Category Archives: Mobile Terminal

Lora Data Collection Terminal

Posted on 26 September 2017 by admin

Not really designed for manufacture, but the final version of this device is quite easy to assemble and doesn’t look too embarrassing for a low volume unit. Design files are here => EasyEDA The only change I may be making … Continue reading →

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Re-Envisioning Mobile Communications

Posted on 23 August 2017 by admin

What follows is an un-researched flight of fancy I’m totally over smartphones! I went back to a dumb phone 12 months ago and my old smartphone is now just used as the remote control for Netflix, Viber calls (see below) … Continue reading →

Posted in IT Failures, Mobile Terminal, Speculation, The Future, Uncategorized | 1 Comment

A Better kind of Job Instruction

Posted on 16 June 2015 by admin

Job sheets are the staple of any production system, they tell the “factory floor” what to manufacture, how many to manufacture and how to do it. Most of the metrics on a job order are calculated using a bill of … Continue reading →

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Tinkering around

Posted on 4 April 2015 by admin

While the case design for the mobile terminal version 1 is set in stone and will not change, I have been thinking of all the messing about I’ve gone through to get to the stage of having a half decent … Continue reading →

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Slow progress on RFID decoding

Posted on 19 March 2015 by admin

From a previous post you may remember this diagram The seleae logic analyser did a good job of decoding this because if you can see, the variation between long and short pulses in some cases are well outside most algorithms … Continue reading →

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Decoding an EM4100 Manchester Encoded RFID Tag

Posted on 1 March 2015 by admin

Above is the 64 bit raw Manchester Encoded data stream coming out of the data pin on the MLX90109 decoder of the Mobile terminal board. I have captured it using the Saleae Logic analyser which conveniently has a Manchester decoding … Continue reading →

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Latest Updates

Posted on 15 January 2015 by admin

Mobile Terminal Hardware Revision 8 Is working! The above shot shows a completed PCB with the LCD and the ESP8266 WiFi module mounted on the reverse. As luck would have it the WiFi Module fits perfectly and the antenna is … Continue reading →

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Hardware, so close now!

Posted on 29 November 2014 by admin

After several days of cussing and pulling out hair I have finally figured the problem with the power and wifi. The NCP1421 works OK but cannot handle the sudden load of 250mA+ put on it by the ESP8266 wifi quick … Continue reading →

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Back to the grindstone

Posted on 4 November 2014 by admin

Finally managed to get a whole day back on the project after almost 2 months, almost seems 1 step back and two steps forward as: Changing the layout of the barcode scanner so it hits the window at an angle … Continue reading →

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October Update

Posted on 19 October 2014 by admin

My visit to the UK was quite awesome and it was really good to catch up with all my old friends and work colleagues again and see how everything has changed, hopefully even convinced a couple to make the journey … Continue reading →

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PIC32 Low power operation

Posted on 1 September 2014 by admin

Looking at the forums, quite a few people seem to have problems with getting the PIC32 to operate at low power, many including me have spent hours wondering why when I issue a PowerSaveIdle() or PowerSaveSleep() command the device is … Continue reading →

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Seriously!

Posted on 26 August 2014 by admin

http://www.seeedstudio.com/depot/WiFi-Serial-Transceiver-Module-w-ESP8266-p-1994.html Yes, the price is $6.95 for a wifi module with on board TCP stack and low power management.. No stock of course and Chinese documentation only but its real and not vapourware or some powerpoint presentation by the look … Continue reading →

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Bloody Optics (Again)

Posted on 25 August 2014 by admin

Optics (Like Mechanics) is a bitch, well for me anyway! The latest problem I have overcome is the positioning of the barcode scanner, being far too keen to get into the electronics part of the MT700 scanner datasheet I skipped … Continue reading →

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