Let there be sound
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Contents
The concept
The idea
I want an AVR to talk to me. No need for it to speak words... i just want a DING DONG sound, or two. Or three. I want it to alert me in case one of few events occurs, and I want to be able to determine which event occured by just hearing it. A lot? Let's see...
The base
Searching for tone generation app notes leads to some decent solutions, yes. A 8MHz crystal, varying PWM fill ratio, a lot of math, etc. Gimme a break, it's sunday damnit. I just want to hear it working.
The problem
Why can't one make it simpler?
Let there be sound!
The base setup
I'll be using tiny2313 by atmel for this one. And a vera-board which is SOOOOOO nice (not). Some pics follow:
Concept #1: PWM + speaker
Concept #2: PWM + piezo w/ builtin generator
Yours truly,
pit, 2013-06-16
