>> I have a digital thermometer that also shows humidity and time >> (TempTec, made in Taiwan - Photograph attached). It displays indoor as >> well as outdoor temperatures. For the purpose of measuring outdoor >> temperature, a sensor is connected through a long thin wire. This wire >> gradually got worn out at a point (by getting caught between the >> window frame and the shutter) and the sensor is now lost. Now the >> outdoor temperature is displayed as "LO" all the time. >> The sensor had a plastic case and was circular in shape (around 10mm >> dia. 3mm thick). What can be used in its place now to measure outdoor >> temperature? Hi Bala, Every one I've seen has used the Semitec 103AT-2 thermistor. www.semitec.co.jp 10000 ohms at 25C, B value 3435. Blue with a white dot. You can get them at Radio Shack or All Electronics if Semitec won't sample you one directly. Cheers, Bob -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.