So theoretically, if you draw 50 mA from it, it will last just over 13 hours. That battery can deliver 673 mA for a maximum of an hour. Powering all the components with the above way, the system works as I want.ġ) I want to calculate the power consumption of my system (Not with multimeter, but from datasheet).Ģ) If I power Arduino with a 9V battery (For instance this battery: Panasonic pro power 9V - ) and the SIM900 with another 9V battery, will the system work? And how long will the system lasts?ġ) With an alkaline 9V battery (For example this) and having measured the total required current, how can i calculate how long will it last? If I understand well, i can check it from the 1st & 2nd diagram on page 2 of the above datasheet. ![]() 2) 3 LEDs for typical use, 3 Resistors (330 Ω)ġ) Arduino Mega 2560 is connected with USB on laptop.Ģ) SIM900 is powered by a power supply 12V/2A.ģ) NEO-6M is powered by 3.3V pin of Arduino Mega 2560.Ĥ) LEDs are connected to Analog pins of Arduino Mega 2560.ĥ) All the rest components are powered by the same 5V pin of Arduino Mega 2560.
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