dtmf keypad

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Summary of the "Fn" button function in different brand machines

Fn+home/end: Increase/decrease screen brightness Fn+pageup: Open the Thinklight light at the top of the screen fn+ Space: Reduce screen resolution (valid only on Windows) FN+SCRLK: Start the numeric keypad (on the letter/numeric keypad, respectively: m-0;j-1;k-2;l-3;u-4;i-5;o-6;7-7;8-8;9-9) fn+ Direction ↑ Key: Stop playing; fn+ direction → Key: next song; fn+ Direction ↓ key: Play/pause; fn+ Direc

Linux Driver Development-driver authoring based on device tree mechanism __linux

the kernel for their respective CPU platforms: 1.dts files are located in the kernel of arch/arm/boot/dts/$ (board). DTS, where $ (board) refers to the corresponding CPU platform, such as I. The DTS files for the Mx6ul platform are as follows: imx6ul/linux-3.14.38-v2$ vim Arch/arm/boot/dts/imx6ul-14x14-evk.dts (partial content) #include 2. According to their development needs to configure DTS files, this article matrix keyboard drivers used in the GPIO pin resources are: gpio2-2, gpio2-3,

Computer Trivia-use of shortcut keys

page panel (you can save all the contents of the current page) ctrl+tFunction: Tile all windows vertically Ctrl + VFunction: Pastes the contents of the current clipboard ctrl+wFunction: Close the current tab (window) ctrl+xFunction: Cut the current selection (typically only for text operations) Ctrl+yFunction: Redo just action (usually only for text operation) Ctrl + ZFunction: Undo just action (usually only for text operations) Ctrl+f4Function: Close the current tab (window) Ctrl+f5Function: R

Learn computer, you need to know the use of each key computer

of page opening Ctrl+f11 hide or show the menu bar Ctrl+tab a small menu to toggle the tab down (window) (triple tutorial with map) Ctrl+enter domain name automatically completed http://www.XXX.com (content can be changed, Maxthon options → address bar → general)/Another: When the input focus in the search bar, the Highlight keyword CTRL + Drag to save the address of the link or selected text or the specified picture into a folder (save the directory to change, Maxthon option →

"iOS Development Learning-Lesson three" Uitextfield use

automatically shrinks to fit the text window size. The default is to keep the original size and let long text scroll Textfied.adjustsfontsizetofitwidth = yes;//Set the minimum font size for automatic zoom out Text.minimumfontsize = 20;//Set the keyboard style text.keyboardtype = Uikeyboardtypenumberpad; typedef enum { Uikeyboardtypedefault, default keyboard, all characters supported uikeyboardtypeasciicapable, ASCII-enabled default keyboard Uikeyboardtypenumbersandpunctuation, st

Unity KeyCode each key value description

Moving it.———— Handling Split Line ——————The Keycode:keycode is returned by Event.keycode. These directly map to physical keys on the keyboard.Value corresponding keyBackspace backspace keyDelete Delete keyTab Tabtab KeyClear Clear KeyReturn EnterPause suspend keyEscape ESC KeySpace SPACEBARKeypad0 Numpad 0Keypad1 Numpad 1Keypad2 Numpad 2Keypad3 Numpad 3KEYPAD4 Numpad 4KEYPAD5 Numpad 5KEYPAD6 Numpad 6Keypad7 Numpad 7Keypad8 Numpad 8KEYPAD9 Numpad 9Keypadperiod

Win7 the keyboard mouse button to control the movement of the mouse

the mouse button to do some ancillary things, you can omit the above step (4). Note 2: When the mouse button is enabled, a mouse icon appears in the tray. 2, the mouse button to open and close Press the NumLock key to toggle. 3, the mouse button three kinds of state (1) Standard Click Status: Enable the mouse button after the system is in this state, at this time, all the operation with the left button, tray mouse icon left dark; (2) Right-click Status: Press the minus sign (-) on the num

Unity3d KeyCode each key value description

The Keycode:keycode is returned by Event.keycode. These directly map to physical keys on the keyboard.Http://docs.unity3d.com/ScriptReference/KeyCode.htmlHttp://blog.163.com/[email protected]/blog/static/11598384820131072391343/Value corresponding keyBackspace backspace keyDelete Delete keyTab Tabtab KeyClear Clear KeyReturn EnterPause suspend keyEscape ESC KeySpace SPACEBARKeypad0 Numpad 0Keypad1 Numpad 1Keypad2 Numpad 2Keypad3 Numpad 3KEYPAD4 Numpad 4KEYPAD5 Numpad 5KEYPAD6 Numpad 6Keypad7 Num

How to use computer shortcut keys

) Ctrl+x function: Cut the current selection (generally only for text operations) Ctrl+y function: Redo just action (usually only for text operation) CTRL + Z function: Undo just action (usually only for text operations) Ctrl+f4 function: Close the current tab (window) Ctrl+f5 function: Refresh the current page Ctrl+f6 function: Toggle the label (window) forward by the time order of the page opening ctrl+f11 function: Hide or Show menu bar Ctrl+tab function: Switch the label down (window

