Questions tagged [keyboard]

A text input device. Utilize this tag to ask programming questions regarding reading input from it or blinking the lights, etc.

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267 views

Is Teensy compatible with the Arduino keyboard library?

I am thinking about buying some Teensy micro-controllers, but I want to know if the teensy are compatible with the arduino keyboard library.
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3answers
896 views

16 by 8 Keyboard matrix

I am working on a project, trying to construct an 80 button keypad. My problem is how to multiplex it so that i only feed the arduino with two sets of BCD or binary(whichever is easier) which are ...
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150 views

Atmel studio 7 with Arduino Uno: Just upgraded to Atmel studio 7 and my target platform is the Arduino Uno

Atmel studio 7 with Arduino Uno: Just upgraded to Atmel studio 7 and my target platform is the Arduino Uno. I can't get past the start procedure: Firstly on starting up I get Sequence contains no ...
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1answer
690 views

sending ctrl-z in a struct?

I have a set of buttons wired to an arduino leonardo that are meant to send either single keystrokes to a computer "a, b, c..." etc, or a key sequence like ctrl+z (to perform an undo command.) ...
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2answers
796 views

How to send volume +/- on Mac/OSX from Leonardo

I saw this answer but I can't find the analog for Mac. I've tried cycling thru keycodes from 0x01 thru maybe 0x500, and I went thru ascii a few times, also found brightness up/down, and F11, F12, but ...
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1answer
750 views

Arduino keypad matrix example? ( teensyduino )

I'm a beginner using Arduino with a Teensy 3.2 board and programming it as a usb keyboard. I have two 4 button membrane switches. Their button contacts are on pins 1-8, and the 9th pin holds a ...
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1answer
1k views

Uno as a composite USB HID keyboard

I'm looking to create a USB device that would be basically a HID keyboard. I am able to do that with Uno. I flash new firmware with a HID keyboard descriptor and on the arduino side I loop and check ...
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2answers
226 views

Using C# Program to Interpret Keystrokes

I am in the process of developing an Arduino application that can read keystrokes from a PS/2 keyboard. I was wondering if it would be possible to upload a C# program onto the Arduino to interpret the ...
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1answer
4k views

Can't get Arduino Leonardo working as a USB keyboard in Windows 7

I can't believe I am stumped by this, but this is my issue and I can't see any other solution for this anywhere. I have an official Arduino Leonardo loaded up with the following code: void setup() { ...
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2answers
737 views

How to send keyboard signals to two separate computers (arduino due)

The arduino due has 2 micro-usb ports that you can connect to two separate computers. I need to send different keyboard signals to each computer. How would I do this?
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1answer
8k views

How to input keyboard commands using Arduino Mega 2560? [duplicate]

I have an Arduino Mega 2560 connected to a Windows 8 laptop. I want to program it to send keystrokes to the attached computer (when a pin's digital read goes from HIGH to LOW.) The trouble is, I ...
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4answers
9k views

How to tell Arduino Uno that I pressed or released a key on PC keyboard over serial?

I want to implement a simple musical keyboard with Arduino using tone() and noTone() functions, etc. The desired behavior is: While PC and Arduino are connected via USB/Serial... ...when I press a ...
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1answer
1k views

Using Arduino To Control Boot Sequence of PC

I want to know if it is possible to use an arduino to tell a pc which os to boot to. I know It is possible to turn on the pc by wiring it to the motherboard pins with the power switch, and I know the ...
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0answers
847 views

Linear equation solver Arduino Calculator, printing wrong answer [closed]

I wrote a code in C to solve equations, but I don't know why some equations that I input into this calculator, give me wrong values, the algorithm is correct because I execute it in C and give me the ...
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0answers
1k views

EB - 4x4 Soft Keypad Driver Diagram from Makerstudio needed

I have found this interesting device wile looking for a cheap Arduino. It's a "driver" that converts a 4x4 Keyboard 8-PIN (8-IO) to a 4-Pin (2-IO) Device I would like to know if is Achieved by a ...
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665 views

Feedback Request: HID USB to Bluetooth Relay

Bluetooth Relay Project: Develop a USB to bluetooth adapter for my mechanical keyboard. Using a USB host shield, have an Arduino Pro Mini read keyboard usb commands and repeat them over bluetooth. ...

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