Touch Screen

R

RustyH

Senior Member
Good Morning,

I was wondering if I could get some help.

I want to start a new project that uses a touch screen numeric pad to enter a stored code (that can be changed by the user) to activate some electronics.

Would a picaxe be cable of doing this?

Is so, are there any recommendation on a suitable touch screen touch pad? Only need to be 4 digits to be fair, but I guess standard off the shelf would be a full 0-9 pad.

Many thanks in advance.
Russ
 
It actually depends on the hardware you are going to use for the touch input. Do you have a specific touch screen in mind that you will be using?
 
Hi Steliosm,

Thank you for your reply. I've not picked a touch screen yet, so I would definitely welcome some recommendations. It doesn't need to be fancy or anything like colour. Just a simple one colour LCD would do. Infact, even a back lit inductive keypad might be nice and simple and keeping with a flush design.

Many thanks

Russ
 
I used an old smartphone and a bluetooth receiver. Look at this thread especially post 8 & 10 by Inglewood Pete..

W

Post in thread 'Are there any Apps to turn an Android smart phone into a Picaxe controller?'

AllyCat said:
Hi,

AFAIK it does only work (directly) with bytes, so if you specify a word it will only send the low 8 bits

Cheers, Alan.
Click to expand...

Well, I tried this to try it out and it worked!

Code: 
Set_LensNearLimit:
stepperposition_val = 34560
HSEROUT 0, ("Focus Minimum Permissible set OK ", #stepperposition_val)
GOTO Main
 
You could look at the nextion range of displays create your own lay outs and comunicate with serial to the pickaxe
 
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