Questions tagged [keypad]
218 questions
-2
votes
3 answers
How to convert an array of integer digits into an integer value?
I have a keypad that I use to enter digits into a microcontroller (atmega32 avr). The user will be able to enter 1, 2 or 3 digits, because I defined the input range will be [0-999]. Each of those digits will be stored in a position of an array of…
Aashkanpasha
- 39
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- 7
-2
votes
1 answer
Need a Gui Keypad for a touchscreen that outputs a pin when code is correct
I have a raspberry pi with a touchscreen running raspbian, I'm hoping to have a Gui on the touchscreen that had a number keypad that when a correct input is entered a pin will output to a door latch or something. I have been over to make a Gui with…
RedstoneMaina
- 27
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- 8
-2
votes
1 answer
How to interface a simple keypad with the computer and mobile using PYTHON?
The problem is that i want to interface my mobile phone with my computer using a keypad in between. The interfacing should be done in Python environment as this would help me in my further work.
the things which i need is
inteface my computer…
rohit
- 35
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-2
votes
1 answer
How to remove virtual keypad from games/ apps
I have an galaxy smart s6830 touch Chinese Mobile (240x320) (myriad java platform) (esmertec jbed) and I need to remove keypad from apps . I have put the following into the jar file but, unfortunately, it doesn't work:
LGE-MIDlet-Height:…
user3461636
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-3
votes
3 answers
How to convert telephone pad numbers to letters
I'm trying to write code that simulates writing a text message using a multi-tap telephone keypad in Ruby. This is the telephone keypad:
1 2 3
ABC DEF
4 5 6
GHI JKL MNO
7 8 9
PQRS TUV WXYZ
0
…
gmonteiro13
- 15
- 2
-3
votes
2 answers
Keypad 4x4 in Arduino
Can anyone explain to me what is the meaning of this code :
byte rowPins[numRows] = {9, 8, 7, 6}; //Rows 0 to 3
byte colPins[numCols]= {5, 4, 3, 2}; //Columns 0 to 3
How do they get the number of {9, 8, 7, 6} and {5, 4, 3, 2}. Here is the full…
Anthony Lauly
- 319
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- 17
-4
votes
1 answer
Pass elements of global variable array from keypad in Arduino
Currently elements of array a1[2] are initialised in code but I want to pass this element of global variable array a1[2] from keypad as v1.
Here is my code:
#include "Keypad.h"
#include
unsigned int a1[2]={1,10}; //global…
sputnik20
- 1
- 1
-7
votes
1 answer
How to get values and save them to use later on Arduino?
I want to create a list who contains a number undefined of reference composed of 8 numbers:
Example:
28546455
95685615
55925555
59295525
etc.......
These number can be entered via a keypad.
Each reference contains 2…
Sef13
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