[Lab] ESP8266 issues and data logger
tahnok at gmail.com
Mon Dec 8 10:42:35 EST 2014
Does anyone have one they would like to sell me? I'm kinda tempted to play
with one over the holidays but I'm worried it won't get here in time
On Sun, Dec 7, 2014 at 10:13 PM, micro <micro222 at gmail.com> wrote:
> Hi Adrian,
> I bought some of them a while ago and found them to be too temperamental.
> I'm told that there are people working on better firmware so I'll wait for
> the dust to clear then try them again.
> On 7 December 2014 at 09:52, Adrian Jones <adrian at woodsgood.ca> wrote:
>> Dear all,
>> After the suggestions and ideas from you all, I have developed a
>> proof-of-concept data logger (http://woodsgood.ca/projects/ ) that
>> measures temperature and humidity. I shall be refining it to measure the
>> water temperature and water level of our lake. The breadboard design has
>> been running for a couple of days and I am pleased enough with it to
>> a circuit board and complete the rest of the hardware.
>> Overall, while the ESP8266 is a neat little device and a very cheap
>> for a WiFi transceiver, I have found it to be somewhat unstable and
>> unpredictable. I shall try to narrow down what's happening (rail stability
>> is one issue that I already reported on) but on occasion it has entered
>> something like a reset loop where it spits out it's "System Ready" message
>> repeatedly and does not respond to any AT commands. A hard reset (power
>> cycle) or a chip reset (RST low for 50ms) seems to get everything back on
>> track. I shall build this into the software to force a reset if the unit
>> throws multiple failed transmission errors, so this issue (maybe of my own
>> making) can be addressed.
>> I don't know if others have experienced this instability, so ideas please?
>> Once I test the new batch I have ordered, I shall report again.
>> Many thanks,
>> .... Adrian
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