Roving Dynamics Ltd
Home (rodyne.com)
boz@rodyne.com
+64 210 234 2290
Customer Information
About
Recent Customers
Indevin
Omega Seafoods (PHR)
Wine Technology Solutions
External Sites
EasyEda.com (rodyne)
Hack-a-Day
Hacker News
SpaceX
openinverter.org (EV Stuff)
EEVBlog
Recent Posts- The future of Publishing (and why it sucks!)
- Destroy All Humans!
- New eBook – The Summer of Reasoning
- Industrial Display
- New Office and Workshop
- Spocks Brain
- USB Real-Time Clock for Raspberry Pi, etc
- Uploading file data as a C Header
- Encryption for very low data rate embedded systems
- Lora Data Collection Terminal
- If the worst should happen!
Category Archives: Mobile Terminal
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
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 EM4100, Manchester Encoding, RFID
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
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 BOR, ESP8266, NCP1421, PIC32
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
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 LPRC, OSCCONbits.OSWEN, PIC32, PowerSaveIdle(), PowerSaveSleep()
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!