily compatible

The data logger was recommended to me by a Sparkfun tech. with the understanding that it would easily connect to a 9DOF sensor stick, however, it does not. The problem is that the sensor transmits with I2C but the logger does not and we could not easily find any open sourced programming to support the two components. We finally ended up buying an Adafruit 9 do that has better supporting programming And we now hove no use for the components we purchased from Sparkfun. I’m sure they work fine but the combination for our use did not work.

Scott N

Hi, This logger is setup to log analog or serial data from your project. If you want to log information from an I2C device you would need something like an Arduino to interpret the I2C line, and transfer the data out over serial. Sorry these parts didn’t fit your needs.


Related Tutorials

Logomatic Hookup Guide

May 29, 2014

Basic introduction and hook-up guide for the SparkFun Logomatic.