Hi,
I built a remote control based on 2 Xbee S1. One, the transmitter is powered on batteries (pin sleep mode) with 4 switches.
The other one is powered by 12 V (via a LM117 T3.3) and operate the main power panel relays at 24 V through TIP120 transistors.
The goal is to light the lights without moving from the sofa instead of operating the wall switches (who normally operate the relays).
The remote control need just a neat box.
I have the schematics if you need them.
