I’ve taken on to much things. Daily full-time job (which I shouldn’t write about) with some interesting new ARM microcontroller, motorcycle season approaching, some private things (which i definitely shouldn’t write about ;-)) and very short (three days) vacations…
Anyway I’m still alive. I’ve bought acceleration sensor MXA2500 and I’ve made it working on some prototype board with Atmega88. I’ve had to order new soldering tool, the old one is damaged (it was crap anyway). I’m trying to work with free Eagle software under Linux (to be frank – Eagle + qt looks ugly) so I hope you’ll see some simple diagrams here soon.
I’m starting work on my motorcycle alarm as soon as I get new tools. First I’ll put here some quickstart guide with simple prototype board diagram (ATMega88, some leds and MAX232 for UART), few words about AVR programming under Linux and Windows and some cruel facts about fuse bits. On this board you’ll be able to run example from previous post (Mega88, UART, C++).
In next step I’ll put here diagram (based on previous one) with MXA2500 and software which detects movement (pull or tilt).
Then I’ll have to think about connecting some noisy horn, make some “user interface” for turning the alarm on and off, power saving and some box (waterproof of course ;-)) to put everything into it.
After that point it could be only better, so maybe remote control, panic, notifying and so on…
So… stay tuned :-)
