**FOR INFORMATIONAL PURPOSES ONLY**
How many times have you driven by an electronic road sign like one of these?
This is the ADDCO portable sign.
*** WARNING YOU SHOULD NEVER TAMPER WITH THESE SIGNS ***
The access panel on the sign is generally protected by a small lock, but often are left unprotected. Upon opening the access panel you can see the display electronics.
The black control pad is attached by a curly cord, with a keyboard on the face.
Scroll down the menu to "Instant Text". Type your message, hit Enter to submit. You can either display it by selecting "Run w/out save" or add more pages to it by selecting "Add page"
** DO NOT ENTER PASSWORDS THAT DONT BELONG TO YOU BUT IF YOU WERE CURIOUS... ** The default password is "DOTS". In all likelihood, the crew will not have changed it. However if they did, while holding "Control" and "Shift", enter "DIPY". This will reset the sign and reset the password to "DOTS". You're in!
@FuchsiaShock wow this sure is educational and I’m every glad nobody would ever use this information for anything other than educational reasons! Because that would be bad :)
@FuchsiaShock Would you happen to know if the default password might be different in, say, Canada?
@toydragon i have no idea, but i suspect not if they're using the same model of sign
i can never think of anything clever enough to enter, to justify going to this much trouble.
Happy Da! Birthday Ve!
@FuchsiaShock I don't s'pose there's any kind of port one could access it through with a device, to minimize the amount of time one needs to spend touching the sign?
@FuchsiaShock thank you for this safety information
they are also sold in Britain since 2012, although every one I've seen has been close to a live lane with at least 60 mph (96 km/h) traffic and generally *do* get used to show important traffic info so not the best idea to mess around with them - the signs are too pricey here to deploy for trivial purposes that a standard keep left/right/speed limit sign could be used for (metal road signs are cheap in comparison)
@FuchsiaShock so it looks like this info was spread already back in 2009 (http://web.archive.org/web/20090721165432/http://www.i-hacked.com/content/view/274/48), and apparently this is still widely possible?
I wonder if there's at least a firmware update available by now and they're just too lazy/incompetent to update them...
@FuchsiaShock Wow. Woooow!!! Is this for real?!??!! 😑
@narF not seen one to try it out myself, or i'd have given it a go
@FuchsiaShock Seriously ... this level of security for a password ... just write "To hack me, you have just to do ..."
This is probably important information for rare emergencies and for identifying this kind of activity! ^_^ BOOSTING
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