I'm already polling these via SNMP, and they also have alarm and relay contacts. They can handle quite a few digital/analog sensors as well. Pretty nice units.
On Thu, May 5, 2016 at 9:10 PM, Eric Kuhnke <eric.kuh...@gmail.com> wrote: > there are 1wire protocol temperature sensors that you can spread around a > place for very cheap... > > http://www.finnie.org/2010/03/07/external-temperature-monitoring-with-linux/ > > basically a serial bus/hub talking to all the ibutton devices. you can > connect them over cheap cat5e utp or even alarm cable wiring. Then a shell > script on a 1U linux box to acquire the data from them and store it in small > text files, which you can feed to your monitoring system of choice > (observium, librenms, opennms, cacti, zenoss, whatever) via the snmpd on the > same host. > > https://www.digitemp.com/ > > http://www.instructables.com/id/Temperature-sensor--weatherstation/ > > > On Thu, May 5, 2016 at 7:06 PM, Josh Reynolds <j...@kyneticwifi.com> wrote: >> >> I just use the IT Watchdogs units, like the WD-100 >> http://www.itwatchdogs.com/climate-monitor-watchdog-100-p67.html >> >> On Thu, May 5, 2016 at 9:03 PM, Eric Kuhnke <eric.kuh...@gmail.com> wrote: >> > This Honeywell gateway, model/datasheet? It speaks SNMP over IP and >> > ethernet? >> > >> > I've sort of given up trying to monitor things like ACs directly and >> > rather >> > use the air intake temperatures from the SNMP MIBs for things like Cisco >> > routers in a POP. Or Juniper or whatever. >> > >> > I can't copy and paste it here due to NDA, but I have a very interesting >> > temperature graph from a 6503 with dual sup32 that lives in a ventilated >> > wall mount rack deep inside a parking garage. The parking garage is open >> > to >> > the world at one end so you can chart ambient daily temperature rise and >> > fall by monitoring its air intake sensors. >> > >> > On Thu, May 5, 2016 at 6:09 PM, Erich Kaiser >> > <er...@northcentraltower.com> >> > wrote: >> >> >> >> Mitsubishi all the way, you can use a honeywell gateway to view your >> >> temp >> >> and receive alerts via internet and on your phone. >> >> >> >> >> >> >> >> http://www.mitsubishipro.com/en/professional/products/cooling-only-systems#5305 >> >> >> >> Use a Diamond Dealer, i think you get a 5 year warranty. >> >> >> >> >> >> Erich Kaiser >> >> North Central Tower >> >> er...@northcentraltower.com >> >> Office: 630-621-4804 >> >> Cell: 630-777-9291 >> >> >> >> >> >> On Thu, May 5, 2016 at 3:55 PM, Adam Moffett <dmmoff...@gmail.com> >> >> wrote: >> >>> >> >>> I was looking at mini split air conditioners. I'm pretty annoyed now >> >>> that they all seem to have wireless remotes. >> >>> >> >>> Do they continue running if the batteries die in the remote control? >> >>> I'm >> >>> ok if I just need to change batteries to change settings, but some >> >>> text in >> >>> the manuals seems to imply that the remote doubles as the thermostat. >> >>> >> >>> Do *any* of them allow me to hook up a wired thermostat? Sorry, I'm a >> >>> grumpy old man and I want some wires for my thermostat. >> >>> >> >>> >> >> >> >> >> > > >
