simple fire alarm circuit using thermistor  germanium
{"Image Software": "Picasa", "Image DateTime": "2013:10:07 16:01:07", "Image Artist": "Picasa", "Image ExifOffset": "96", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "364", "Thumbnail JPEGInterchangeFormatLength": "3019", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2013:10:07 15:53:06", "EXIF ExifImageWidth": "1270", "EXIF ExifImageLength": "470", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "Interoperability RelatedImageWidth": "1270", "Interoperability RelatedImageLength": "470", "EXIF InteroperabilityOffset": "228", "EXIF ImageUniqueID": "9162ab9df9922a71df946329c79f8e7e"}