In the past I've used Enviromux devices, polling them via SNMP with MRTG. http://www.networktechinc.com/enviro-mini.htm
Dustin Lundquist Joe wrote:
Can anyone recommend a server room temperature sensor that I can use with openbsd?I want to monitor temperature and humidity. I hope to graph the data from the sensor. The sensor can be connected to my openbsd via usb, serial, or even network.
