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Comment by microman | Hacker News Reader

I use RPis for bespoke installations for clients. One of the problems has been offering an easy way to make adjustments to the apps the RPi is running without a keyboard/mouse/monitor setup or having to SSH in. This is a great way to offer the ability to make changes. Looking forward to trying one out

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For my headless Pis, I attach a BT TTL serial port to the rx/tx pins. They run about $15 or less. This lets me pair to the serial port from my laptop, watch it boot the kernel, login and do whatever cli commands I need. I can also use BlueTerm on my android phone to do the same thing (though make sure you get the hacker keyboard if you go this route).

Here's pretty much the article I followed, though I bumped my console up to 115200. http://blog.miguelgrinberg.com/post/a-cheap-bluetooth-serial...

What kinds of installations do you use these in for clients? Automation? Communication? As a small server?

I have a RPi sitting here and I'm not sure what to do with it!

I once created password less WiFi hot spot and served weird texts instead of websites. For example if someone went to google.com, a person received "No Google for you today" message instead...

Haha, this is great. Do you still have it going? How did you make it work?

Promotional quiz games where there are two buttons wired up to the RPi which is serving a web-based game, tweet-powered devices (RPi listens to the Twitter stream and activates a power switch when a certain hashtag is used) etc.

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