The AirBear
The IPM
Prototype
Final version
Online software
The ChriLCU
Prototype
Final version

Prototype
RC outlet OK, first of all it was important to find remote controlled outlets (in short "RCO") that were suitable for our project, as building our own would have posed a lot of problems and cost lots of money. So we were fortunate by googling a little bit, to find a brand that was perfect for our needs: They were affordable, had a version for in- and out-door use and had individual dip-switch-programmable codes.
So we ordered a set and began building...
The first problem solved, assembling the hardware was quite easy - as there was already a lot of knowledge from building the IPM.
The prototype consisted of the following components: the arduino, an LCD-shield, a real-time-clock, and the RF transmitter (which allowed us to extend the range compared to the standard remote control).
That's how it looked like:
Prototype
The only component missing in this picture is the light sensor, but connecting that component was no problem at all.

The hardware was built pretty fast, now the big part was programming the firmware, as it had to meet special requirements:
  • Controlling the RCOs
  • Using the light sensor
  • Menu structure for all settings
  • Different modes of operation
Read on about the full version to learn more about the operation of the ChriLCU...
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