ArduLog Data Logger

HobbyTronics ArduLog Data Logger
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Model: ARDULOG
Manufacturer: HobbyTronics
Average Rating: 4 out of 5 Stars!

HobbyTronics

ArduLog Data Logger

We have just released V2 of our Ardulog boards so we are selling these original V1 boards off at a discounted price. When they are gone, the're gone.

This is our own version of Sparkfun's Openlog Data Logger. We wanted a slightly different design so we have made our own, whilst still being 100% software compatable. We even offer it with the Openlog software pre-installed our our own Arduino Data Logging Software.

Sparkfun's board is small but we have made ours bigger and added mounting holes so it can be firmly held in place. We also changed the connections to match with the Sparkfun FTDI basic board, so now you can plug it straight in to program it.

Each unit is fully tested

Oops: The labels on the board for RX and TX are reversed
TX is the 2nd pin down on the left, RX the 3rd pin

Features

  • ATmega328 running at 16MHz
  • Quality Molex microSD socket for long lasting connections
  • 100% compatable with Sparkfun Openlog software
  • 4x mounting holes (2mm diameter)
  • Two LEDs indicate status
  • Input voltage from 3.3V to 6V
  • Ardulog runs at 3.3V but all pins are 5V tolerant
  • Reprogrammable ATmega328 using the Arduino IDE.
  • Arduino UNO Bootloader installed
  • 1x Analog Input pin for logging analog signals (Arduino pin A1)
     
  • Board size: 30mm x 25mm

Basic Connections

To get the Ardulog up and running all you need is to connect the GND and +5V pins to a suitable supply and then connect the RX input pin to the device you are logging information from. Connecting the TX pin will display information from the Ardulog but it is not necessary to connect this pin.

So, for instance to log data from a gps unit, connect GND and 5V to power, then connect the RX pin to the TX output pin from the GPS.

Software

The ArduLog Data Logger comes with the Arduino UNO bootloader installed so you can program it just like any Arduino Uno. We offer it either with a copy of the Sparkfun Openlog software installed or with a copy of our own Data Logging software installed.

The Ardulog software is much simpler and has less features than the Openlog software, but it is also half the size and much easier to understand. This leaves plenty of programming space for your own modifications and additions. As it stands, our software is ideal for logging GPS data in an RC model.

The Ardulog software has no command mode, it's setup is controlled completely by a config file on the microSD card (config.txt). This config file contains two pieces of information, the baud rate setting and a log filename prefix. Comments can be added to the config file and an example is shown below

	// Config file for Ardulog
	BAUD  4800   // Baud rate for GPS
	FILE  LOG    // file name prefix
	// end of file

Ardulog reads this file at bootup, sets the baud rate and opens a log file which consists of the filename prefix and a sequence number. The sequence number is incremented automatically at each bootup

E.g.

	LOG.001
	LOG.002
	LOG.003

There is a useful extra pin on the connector between the 5V and GND pins. This is connected to Arduino pin A1 and can be used in analog mode as an input for logging analog values or as a digital input/output pin.

Documents

Ardulog Schematic
Ardulog Software Download
Latest Openlog Code
How to Install Openlog software the easy way

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ArduLog Data Logger
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ArduLog Data Logger
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ArduLog Data Logger
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