C # simple game plug-in (taking Warcraft III as an example)

years, war3 has set off a new upsurge in Dota in China. This article describes how to use C # To create game plug-ins by taking explicit blood and key-changing plug-ins in Dota games as an example. The final interface is as follows: In this example, two functions are available: explicit blood and changing the Q key to the 7 key of the keypad. Those who play war3 know that these two functions are very important to war3 (especially Dota. First,

C # Call Windows api c # create a simple game plug-in (using Warcraft III as an example)

), swept the world in the last year 67 s. In the last two years, war3 has set off a new upsurge in Dota in China. This article describes how to use C # To create game plug-ins by taking explicit blood and key-changing plug-ins in Dota games as an example. The final interface is as follows: In this example, two functions are available: explicit blood and changing the Q key to the 7 key of the keypad. Those who play war3 know that these two functions ar

Common shortcut keys Daquan

down (window) in small menu modeCTRL + Drag function: Save the link's address or selected text or the specified picture into a folder (save directory can be changed, Maxthon option → Save)CTRL + Keypad ' + ' feature: current page magnification 20%CTRL + Numpad '-' feature: Current page reduced by 20%CTRL + KEYPAD ' * ' function: Restores the current page's zoom to its original sizeCtrl+alt+s function: Auto

Special Characters for the Web: ISO 8859-1

Document directory Short Table With the Most Useful Characters The Complete List of Special Characters Inserting Symbols in Windows Character Codes for the Numeric Keypad You may often need special characters that are not on your keyboard. To create these, you use codes. There are two systems: Code and Entity. entity is easier to use. just remember that you place an ampersand first, the abbreviation for the character (such as "amp" for ampersa

Analysis of the reason and solution of Win8 small keyboard light

I believe a lot of users installed win8.1 system found that every time the computer boot keypad lights are not lit, resulting in the inability to use the keypad, you need to manually press NUM LOCK key to open the numeric keypad input. Although, the problem is not big, but every time to repeat this kind of action feel very annoying. Is there any way to solve the

Analysis of onkeypress Events and Onkeydownonkeyup events

is consistent with the corresponding value of the ASCII code ' a ' to ' Z ', and the 0-key to 9-key is consistent with the corresponding value of the ASCII code ' 0 ' to ' 9 '.96~111 represents the key on the numeric keypad.Although most keyboards have 12 function keys, Windows only requires 10, while bit flags have 24.Decimal 16 Virtual Key IBM compatible keyboard1 Vk_lbutton Mouse left button2 Vk_rbutton Mouse Right button3 Vk_cancel Ctrl-break4 Vk_mbutton Mouse middle button8 Vk_back Backspa

Disruptive Windows platform Resource Manager for quick file management-lightning life

, the current page number and total page number are displayed above. After finding the file, you need to rely on the keyboard's number key. 10 corresponding numbers 0-9 are displayed on each page. If the folder you want is in the 1th digit, press 1 on the keypad to enter the folder. If the file you want to open is in the second place, press 2 on the keyboard to open the file. Mouse clicks and movements are not required! After entering the folder,

Key values for unity: keycode

Value corresponding keyBackspace backspace keyDelete Delete keyTab Tabtab KeyClear Clear KeyReturn EnterPause suspend keyEscape ESC KeySpace SPACEBARKeypad0 Numpad 0Keypad1 Numpad 1Keypad2 Numpad 2Keypad3 Numpad 3KEYPAD4 Numpad 4KEYPAD5 Numpad 5KEYPAD6 Numpad 6Keypad7 Numpad 7Keypad8 Numpad 8KEYPAD9 Numpad 9Keypadperiod keypad "."Keypaddivide keypad "/"keypadmultiply Ke

Unity Monitor Keyboard keys

Put it inside the update. if (Input.anykeydown) { foreach in Enum.getvalues (typeof(keycode))) { if (Input.getkeydown (keycode)) { debug.logerror (" " + keycode.tostring ()); }}}Return output corresponding key value===============================================The Keycode:keycode is returned by Event.keycode. These directly map to physical keys on the keyboard.Value corresponding keyBackspace backspa

To turn on the Win7 keyboard mouse button

the mouse button to do some ancillary things, you can omit the above step (4). Note 2: When the mouse button is enabled, a mouse icon appears in the tray. 2, the mouse button to open and close Press the NumLock key to toggle. 3, the mouse button three kinds of state (1) Standard Click Status: Enable the mouse button after the system is in this state, at this time, all the operation with the left button, tray mouse icon left dark; (2) Right-click Status: Press the minus sign (-) on the num

How to open the keyboard mouse button under the Win7 to control mouse movement with keyboard?

with the left button, tray mouse icon left dark; (2) Right-click Status: Press the minus sign (-) on the numeric keypad to enter the state, at which point all the actions are related to the right key, and the mouse icon in the tray is darkened. (3) At the same time press the key state: by the number of stars on the keyboard (*) into the state, at this time all the operation is in the left and right two keys at the same time under the state, the tra

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