Ian wrote a nice instructables how-to on building a USB thermometer using a PIC 18F2550 ... all the I/O needed for the USB interface and the data collection. It looks like a great intro for ...

The Datapaq Furnace Tracker System, which includes a Datapaq TP6 Data Logger, durable thermal barriers and user-friendly Insight ® Software, provides real-time temperature data. Infrared solutions, ...