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If you understand everything, you must be misinformed. - Japanese Proverb.
Author Archives: admin
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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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
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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
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
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Tagged LPRC, OSCCONbits.OSWEN, PIC32, PowerSaveIdle(), PowerSaveSleep()
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Off to the UK – Book picks..
Off to the UK next week for a show, a little business and to catch up with old acquaintances from my previous life 10 years ago, mainly in Manchester, London and Cheltenham. Those who know me know I hate flying … Continue reading
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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
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Bloody Optics (Again)
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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USR WiFi232-S awkwardness
OK so I have now found out the USR Wifi232-S Low power module, which has the following specs on the web site does not actually have a standby mode.Unfortunately my evaluation of the unit did not include checking sleep current so … Continue reading
August Update
Just a quick update, the revision 2 PCB is back from seeed studios (where EasyEda make their boards) and I’ve assembled most of it minus a couple of components I’m still waiting for, I’ve managed to power it on and … Continue reading
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