Monitor fire pump by arduino uno and call emergency number by The TD 110 is an automatic dialing device

arduino uno

auto dialing

relay module

buzzar module

12 volt adabter

5 volt adapter

9 led

Step 1:

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More by samirso:Arduino Uno & IR Remote and 8 Channel Relay Module  Arduino Uno Door Magnetic Sensor and Recording Module  Monitor Fire Pump by Arduino Uno and Call Emergency Number  
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