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Generosity is not giving me that which I need more than you do, but it is giving me that which you need more than I do. - Kahlil Gibran.
Author Archives: admin
Tinkering around
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
Slow progress on RFID decoding
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
Posted in Mobile Terminal
Tagged EM4100, Manchester, MLX90109, RFID
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Vintage Mode.
Yes, significant lack of progress on projects and posts can only mean one thing.. Fully back to the vintage grindstone! Nothing to do but be poised on the end of the phone to tweak Delphi code and fix stuff-ups on the … Continue reading
Posted in Indevin, Uncategorized
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Decoding an EM4100 Manchester Encoded RFID Tag
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
Posted in Mobile Terminal
Tagged EM4100, Manchester Encoding, RFID
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Data Collection Terminal End-Game (Putting it all together)
Getting close to the end game of the mobile data-collection terminal and its here we start to think of how all the different parts are going to fit together as a whole to be useful. As an aid for me … Continue reading
Posted in Uncategorized
Tagged data collection terminal, Delphi, Lazarus, PIC32
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Latest Updates
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
One down, five to go!
Just Finished the hardware, firmware and documentation for the Wine Technologies Multi-Level-Probe. It was nice to go back to a simpler type of project but the customer wanted it that way so it could be assembled in New Zealand (and, … Continue reading
Posted in Uncategorized
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Hardware, so close now!
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
Posted in Mobile Terminal
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Movember Update
Shaving This weekend – Thank god!
Posted in Uncategorized
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Back to the grindstone
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
Posted in Mobile Terminal
Tagged BOR, ESP8266, NCP1421, PIC32
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October Update
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
