How to set up the Raspberry Pi 7 Touchscreen

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I recently purchased the 7” touch screen for the Raspberry Pi and thought I’d put something together to show how it’s set up and share my thoughts on it so far. This has been a really popular item and I had to check it out.

The Kit

The Raspberry Pi 7” Touchscreen kit came from Newark element14 , and it’s boxed with everything you need (except of course a Raspberry Pi). It comes with an interface boards and everything to mount a pi to the back of it, which can be pretty nice.

Tip:Leave the plastic coating on the touchscreen while assembling it so you don’t damage anything.

Video Interface Cables

These are delicate pieces so you should be careful hooking these up.

These connections work by sliding out the black piece, then pushing the ribbon inside and pushing the black piece back in. Start by applying pressure in the middle of the black piece first, and if you encounter resistance, try resetting the ribbon in it. Don’t try to ram it in, if it breaks it won’t work at all.

Set this large connection first then turn the board over to insert the smaller one and connect it in the same fashion.

Now that it’s turned over it’s ready to mount using the supplied standoff screws:

Connecting to the Pi

Now is a good time to hook up the RPI-Display ribbon:

And hook up the GPIO as follows:

• Red to 5v
• Green to SDA
• Yellow to SDL
• Black to Ground

Now mount the Raspberry Pi to the standoffs. Plug in the RPI-Display cable:

And wire the GPIO as follows:

• Red to 5v (Pin 2)
• Green to GPIO2 SDA (Pin 3)
• Yellow to GPIO3 SCL (Pin 5)
• Black to Ground (Pin 6)

###Power up and Install Software

Now you can power up the screen. If you have a good power supply, you can just put the power into the outlet on the display board and it will power both the Pi and the screen. Alternatively you can power both independently if needed.

You will need to install some software to get it running:

sudo apt-get update
sudo apt-get upgrade

To install the virtual keyboard:

sudo apt-get install matchbox-keyboard

You’re ready to go!

My Thoughts

Honestly I was a bit skeptical when ordering this thing. I was wondering how good the quality would be at $60. I was pleasantly surprised right away. Here are some of the features I noticed:

Sturdy and Strong - Just feeling it in your hands tells you the kind of quality it has. Does not feel like a cheap or flimsy screen. You can actually use this for stuff.

Picture Quality is amazing - The colors and clarity of this screen are great. It looks like a high quality tablet.

Responsive Touch - It has ten finger touch though I never pushed that limit, it’s definitely responsive and works great popping through windows. It’s also great for drawing things. It’s very reactive and great.

Overall I was very pleased with it, and I think it’s well worth the money. I plan on getting a few and doing some cool projects with it. Overall I would recommend getting one. You can get this touchscreen for $60 here.

Why not just get a tablet?

This was the question posed to me on Twitter and I’ve seen the comment elsewhere. And realistically this screen + a Raspberry Pi, Power Supply and Wifi Dongle and you’re looking at over $100. And the profile isn’t very thin plus you’d need an additional case to make it truly like a tablet. Considering you can pick up a cheap Android tablet for under $100, this doesn’t seem like the greatest replacement for a tablet.

I think the overall purpose of this goes beyond a tablet though. For one Raspian is far more powerful and advanced than Android, and arguably more hackable. I would see this as being great for:

Kiosks - Under $100 is a steal for POS interfaces and customer info Kiosks of all types.

In Dash Car Computer - You could control a sound system with your Pi, do GPS, engine monitoring etc.

Wall Mounted Awesomeness - Get the weather, latest news, control your thermostat, open garage door, etc.

The possibilities are endless here. I don’t think folks buying this will be looking for a tablet, the projects will likely be more complex than that. If you make a cool project shoot me an email or let me know in the comments!

Want to learn more about the Raspberry Pi? Check out the Raspberry Pi for Developers course!

Published: Oct 17, 2015 by Jeremy Morgan. Contact me before republishing this content.