AC remote control with LCD display
There's some things probably only a programmer gets to bother about. And the one this article is based on looks a lot like a perfect candidate.
In my apartment, each AC has a remote control. Each remote control has an LCD display which indicates the working temperature of the AC. The AC on the other hand does not have a temperature indicator. Which means your only source of information on the AC's working temperature is it's remote control display.
Each time I have to regulate an AC in the apartment, my idle mind often goes out to wonder about what logic the AC - remote control system works with:
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UP or DOWN (Case 1)
1. When the '<' or '>' button is pressed once on the remote control and the AC is within range of receiving the signal, the AC's working temperature goes one notch down or up, respectively;