Recent content by yzf600

  I setup a wireless RS485 link to my pump (using custom build PCBs for Synapse wireless modules) and got the posted software to work perfectly. I can tell the pump to run the 4 "external control" programs, or send me status. Despite having an Intelliflow VS pump (011018), I can't get any GPM...

Hey all, Just wanted do some shameless self promotion for my DIY home security system. I'm documenting the development of it on my blog at http://yzf600.dns2go.com/blog. Basically I have a networked main board (Atmel ngw100 avr32 microcontroller devel board) with all the sensors plugged into...

As cool as this sounds, it isn't exactly practical for a security system. The laser diodes used in pointers only have a lifetime of 3000 to 10000 hours. That's only 125 to ~400 days. It would really suck having to replace the laser every 4 months to 1 year. I suppose you could rig up a more...

You can install micro perl on it. I'm going to install python on it instead and learn that language for my task. Doing these things requires you to re-compile the entire linux package for the ngw100 from scratch. While this may sound daunting (it did for me at 1st), there is a reasonable amount...

I found that bluetooth proximity sensor script before as well, but I was never able to get it working quite well. I ported it over to perl and made some improvements that made things more reliable for me. The original script was meant to automatically lock your computer screen when the...

With my wireless solution, each remote has a unique address/key. Every remote has to be authorized to work in the system. If the remote is stolen or lost, I can just remove it from the authorized list.

I'm going to purchase an Elk M1 (8EZ or Gold) soon. Being an electrical engineer and wanting custom features, I want to develop my own ethernet -> serial interface for it. I have already developed a custom interface board solution that can talk on a RS485 bus or on a RS232 bus. I see the RS232...