Category Archives: Mobile Terminal

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

Posted in Indevin, Mobile Terminal | Tagged , , , , , , | Comments Off on A Better kind of Job Instruction

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

Posted in Indevin, Mobile Terminal | Tagged , , , | Comments Off on Tinkering around

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 , , , | Comments Off on Slow progress on RFID decoding

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 , , | Comments Off on Decoding an EM4100 Manchester Encoded RFID Tag

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

Posted in Mobile Terminal | Tagged , , , | Comments Off on Latest Updates

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 | Comments Off on Hardware, so close now!

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 , , , | Comments Off on Back to the grindstone

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

Posted in catch2, Indevin, Mobile Terminal | Tagged , , , | Comments Off on October Update

PIC32 Low power operation

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

Posted in Mobile Terminal | Tagged , , , , | Comments Off on PIC32 Low power operation

Seriously!

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

Posted in Mobile Terminal | Comments Off on Seriously!