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Forum Index : Microcontroller and PC projects : Best Display and User Input Solution
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retepsnikrep Senior Member  Joined: 31/12/2007 Location: United KingdomPosts: 131 |
This forum is great for new ideas and ways of implementing video/keys/sensing etc for projects. But what in the members view is the best solution for a car based project requiring a screen and keypad or touchscreen interface that can be controlled by a MM Now we have had lots of e-bay micro tft's that look like phone rejects. Also the ASCII VT1100 Terminal which is good but needs a screen and the buttons/keys. We have a multitude of 20x4 lcd and button solutions. But what about for a more long lived professional looking dash mounted project requiring a decent case, with parts that aren't e-bay surplus that won't become impossible obtain in a few months. What would people use and why? Grateful for any ideas. Gen1 Honda Insights. |
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| cwilt Senior Member Joined: 20/03/2012 Location: United StatesPosts: 147 |
How large of a display do you need? |
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| twofingers Guru  Joined: 02/06/2014 Location: GermanyPosts: 1139 |
and we have the TFT-Maximite  |
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MicroBlocks Guru Joined: 12/05/2012 Location: ThailandPosts: 2209 |
If it is in use while driving you need physical buttons. A Touchscreen is very difficult or impossible to use while driving. What kind of functionality are you thinking of. There are lots of screens and buttons that will be available for years. Just don't use eBay. Microblocks. Build with logic. |
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| retepsnikrep Senior Member Joined: 31/12/2007 Location: United KingdomPosts: 131 |
Buttons. Up down left right select etc Screen capable of ten lines of text x 30-40 chr long. Care to give some links to screens you would consider?  Gen1 Honda Insights. |
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| JohnS Guru Joined: 18/11/2011 Location: United KingdomPosts: 3677 |
A touchscreen should be OK but you need to avoid some modern GUI things such as swipes. Various cars have touchscreens and they're easy enough to use when driving. They do indeed avoid gestures etc. John |
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Grogster Admin Group  Joined: 31/12/2012 Location: New ZealandPosts: 9078 |
Link does not work for me. 
I think there is a rouge dot there at the start of the URL..... This one should work. Smoke makes things work. When the smoke gets out, it stops! |
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| JohnS Guru Joined: 18/11/2011 Location: United KingdomPosts: 3677 |
I should add... For use in a car the big issue is that looking at a device or paying it any kind of attention is very dangerous. As I'm sure everyone knows it's people failing to concentrate on the road that causes accidents. The UK ignored evidence that hands-free mobile phones were as dangerous as held ones and frankly has made a complete mess of its road safety. Whatever the intended usage please don't add to accidents! John |
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| twofingers Guru Joined: 02/06/2014 Location: GermanyPosts: 1139 |
@Grogster THX! |
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| MicroBlocks Guru Joined: 12/05/2012 Location: ThailandPosts: 2209 |
On top of that you would be held accountable in many countries. When used while driving interaction should me the absolute minimal. Reading is too distracting. One two words combined with color is ok. A short glance should be enough. 10 lines of text would only be allowed while parked. Microblocks. Build with logic. |
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| Grogster Admin Group Joined: 31/12/2012 Location: New ZealandPosts: 9078 |
@ twofingers: Bitte schön. (you are welcome) I would have to also agree with the consensus of use in a car. Here in New Zealand, we have seen a huge amount of crashes involving foreign drivers lack of attention to the different road system here. Failing to give way, lack of understanding of our road rules, failing to keep left, driving long distances on the right(till they hit someone coming the other way) - it's not good, to say nothing of putting some gadget in front of them(or anyone, for that matter), which could result in...... .....an unfortunate incident. 
Take the horrific crashes that can be caused by someone who is texting on their cellphone while driving - an insanely stupid thing to do, but you'd be surprised how many people do it. It is illegal here in NZ to text while driving, but the scary thing is that we had to introduce a law to say as much - you'd think you shouldn't need to be told that, eh? (rhetorical) Smoke makes things work. When the smoke gets out, it stops! |
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| retepsnikrep Senior Member Joined: 31/12/2007 Location: United KingdomPosts: 131 |
OK 10 lines of text was a number plucked out of the air. Lets make it a 20x4 lcd type display with buttons etc which is no different to your car stereo type display. It's actually quite lawful to have a screen on view (in the UK anyway) which gives you information about the vehicle, which is my intended use. It's not an entertainment device. It's like Torque / Scangauge or similar OBD devices. This sprang to mind. https://www.crystalfontz.com/product/CFA635YYEKL#datasheets Quite expensive but compact and well speced. Gen1 Honda Insights. |
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| MicroBlocks Guru Joined: 12/05/2012 Location: ThailandPosts: 2209 |
We use them all the time. The crystalfontz screen last a long time. Their pricing is absurd though. Like for a standard 2x16 display: [code] quantity/price 1 10 20 50 100 200 500 1000 $22.96 $11.82 $9.82 $8.10 $7.12 $6.36 $5.50 $5.00 [/code] We were lucky we had a large order so we could get the 1000 piece price. And then they are still more expensive then their competitors for single pieces. But the quality and now proven MTBF is great. Microblocks. Build with logic. |
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