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OP on Rasp Pi 3 and Touch Sensitive Monitor
#1
I have OP working on my Raspberry Pi, Wireless Keyboard + Mouse via a USB Wireless Dongle, HDMI output to a 12V LED LCD 22" TV. Superb display quality. However on my boat, i'd like to replace the TV with a similar size Touch Sensitive Monitor. Most I've seen have a HDMI I/P and USB. I guess that this is more of a Raspberry Pi question but will any Touch Sensitive/HDMI Monitor work which my system?



Many thanks



Steve
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#2
The HDMI monitor part should work out of the box with any screen. The tricky part is the Touchscreen. You need to find a touchscreen that has drivers for Raspberry. Also, most of those that do support RPi over USB are single touch only, but since you do have a wireless mouse, once you have everything set up properly, for normal use during sailing you shouldn't need right click anyway but for a few occasions in OpenCPN (e.g. editing Dashboards). The only multitouch LCD touchscreen I know of is the official 7" 800x600 Touchscreen LCD from the Raspberry Foundation (somewhat multitouch, in that you can assign right click to two finger touch) and that one connects via the ribbon cable directly to the RPi board.

I have ordered this one myself: https://www.aliexpress.com/item/7-inch-R....71.SBqF3J but I plan to mount it on a dashboard at the helm station (I have a center-cockpit sailboat with pilothouse, so this is the best place to mount mine). A 10" model by the same manufacturer is this: https://www.aliexpress.com/item/RPi-Disp...b9b3&tpp=1.

For a 10" monitor with proper case and base you can also check this one out http://www.lilliputuk.com/monitors/hdmi/fa1012/ (apparently it works on RPi: https://www.youtube.com/watch?v=dXCiMtwKuRs)

Once I receive mine I will let you know if it is worth buying or not Smile
[Edit: Yikes!!! I just saw the price on the Lilliput screen, 239.00€!!!!!! - that is crazy! If you really need a bigger screen, this one (http://www.chalk-elec.com/?page_id=1280#...ry=3094861, https://www.youtube.com/watch?v=eSKmG1VFA4w - 14" 1366x768) seems like a better deal - even without a casing
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#3
Many thanks for all the information.

It's actually not for me but someone who is coming to the end of a massive re-fit of his 65ft Van De Stat 65ft Ketch. He has loads of early single colour LCD Instruments and Nav gear but due to being involved in an explosion some years ago has poor eyesight. He's seen OP working on my 22" Colour screen and is very impressed. A 7" or 10" is not big enough and if need be will go without a touch sensitive screen or upgrade later. This is what I was hoping to use as the price is OK:  

http://www.novatech.co.uk/products/monit...31hpb.html

The yacht is being dropped back into the water at the end of the month and can't stay at the marina as the water is not deep enough apart from on a "Spring Tide"!  What ever I can sort him out with will have to be OK until he arrives in Greece.

Thanks again

Steve/G4MJW
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#4
Whatever you choose, you will need to research the make and model of the touchscreen itself and see if there are any drivers available, at least for generic debian, if not specifically for raspbian. Furthermore, if you do find a driver that is not added to raspbian already, you may need to recompile the kernel to add support for it. Good hunting Smile

[Edit:] looks like the Hanspree may work out of the box, see here: https://www.raspberrypi.org/forums/viewt...46&t=80821
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#5
(2016-09-12, 10:48 PM)atsakir Wrote: Whatever you choose, you will need to research the make and model of the touchscreen itself and see if there are any drivers available, at least for generic debian, if not specifically for raspbian. Furthermore, if you do find a driver that is not added to raspbian already, you may need to recompile the kernel to add support for it. Good hunting Smile

[Edit:] looks like the Hanspree may work out of the box, see here: https://www.raspberrypi.org/forums/viewt...46&t=80821

I've got a Hannspree HT231 Touch Screen LED LCD Monitor and even the Touch Screen although Restricted, works straight out of the box! The calibration is pin-point at the centre of the screen but 1/4" out at the edges. OpenCPN looks really grand on this monitor. Withe just an external mouse, it is acceptable. I have other things on at the moment but hope that in the future I can perfect it by the time I install it on my Bat.

Steve
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