Hi guys I’m in the process of putting together a remote data logging project and as usual want to power the device for as long as possible on batteries. I have found the answers to most of my questions via lots of research but the one answer I cannot find is this... Can I power my arduino using a…

Thanks for fast reply ieee488. I intend to use the mega core board as I have lots of peripherals to run (gps, rtc, sd, rfid, gsm) If anyone has any tips how I can get this baby to run for months on a power bank I would be greatful. I intend to put as much to sleep/powered off as possible and just…

Months on a power bank? Not going to happen. They run a switching power converter to kick the 3.x v from battery up to 5v, and that has to be on whenever they're supplying 5v, this has significant overhead. The power bank can't power this (nevermind with a load) for months. If you want to get month…

Thanks Doc Even if I run directly off the battery I’m still going to need a converter on it as there are no 5v batteries out there? I either need to step up or down through one no matter what I do. Just figured a power bank was the easiest choice as it’s a single packaged unit (battery and converte…

What exactly do you want to log there that you need a mega board? I would almost go as far as claiming that Arduino is not battery compatible in general. There is way too much stuff like LEDs, USB-to-Serial converter and Co on the board which takes too much power and cannot be put to sleep. The onl…

Powerbanks are very convenient. But for long term use you do not want to be stepping up the voltage. There are many articles on minimizing power usage. I am not an expert at that. I hope that others here will be able to help. Is size a factor for you? Adding more capacity to the battery is the fir…

I need the mega as need more than 1 serial and don’t want to using softwareserial etc. Plus then 328 chip Is to small to hold my sketch.

jarnbu: I need the mega as need more than 1 serial and don’t want to using softwareserial etc. Plus then 328 chip Is to small to hold my sketch. I would probably bet money that there is a better solution, but if you don't want to give any details, go ahead. Then your best bet is probably to use…

ElCaron: I would probably bet money that there is a better solution, but if you don't want to give any details, go ahead. He did write remote datalogging.

First measure how much current is taken by your machine, multiply it by numbers of hour in the month, then you know what capacity battery is required

Power bank to 5v pin

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ieee488 March 14, 2018, 9:50pm 2

I do it that with an Arduino Pro Mini and five 8x8 LED matrices.
Runs for 12 hours continuous.

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Power bank to 5v pin

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