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Topic: Adapter rating for arduino with gsm shield. (Read 421 times) previous topic - next topic

dhiraj_gehlot

hello,
some queries regarding arduino mega

1.For Arduino mega + Arduino gsm shield, what should be adapter rating ?
As it is mentioned that gsm shield with arduino uses 9-12v and 2A at peak of transmission.
I think 2A is quite high .


2.If i attach couple of sensors like mq-7,sharp dust sensor and mq- 135 along with gsm + mega
which adapter should i use?


mq-7 datasheet: https://www.sparkfun.com/datasheets/Sensors/Biometric/MQ-7.pdf

mq-135 : www.futurlec.com/Datasheet/Sensor/MQ-135.pdf

sharp dust sensor : www.sharpsme.com/download/gp2y1010au-epdf

thanks..

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