pete49
Posts: 9
Joined: Fri Jan 01, 2016 11:57 am
Location: South Australia

touchscreen question

Tue Mar 01, 2016 5:01 am

Very new to this RPi thing but due to wanting to fit it into a case I printed I bought this touchscreen for my pi from ebay http://www.ebay.com.au/itm/201426004372 ... EBIDX%3AIT.
When I power it up with the pi it lights the screen with coloured stripes. Do I need to give it its own power source as well? I am using the HDMI cable from RPi2 to the screen. Do I have to add some code or a driver to it and if so how? The RPi works great on the 19" monitor but its too bulky to carry around :lol: and I want to do some things away from the home. I could use my tablet but that defeats the advantage of having a RPi.
Pete

texy
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Joined: Sat Mar 03, 2012 10:59 am
Location: Berkshire, England

Re: touchscreen question

Tue Mar 01, 2016 1:32 pm

Do I need to give it its own power source as well?
It looks like it has its own black DC power connector - did it not come with a PSU.
You have of course contacted the seller?

Texy
Various male/female 40- and 26-way GPIO header for sale here ( IDEAL FOR YOUR PiZero ):
https://www.raspberrypi.org/forums/viewtopic.php?f=93&t=147682#p971555

pete49
Posts: 9
Joined: Fri Jan 01, 2016 11:57 am
Location: South Australia

Re: touchscreen question

Wed Mar 02, 2016 4:50 am

Still waiting for a reply from them but the screen lights up with RPi power and when I add power to the screen as well it shows no change. Just thought others may be using non OM gear and found ways to make it work. I thought the idea of the RPi forum was to help people learn about these things to save having to re-invent the wheel so to speak. Just new to this stuff and loving it but a windows user from win 3.1 I'm finding the transition difficult. With M$ I would just look for drivers and add them or whatever but this is a bit more daunting for me.
Pete

texy
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Forum Moderator
Posts: 5161
Joined: Sat Mar 03, 2012 10:59 am
Location: Berkshire, England

Re: touchscreen question

Wed Mar 02, 2016 7:14 am

You'll need to wait for help from someone who has the screen or the supplier, but I'm fairly sure that you will need to use the DC PSU supplied with it - it's probably getting some power from the Pi's supply, but not enough for full operation (depending on the rating).

Texy
Various male/female 40- and 26-way GPIO header for sale here ( IDEAL FOR YOUR PiZero ):
https://www.raspberrypi.org/forums/viewtopic.php?f=93&t=147682#p971555

pete49
Posts: 9
Joined: Fri Jan 01, 2016 11:57 am
Location: South Australia

Re: touchscreen question

Wed Mar 02, 2016 1:59 pm

Thanks texy. I think you may be on the money there. I'll try using a second ps and see what I get

Pete

Bucki
Posts: 28
Joined: Sun Jan 10, 2016 4:33 am

Re: touchscreen question

Thu Mar 03, 2016 4:32 am

In the pictures, on bottom of the circuit board, it says 5V in for both the barrel jack and micro USB/

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