What do i need to monitor the temperature and humidity of a room?
op5 Provides a starterpack for temperature and humidity monitoring with the following components:
1 x Sensor model EM1 incl. 1 x Temp+humidity probe
More information about the device: http://www.sensatronics.com/temperature-monitors/model-em1-temperature-humidity-monitor/
Datasheet can be found here.