Hello, We are using an Huawei usb dongle to connect our RPi B+ via 4G to the Internet. Is there any possibility to also have acces to the AT commands? I would like to send also SMS via the same dongle. When I try that the serial port reports as opened (because it it uset as network interface) and I ...

Hello, Thank you for the helpful tutorial. I am trying something: I want to put the CGI module (pytest.py) in some other directory : /home/pi/usbdrive/www/cgi-bin Therefore I have changed the configuration file /etc/apache2/conf-enabled/serve-cgi-bin.conf like this: <Directory "/home/pi/usbdrive/www...

Thank you mmame,

That HAT looks exactly like what I was looking for. It is pretty expensive though.
I have pretty much advanced with my project and I am using one of these:

http://www.vendingtools.ro/en/content/r ... raspislave

Thank you again,
Daniel

Hello there, I have this 3G modem (a Huawei 3372) and it automatically connects to Internet when the RPi boots, like an eth connection. That's fine since I am sending data to a server via this connection. However, I need also to have control over the modem via the AT commands, mainly to send SMS and...

Hi Alan, It is vague indeed. I've made some wrong assumptions... my bad, sorry :) The feeding device is a collection of RPi's used for telemetry (hundreds of them). The RPi's collect data and need co consolidate it .. somewhere ;) I said "somewhere" because this is also a part of a problem. Where? w...

Hello, I am new in RPi world and I just started working with one. I need your help concerning the way data gathered with RPi can be uploaded somewhere. One concern I have is that, due to the large amount of devices feeding data, there can be hundreds of simultanous communications. What would you rec...

Sounds great. Thank you again.

Have a nice day!

KLL wrote:check out
http://www.coinco-europe.com/manuals/US ... En_017.pdf
electric and low level protocol in a ready box

Thank you, I am aware of the difference between RS485 as an electrical standard and MDB. All I want is to know if I can use an 485 RPi adapter to connect to a MDB bus and/or, even better, if there is someone who already did that and how. Or do I need some special MDB adapter for RPi? (if there is on...

- did that
- found this site
- Stop
- go back to square one ....

Hello,

Can someone help me with more information concerning a connection between RPi 3 and a vending machine via a multi-drop bus, please?

I think a RS485 adapter is needed but, due to the 9 bit structure of the MDB packet, I am not sure it will do the job.

Thank you,
Daniel