Re: [avr-chat] microcontroller for complete irrigation unit.

[Juergen Harms]

arduino vs. some avrlibc solution is one question.

But there are other questions: what will your requirements be - say 2 
years from now? still 1 single circuit, or several circuits where the 
circuits are part of programmes - as most somewhat sophisticated 
commercial irrigation systems offer? (having the facility to program 
activation times and periods - using a microprocessor without forseeing 
this flexibility of use would appear a poor solution to me) what 
hardware arrangement will you use some time from now: a minimum DIL 
processor or some mor sophisticated pcb-mounted device? will you support 
input for sensing soil humidity? all these things go together.

I think that the precise choice of the type of microcontroller is 
secondary. I am using an AT90CAN128 - but this is networked over a CAN 
bus (plus a separate PCB for driving 24V AC irrigation circuits via 
photorelays - the irrigation system just being part of a discributed 
domotics system).

Good luck, Juergen