Temperature monitoring shell script (therm) based on scom program from Sensorsoft.

• temperature st6105j sensor from Sensorsoft (about $90).
• PC with serial port available
• Sensorsoft driver for temperature sensor (comes with the sensor)
• Big Brother from www.bb4.com (free version)
• plugin (shell script) to retrieve temperature from the sensor.
  

ST6105J Specifications (taken from SensorSoft website)
Measurement/Operating Temperature Range: -40 º C to +60 º C (-40 º F to +140 º F) with internal sensor (NIST traceable)
Precision: 0.5 º C or 0.1 º C
Accuracy: +/- 0.5 º C over 0 º C to +70 º C, +/- 1 º C over remainder of temperature range
Humidity: < 90% RH (non-condensating)
Maximum measurement rate: one reading every second
Housing Dimensions: 8 cm (3.1") x 4 cm (1.6") x 2 cm (0.8")