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by 9acca9
Mon Sep 09, 2019 7:06 pm
Forum: General discussion
Topic: From where this equations?
Replies: 6
Views: 312

From where this equations?

Hi all.
I just want to know from where he got this equations? (exact)
This:

Code: Select all

90   w=sq+1 # different numbering system
91   x =int((w-1)/3)+1   # anodes numbers starts 1
92   y =  (2+w)%3   # cathodes number start 0
https://github.com/mdobres/maxnox/blob/master/maxnox.py


thanks all!
by 9acca9
Mon Sep 09, 2019 2:07 pm
Forum: General discussion
Topic: Menu display lcd
Replies: 1
Views: 85

Menu display lcd

Hi all.
I want to make a menu for a display lcd 20x4 (2004a with backpack pcf8574t), and interact that with buttons (attached to a MCP23017).
Can somebody guide me a little?
Somebody know some library??

(i can display strings in the display but dont know how to do a menu).

Thanks.
by 9acca9
Mon Sep 02, 2019 9:11 pm
Forum: Python
Topic: Is this right? (accomodating a code)
Replies: 3
Views: 185

Re: Is this right? (accomodating a code)

Hi, thanks!
This is the code that give me problems, because i dont have the "sainsmart LCD Display with buttons"..... buttons, thats my problem. And i want to attach them in the best way to not change the original code.
This : https://github.com/mdobres/maxnox/blob/master/maxnox.py
by 9acca9
Sun Sep 01, 2019 11:21 pm
Forum: Python
Topic: Is this right? (accomodating a code)
Replies: 3
Views: 185

Is this right? (accomodating a code)

Hi. Im trying to acommodate a code. The problem is that a code creator use a lcd display with buttons, and i dont have that. So, im gonna use a mcp23017 to attach the buttons (i prefer this instead of use the gpio of the raspberry). This, for example is part of the problem # Make list of button valu...
by 9acca9
Sat Aug 31, 2019 3:34 am
Forum: Python
Topic: Change functions for menus
Replies: 0
Views: 103

Change functions for menus

Hi all. Im trying to do this With this project the creator use a sainsmart lcd display with buttons. I dont have this, so i use another lcd 2004a (with backpack pcf8547t). I change the code for my lcd, and that works... but... i need change the functions about the buttons. Somebody can give me a han...
by 9acca9
Fri Aug 30, 2019 9:28 pm
Forum: Español
Topic: Mcp23017 modificar código
Replies: 0
Views: 86

Mcp23017 modificar código

Buenas a todos. Estoy intentanto realizar este proyecto para luego meterme en uno más grande (que es el de hacer el del tablero de ajedrez). http://chess.fortherapy.co.uk/home/beginners-start-here/raspberry-pi-naughts-crosses-tic-tac-toe/ https://github.com/mdobres/maxnox Pues bien, para hacer el ta...
by 9acca9
Fri Aug 30, 2019 3:44 am
Forum: Other projects
Topic: Change lcd display from a project.
Replies: 0
Views: 88

Change lcd display from a project.

HI to all. Im trying to do this: http://chess.fortherapy.co.uk/home/beginners-start-here/raspberry-pi-naughts-crosses-tic-tac-toe/ In that project the creator use "Sain Smart I2C IIC LED Screen + Keypad", i dont have that component, but i have this kind of lcd: This is my display datasheet (2004a): ...
by 9acca9
Tue Jun 12, 2018 7:52 pm
Forum: General discussion
Topic: Released button.
Replies: 4
Views: 391

Released button.

Hi.Could someone pass me a code to print "Button released" ??? The truth is that I was testing several codes and I can not find the correct one. In other words, the message "Button released" appears when a button that is always closed is released. Greetings and many thanks this is my button. https:/...
by 9acca9
Mon May 08, 2017 4:49 pm
Forum: General discussion
Topic: Rpi3 bluetooth interference?
Replies: 2
Views: 596

Re: Rpi3 bluetooth interference?

ouch....... so bad..... mmmmmmmm...... My idea is have Osmc and Recalbox on the rpi... i can makeit a repeater too?? (actually the router that have interference it is a repeater). Can i replace the router for the rpi3 and use it too Osmc, Recalbox and allways repeater? (I suppose he himself will not...
by 9acca9
Mon May 08, 2017 4:35 pm
Forum: General discussion
Topic: Rpi3 bluetooth interference?
Replies: 2
Views: 596

Rpi3 bluetooth interference?

Hi. Actually i have a rpi2 with a bluetooth dongle. I have the rpi2 near the wifi router (i needit in that place, cant move). So... my bluetooth its interfere with the router wifi. My question is: the rpi3 (with bluetooht built-in) will interfere too? or this happend because my bluetooth dongle its ...
by 9acca9
Sun May 07, 2017 6:20 pm
Forum: General discussion
Topic: Make a bluetooth from laptop work with rpi2
Replies: 1
Views: 398

Make a bluetooth from laptop work with rpi2

Hi. I want to know if it's possible connect a bluetooth from a laptop with a rpi2. I see this http://www.instructables.com/id/Rescue-a-Bluetooth-from-laptop/ Where somebody take a bluetooth adapter and uses like a USB. But i want to know if it's possible conect that kind of adapter in to gpio or.......
by 9acca9
Sun Sep 18, 2016 11:24 pm
Forum: Android
Topic: Chromecast Android Games??
Replies: 1
Views: 1015

Chromecast Android Games??

Hi, i want to know if there is some software to play games of the android phone on raspberry pi, trough "chromecast" or something.............
Thanks!!!!!
Sorry for my english :-)

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