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Questions relating to the Raspberry Pi USB ports and specific Raspberry Pi USB devices and device interaction.

3 votes
1 answer
670 views

Raspberry Pi B+ direct interface with usb camera

I would like to know if it is possible to connect usb cameras directly with RPi B+? … The RPi can deliver upto a max of 1.2A for the 4 usb ports. Also, I am thinking of a project where I would require 2 USB cameras, so is it possible to use 2 usb cameras with the same RPi B+? …
Ron Thomas's user avatar
1 vote
1 answer
289 views

Connecting a 12V USB device to Pi [closed]

I'm planning to use a long range USB RFID reader (12V) like this with Pi. As Pi USB can supply only 5V, how can I connect it to Pi USB, if it is not external powered..?? …
Ron Thomas's user avatar
3 votes
2 answers
19k views

Barcode Scanners compatible with Raspberry Pi

Something around $50 would be great, like the Barcode Scanners we use at POS (Point of Sale), preferably an auto scan Barcode scanner with a USB type. …
Ron Thomas's user avatar
1 vote
1 answer
397 views

Is it possible to connect zigbee and a GSM modem over the same RX, TX GPIO pins of Pi?

Other option would be to connect it over USB. So, if I connect Zigbee through Rx, Tx pins and use a RS-232 to USB cable to connect the GSM modem, will that be fine...? …
Ron Thomas's user avatar