Final project - and then there were two
Another lamp built - two to go!
Today's lessons:
* Important: a Zigbee needs to hear a "wakeup" character (any character) to start sending. So before doing anything else, send it something, like a carriage return, or an "X".
* Also important: when putting the Zigbee into command mode, instead of setting the guard time to 1000 msec exactly, make it 1100 msec, before sending the "+++" command. 1000 msec is too exact, and sometimes does not trigger correctly.
* When two Zigbee radios try to talk at once, neither one is heard.
* Power matters. Voltage, amperage, etc. need to be taken into account.
* If it isn't broken...