This is the sort of thing I was thinking of: http://tuxgraphics.org/electronics/200904/embedded-webserver-equipment-control.shtml
Something along the lines of a hobbyist kit project - cheap but some legwork involved. Greg On Dec 5, 2009, at 8:06 PM, Robert West wrote: > Good thoughts. I'll look those over. I think I have some isolators in my > fun box that I ripped out of something I trashed, never thought of that. > May as well get fancy and use the GOOD hot glue........ > > > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of os10ru...@gmail.com > Sent: Saturday, December 05, 2009 7:02 PM > To: WISPA General List > Subject: Re: [WISPA] Mikrotik Serial Port Monitoring > > There are some really cool (and cheap) ASIC boards with Ethernet based > connectivity that you need to write a custom program for but you could get > really fancy with. They have A/D converters and you could monitor the > battery voltage accurately, and you could have the device email you at the > desired voltage set points and you could have it email you each day with the > battery voltage. It would take some work but it could be nice. > > I would be a little concerned about how well buffered the serial port lines > are on the MT board. You might want to use some opto-isolators for your > interface. > > Greg > > On Dec 5, 2009, at 4:34 PM, Robert West wrote: > >> Before I go over to the MT forums and get treated like an idiot (they are >> somehow able to see through my clever disguise, darn it!) I'm looking for >> anyone who has used the serial pins on the Routerboard to send an on/off >> signal. >> >> >> >> I have a home brew solar install that runs an AP but there are times, like >> many cloudy days in a row, things don't charge as well and the battery > will >> drop and then I lose the AP. I have a backup battery I carry with me and > I >> swap the things from time to time but still, sometimes it drops out. >> >> >> >> I'm cheap, so bear with me here. I know there are lots of things I can > buy >> ($$$) to do what I want to do but I'm a maverick, a rebel, a guy who knows >> just enough to screw everything up and almost enough to fix some of it. >> So.... I only want the MT to send me a message that the battery is low. > I >> have an el-cheapo device, cost me fifteen bucks, that will monitor the >> battery and turn on 3 lights ,"Good", "Low" and "You better get here or > the >> phone is gonna start ringing". If I can take the voltage that is sent to > my >> "low" led and use that to send a signal to the serial port then I think > I'd >> be almost there. Older versions of RouterOS had a package that would >> monitor the serial port but from what I read, it's no more. Was it >> substituted with anything? If so, I can't find it. >> >> >> >> Any help is welcome, just don't send me to the forums, those guys are >> ruthless! >> >> >> >> Robert West >> >> Just Micro Digital Services Inc. >> >> 740-335-7020 >> >> >> >> >> >> > ---------------------------------------------------------------------------- > ---- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> > ---------------------------------------------------------------------------- > ---- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ > > > > ---------------------------------------------------------------------------- > ---- > WISPA Wants You! Join today! > http://signup.wispa.org/ > ---------------------------------------------------------------------------- > ---- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
