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uRADMonitor.
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September 17, 2018 at 8:30 pm #6045
emogenet
ParticipantHello,
I finally got to unpack and turn on my uRADMonitor unit.
It is an A3 WiFi unit, serial number 8200012F
I followed the instructions to configure it, and:
– I can see the unit’s wifi SSID (uRADMonitor-2F)
– I can connect to the unit’s access point
– I can see the web page at c1
– I can get to the WiFi configuration page
– I then enter the credentials for my house’s WiFi router and press ‘Apply’At this point, the process fails.
The unit refuses to connect and then beeps (first 3 times, then once in a while one time).
I tried with three different Wifi routers (2 in my home, and my Android phone with access point turned on).
In all cases, the unit fails to connect to the Wifi router (I checked the router’s list of DHCP clients, the unit never shows up).
Not sure what to do at this point.
Any suggestions ? Is a firmware update necessary (I do have the equipment and knowhow to do this).
Here is a dump of my unit’s home page:
uRADMonitor 8200012F
type:8 hw:105 sw:135 RAD:4CPM
VOL:378V 22%
T:26.77C
P:97376Pa
H:52.30RH
VOC:184381
N:49.54dB
CH2O:0.01ppm
PM2.5:4ug/m^3
CO2:1120ppm
UP:350s WDT:324s/400sIP:0.0.0.0
STATUS:disconnected
INT:60s HTTP:0 0/4September 19, 2018 at 6:26 pm #6050David
ParticipantI had the same problem … failing to connect to the home wifi.
My SSID was 22 letters long … this was the first problem.
I noticed that after a connect failure it would not display the entire SSID name
I changed that to an SSID that was 10 letters long
After a number of tries it still would not connect
In desperation I added a space after my SSID eg would not connect to “happy wifi” but would connect to “happy wifi ”
I am not sure if that made a difference and it just requires a number of times to connect but adding a space made it work for me.
Also do not bother looking for a wifi antenna.. like in the pictures and the instructions.Good Luck Dave 82000137
September 19, 2018 at 7:11 pm #6051ParticipantI did solve my problem albeit in a very hackish way.
In my case, the bug came from the http://192.168.4.1/c URL which produces incorrect HTML (the form code is weird).
When I press the “submit” button on the page to submit ssid+pass , it crashes my urad
I solved the issue by waiting long enough (until the browser times out) to finally get to see the URL generated by the form.
I noticed that the SSID and password fields were repeated twice in the URL, which crashes the urad.
I built the correct “submit” URL by hand and sent it to the rebooted URAD via ‘wget’, and it finally “took”.
October 3, 2018 at 8:52 pm #6082uRADMonitor
Keymaster@lumpylumpy There is no Wifi antenna, you got the latest A3 version that comes with an embedded antenna for a more convenient form factor.
@emogenet not quite sure what if the “repeated twice” thing, please post some screen shots with that so I can see. Yes you can call the script directly, the form is:
http://192.168.4.1/s?u=SSID&p=KEYBut please note the SSID and the KEY must be URL ENCODED. There are online tools for that, with a quick google search I found https://meyerweb.com/eric/tools/dencoder/
Timeouts are sometimes possible, due to the Wifi module being stressed a little, being used both as a client (to send data) and a server (to serve local webserver used for config) at the same time, via a 9600bps serial connection. However the configuration must work in all cases and has been tested so on all units shipped.
Please note that there’s a key length limit of 20 characters. Do not use longer passwords on the networks you connect the A3 to.
Hope this helps,
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