Internet of Things Asked by Mark Whitfeld on August 23, 2021
I am looking for a device that runs Linux, has GSM connectivity (given a sim card) and has a USB port. I would like to turn a standard printer into a cloud printer by connecting it via USB to a device that is running a print job agent that would fetch print jobs from the cloud via its own GSM connectivity and send it to the printer.
The simplest thing I have found would be a Raspberry Pi with a GSM module. During my search, I saw some 3G modem dongles and I was really hoping that there could be some sort of device in the same form factor that ran Linux and could connect to the USB device that it was plugged into. The ability to power itself off of the USB power would be massive a bonus too.
Orange pi has some boards that might be what you're looking for. Look for their "IoT" models; some have 2g, 3g or 4g modules built in.
Answered by Igor Moura on August 23, 2021
The Onion Omega2 has its Linux in flash, rather than on an SD card.
You can also get versions with flash which your code can read/write (up to 8gB, IIRC).
Plus, out of the box it powers up as an access point, so that you can WiFi connect to it, which I find far easier than a headless setup on the Pi.
All that you need now is its GSM shield and you are set. Btw, they will send you a Hologram IoT SIM Card which is quite inexpensive.
It has an active forum, with good support, plus a free book of projects, and some good shields, including an ADC shield which has you three Grove connectors for about 300 sensors, motors, etc with Plug & Play connectivity, if you are not given to soldering.
Answered by Mawg says reinstate Monica on August 23, 2021
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