Author Archives: admin

A Better kind of Job Instruction

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

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

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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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

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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

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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

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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

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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

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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

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Movember Update

Shaving This weekend – Thank god!

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