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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788 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
855 views

Arduino sending keystrokes via push-buttons. Proper bouncing and manually setting buttons?

I have a simple set of 8 push buttons wired to a Teensy 3.2 board (which uses Arduino via Teensyduino plugin). The 8 buttons are on pins 1-8 and their common ground line (one line soldered to each of ...
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1answer
744 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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2answers
2k views

Keyboard.print() skips keys

I'm playing with the Arduino Leonardo Keyboard.print() command, but I'm facing a annoying problem: When I print a double quote, it will not appear and also will make to disappear the next character (...
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1answer
808 views

Keyboard emulation

I am interested in development of a small box that will have the following functionality: Will connect via USB to a keyboard Will contain a keyboard emulator to allow transfer of keystrokes to a host ...
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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
728 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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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
127 views

YUN as BT keyboard

Sort of a follow up to Yun as bluetooth master, but this is to get the yun to act as a slave device. Specifically, I want it to be a BT keyboard. I could probably do it on my own, but I need to find ...
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0answers
843 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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0answers
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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4answers
8k 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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3answers
4k views

How can I use a BlueSMIRF Silver (RN-42) as a HID Keyboard (on IOS)?

I've got a BlueSMIRF Silver (RN-42) Bluetooth module. I am trying to create a basic keyboard I can play with on an iPad Air. At the moment barely manage to get the module to pair with OSX but only ...
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4answers
12k views

Send Keyboard Media Keys with Keyboard Library

I have an Arduino Pro Micro (ATMega32u4) that I want to use as an IR receiver for a media PC and need to send codes like Volume Up, Media Home, Play, etc. But when I look up the scan codes for those ...

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