AVT2993 A +

Temperature measurement systems are among the most often constructed by electronics hobbyists. Presented device differs from other thermometers by means of communication with the user. It allows you to measure and monitor the temperature at a distance and the only limitation is the range of mobile telephony. Data transmission takes place via a mobile phone with an AT modem interface - by calling or sending commands in SMS messages. To read the temperature, please call the device number. After a while, we will receive a return SMS with the measurement value.

The device is especially recommended for remote temperature monitoring

Selected parameters:

• the device consists of a controller and a mobile phone cooperating with it
• DS18B20 temperature sensor
• cooperation with up to 10 phone numbers of recipients of temperature readings
• galvanically separated alarm trigger input
• power supply - from a telephone set
• a printed circuit board, programmed layout and documentation in the set
  
  Detailed description in
  EdW12 / 11