Author Topic: maybe the smallest data logger to date  (Read 17020 times)

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ruddycrazy

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maybe the smallest data logger to date
« on: June 19, 2013, 04:04:51 AM »
Hi Guy's,
             I got one of these today as a sample and man for such a small form factor does it pack the goodies. If one is old school and wants to run RetroBSD on it no worries and if one thinks of the ol' TRS-80's and Commordore 64's, MMBasic is those on steriods. Well this small module will do it all.



          These units measure 1"x1" and come with a 32 bit pic micro, SDCard and RTCC, 3.7-20V input voltage range and fit a 68 pin plcc socket. One can also SMD mount the board onto their own custom pcb too. For programming one can use the external pins or the "tag-connect" header.

          My plan is to make a small carrier board and with some AAA rechargable batteries and a I-button have a portable data logger for temp and humidity with time stamp for my business of bathroom and kitchen resurfacing.

         Just think back 10 years and if a guy said a stand alone datalogger would be 1"x1" what would people be saying.......

Regards Bryan


Bruce S

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Re: maybe the smallest data logger to date
« Reply #1 on: June 28, 2013, 08:44:38 AM »
I'm liking the voltage range!
That range would allow the rechargables to get up to full range and not hurt the unit.
Have you done any testing on length of battery run time?
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ruddycrazy

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Re: maybe the smallest data logger to date
« Reply #2 on: July 01, 2013, 02:45:09 PM »
Hi Bruce,
              I have become active in the development of the module on the software side and sofar it's looking like one nice small unit that packs a big punch. In the next week or so I'll have a bit more to say but for now still working hard adding new features.

Regards Bryan

ruddycrazy

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Re: maybe the smallest data logger to date
« Reply #3 on: July 07, 2013, 01:47:11 AM »
Hi Guy's,
              The latest version is now released and includes the Help System I wrote for the MM and rewrote it to suit the module

The Main help Screen



Commands and Functions used



The Editor, also not noted as yet the editor can now create files too



Regards Bryan

ruddycrazy

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Re: maybe the smallest data logger to date
« Reply #4 on: July 14, 2013, 01:59:14 AM »
Hi Guy's,
Geoff has finally released Version 4.4 of the Maximite firmware so the porting for new additions is going ahead right now. In the following days I will be updating the Helpfile System to accommodate the new features and below is an extract from what Geoff has said about the new version.

This version has a load of new features, most of which have been tested in beta versions released on this forum. The short list includes:
- The LIBRARY command (was called the MODULE command)
- Random File I/O
- Support for Spanish keyboards
- The LENGTH keyword for string arrays
- The WATCHDOG command
- The ON KEY interrupt (command)
- SETTICK supports up to four timers
- Interrupts can now call defined subroutines
- The SPRITE COPY and the SPRITE PASTE commands
- Option for two stop bits on the serial Tx
- PWM output now has a resolution of 0.1% or better
- Bug fixes and improvements in many areas

As one can see MMBasic has grown to a new stage of a small standalone computer and extra features will be done to suit the module.

Things that are touted for release are a GSM/GPRS module and maybe sooner a RF module so these embedded modules can talk with one another in real time with the flexibility of a modified version of GWBasic and an active form of Help intergrated.

Pretty soon DIYer's and Professionals will have a decent platform for embedded systems to take this platform further and further.

Regards Bryan

keithturtle

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Re: maybe the smallest data logger to date
« Reply #5 on: May 12, 2015, 08:51:04 PM »
<Bump> Not small, not cheap, but available for serious data gathering

http://www.govdeals.com/index.cfm?fa=Main.Item&itemID=4&acctID=7305

 days to go

Turtle
soli deo gloria

keithturtle

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Re: maybe the smallest data logger to date
« Reply #6 on: May 25, 2015, 01:10:46 PM »
<Bump> Not small, not cheap, but available for serious data gathering

http://www.govdeals.com/index.cfm?fa=Main.Item&itemID=4&acctID=7305

 days to go

Turtle
3 hrs left, no one wants it

Turtle
soli deo gloria