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Re:I reverse engineered McDonalds’ internal API by nixgeek on Thursday October 22, 2020 @04:47PM (#24863127)
Since they need internet connectivity to phone home status to McCloud, I don't know why they wouldn't just run an NTP client to keep their time synchronized and accurate?

Moreover the $750 you reference must be a commercial product since you can do GPS on a Raspberry Pi for < $50 easily? Which product are you thinking works for this scenario? Think I've seen everything from $300 to $13000 solutions for this over the years.

Re:I reverse engineered McDonalds’ internal API by kelnos on Thursday October 22, 2020 @07:29PM (#24864456)
I doubt these machines are internet-connected. Most likely is that the store manager notices the machine has gone into its cleaning cycle and manually marks the item on the menu as unavailable.
Re:I reverse engineered McDonalds’ internal API by joezydeco on Thursday October 22, 2020 @05:02PM (#24863258)
You could have a cesium time source in the thing but if the service tech or manager sets it wrong...you're still borked.
Re:I reverse engineered McDonalds’ internal API by OJFord on Thursday October 22, 2020 @06:25PM (#24863936)
But exactly the same borked each and every day!
Re:I reverse engineered McDonalds’ internal API by travisjungroth on Thursday October 22, 2020 @11:14PM (#24865718)
Or a G Shock with radio based time correction is $90. Not saying you could use the watch, but maybe the receiver is available.
Re:I reverse engineered McDonalds’ internal API by tmearnest on Friday October 23, 2020 @05:27PM (#24874384)
And use some computer vision on the raspberry pi to read off the time? I love it! This is why they don’t let me work on hardware.
Re:I reverse engineered McDonalds’ internal API by dkn775 on Thursday October 22, 2020 @11:25PM (#24865771)
Can you provide some information as to how I could do a cheap GPS setup for a non GPS iPad in a similar manner?
Re:I reverse engineered McDonalds’ internal API by _-___________-_ on Friday October 23, 2020 @08:35AM (#24868771)
I think you can do TTL serial on the headphone jack? Just hook a uBlox module up there (or use Bluetooth)