Finding open WIFI connections, default setups, and messing with people around you wanting an open wifi connection.
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Main parts involved
high level software design.
Found an old phone to use as a case which had some small dremel work done to open up the back more as well as remove some bracing that was in the way. It is rather big but I might be able to re-purpose the keypad for input.
Connecting all parts together
Cram it all into the phone. I used some think plastic to keep metal parts from touching on the components.
You want this project to finish, then skull up. 55 followers and 8 skulls......
I dissabmbled the cell phone and mounted everything on stick of wood with a new OLED. SAME PROBLEM ARG!!!.
For a brief second I saw the screen flash with a message about SD card Init failed but I cannot reproduce. Having thought about this for a day (no bench supply) I have though this could be a current issue. The Pro trinket with its limited current supply is not able to power everything (I know....). It did for a while but now it cannot handle it or a component on the board has failed so it's time to order a dedicated 3V supply that can handle the loads properly and not rely on the small current the trinket can provide.
You can see the OLED (center), trinket (top), wifi (right), part of battery(bottom), and switch/LiPo circuit (front). This stick proto was great as the kids were acting like Thor with a puny WiFi hammer. Hmmmm, fox & hound wifi hunt..... (next project).
Side note, when I switch to bus supply for the OLED I get a constant reset of the trinket. It boots, screen flashes then back into boot mode. endless frustrating loop.
Well life has intervened again and had to fix one of my sons headphones. Complete hack job but he loves them. It appears beats headphones have a flaw resulting in mechanical failure. SAME SPOT months apart from taking headphones on/off. If you would like to see the fix check out the beats fix project. Moving on....
It appears my OLED has stopped working resulting in me re-soldering all joints and having the same result, no screen. I have a bigger screen which I may attempt to move to OR just finish the code with FTDI programmer so I can see results.
Was able to complete the reading of a logo from the SD card and printing out the results of the AP query to the screen. Bad news I just read that the current library from Adafruit for the 1.27" OLED does not support screen rotation which means text is in landscape mode for now.
I will also have to rewire the decide as it does not fit into the cell phone at this time due to the wire bundle causing about 1/8" extra gap and the lipo charger having a large connector which will also be removed tonight. For now please enjoy the crappy video.
Last week I was only able to diagram, test fit, and solder small wires together. Unfortunately I had to deal with s a malicious creature cutting the wires on my Christmas lights. I was lucky in that I had a old webcam and was able find the culprit and am currently bringing them to the proper authorities.
I am not the most avid arduino programmer so getting the list parsed, into an array, and filtered has taken me a bit more time than I thought. I am hoping tonight I can finish that piece so I can work on the self hosted AP logging code.
On another note I did check with UPS tracking and my Trinket/OLED should be here by Wednesday so I can continue programming other parts.
I was able to follow ElectroDragon's firmware update guide to update my ESP8266 modules from 00150900 to 0018000902. Once this was done I was able to run a simple AT+CWLAP and listed all AP's around me with security information, SSID name, RSSi, MAC, and channel. Here are the results from coolterm. The first value after ( is the security used. I also did a lookup based on the MAC to see what type of manufacturer was supposedly being used (names and mac scrubbed). I will update DS2 with no security and see if I can open connect (this is my AP running DD-WRT with VLANS). If that works I will see what I can do with squid proxy to redirect to a login screen to fake a open wifi with login screen (like hotels and Adam's question below).
http://standards.ieee.org/cgi-bin/ouisearch?C0-C1-C0
0=None; 1=WEP; 2=WPA_PSK; 3=WPA2_PSK; 4=WPA_WPA2_PSK;
AT+CWMODE=3
OK
AT+CWLAP +CWLAP:(3,"G1",-93,"ac:22:0b:-------",1) <---ASUSTEK
+CWLAP:(4,"2WIRE123",-59,"b0:e7:54:-------",4) <---2WIRE
+CWLAP:(4,"2WIRE567",-87,"00:26:50:-------",4) <-2WIRE
+CWLAP:(3,"O1",-25,"c2:c1:c0:-------",6) <--CISCO
+CWLAP:(3,"O2",-27,"c2:c1:c0:-------",6) <--CISCO
+CWLAP:(1,"DS2",-25,"c2:c1:c0:-------",6) <--CISCO
+CWLAP:(3,"ROKU10",-64,"b8:3e:59:-------",6) <---ROKU
+CWLAP:(4,"ATT5",-72,"8c:7f:3b:-------",11) <---ARRIS GROUP
+CWLAP:(0,"XFIITYWIFI2",-85,"06:f8:93:-------",11) <--NOT FOUND
OK
Well I could not sleep so I went to read about how the trinket pro works and on adafruit's website is a open wifi detector. Well that was a let down... Looks like I may need to add another project or extend this one for more fun. Might make an option for "open wifi" and then Give users connecting the jurrassic park wrong password gif/sound. Would be fun messing with people at the officE
Congrats Hackaday staff for pulling me out of slacker land... again.
Since I needed other parts to make this project move faster I ordered everything from Adafruit.com. I was lucky to do it this weekend and save 15% on my order with BLACKFRIDAY coupon code. Since I saved a few bucks I ordered a few extra displays, OLED and TFT, but I did forget my RTC or GPS module. Maybe I will order those for the updated version.
I hope to post a general diagram later tonight with the idea and hopefully start the schematic of how all this will connect on the Trinket Pro.
Exactly, I have a few around from the teenage kids not taking them out of pockets when doing laundry. Since it's not a smart phone and not cool they somehow get left behind but that's nothing when I can send them off to a manual labor chore so they understand the value of time/effort = $.
BDM
Benjamin Broce
Xasin
Jakob Kilian
brtnst
Reusing the cellphone is a good idea. That enclosure is meant to handle being carried around in your pocket... I have a half dozen old phone sitting in a box somewhere around here ;-)