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• Firmware is done, is simple but effective

  bobricius • 08/13/2018 at 21:44 • 0 comments

  Keyboard have 4 layouts switchable with FN button.

  • lowercase letters
  • uppercase letters
  • CTRL + lowercase letter
  • CAPS LOCK

  of course tweaking is unlimited, you can make own layouts

  LAYOUT	LEDs	Letters
  1 - lowercase	A - OFF FN - OFF	ESC, numbers, arrows, Backspace
  2- uppercase	A - ON FN - OFF	TAB, symbols, Delete Arrows: UP - Page UP DOWN - Page Down LEFT - Home RIGHT - End After any button press go back to Layout 1
  3- CTRL	A - OFF FN - ON	Letter = CTRL + Letter Numbers = F1 to F10 Return = SHIFT + Return After any button press go back to Layout 1
  4- CAPS LOCK	A - ON FN - ON	Same as mode 2 After any button press stay in Layout 4

  #include <Keypad.h>
  #include "Keyboard.h"
  const byte ROWS = 7; //four rows
  const byte COLS = 8; //four columns
  byte rowPins[ROWS] = {15, 18, 16, 19, 28, 31, 30}; //connect to the row pinouts of the keypad
  byte colPins[COLS] = {3, 4, 5, 6, 7, 8, 9, 14}; //connect to the column pinouts of the keypad
  //define the cymbols on the buttons of the keypads
  char directKeys[ROWS][COLS] = {
    {'`', '1', '2', '3', '4', '5', '6', 1},
    {KEY_ESC, 'q', 'w', 'e', 'r', 't', 'y', ';'},
    {'[', 'a', 's', 'd', 'f', 'g', 'h', 39}, //39 is '
    {']', 'z', 'x', 'c', 'v', 'b', 'n', '-'},
    {'7', '8', '9', '0', KEY_DOWN_ARROW, KEY_RIGHT_ARROW, KEY_LEFT_ARROW, KEY_UP_ARROW},
    {'u', 'i', 'o', 'p', '.', '/', ' ', '='},
    {'j', 'k', 'l', KEY_BACKSPACE, 'm', 92, KEY_RETURN, ','}
  };
  char shiftKeys[ROWS][COLS] = {
    {'~', '!', '@', '#', '$', '%', '^', 1},
    {KEY_TAB, 'Q', 'W', 'E', 'R', 'T', 'Y', ';'},
    {'{', 'A', 'S', 'D', 'F', 'G', 'H', 34}, //34 is "
    {'}', 'Z', 'X', 'C', 'V', 'B', 'N', '_'},
    {'&', '*', '(', ')', KEY_PAGE_DOWN, KEY_END, KEY_HOME, KEY_PAGE_UP},
    {'U', 'I', 'O', 'P', '>', '?', ' ', '+'},
    {'J', 'K', 'L', KEY_DELETE, 'M', 92, KEY_RETURN, ','}
  };
  char fnKeys[ROWS][COLS] = {
    {'`', KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, 1},
    {KEY_ESC, 'q', 'w', 'e', 'r', 't', 'y', ';'},
    {'[', 'a', 's', 'd', 'f', 'g', 'h', 39}, //39 is '
    {']', 'z', 'x', 'c', 'v', 'b', 'n', '-'},
    {KEY_F7, KEY_F8, KEY_F9, KEY_F10, KEY_DOWN_ARROW, KEY_RIGHT_ARROW, KEY_LEFT_ARROW, KEY_UP_ARROW},
    {'u', 'i', 'o', 'p', '.', '/', ' ', '='},
    {'j', 'k', 'l', KEY_BACKSPACE, 'm', 92, KEY_RETURN, ','}
  };
  char capsKeys[ROWS][COLS] = {
    {'`', '1', '2', '3', '4', '5', '6', 1},
    {KEY_ESC, 'Q', 'W', 'E', 'R', 'T', 'Y', ';'},
    {'[', 'A', 'S', 'D', 'F', 'G', 'H', 39}, //39 is '
    {']', 'Z', 'X', 'C', 'V', 'B', 'N', '-'},
    {'7', '8', '9', '0', KEY_DOWN_ARROW, KEY_RIGHT_ARROW, KEY_LEFT_ARROW, KEY_UP_ARROW},
    {'U', 'I', 'O', 'P', '.', '/', ' ', '='},
    {'J', 'K', 'L', KEY_BACKSPACE, 'M', 92, KEY_INSERT, ','}
  };
  
  // Create 3 new key layouts
  Keypad directLayout( makeKeymap(directKeys), rowPins, colPins, sizeof(rowPins), sizeof(colPins) );
  Keypad shiftLayout( makeKeymap(shiftKeys), rowPins, colPins, sizeof(rowPins), sizeof(colPins) );
  Keypad fnLayout( makeKeymap(fnKeys), rowPins, colPins, sizeof(rowPins), sizeof(colPins) );
  Keypad capsLayout( makeKeymap(capsKeys), rowPins, colPins, sizeof(rowPins), sizeof(colPins) );
  byte Layout = 0;
  char Key = 0;
  #define ledaA 27
  #define ledFn 17
  void setup() {
    Keyboard.begin();
    pinMode(ledaA, OUTPUT);
    pinMode(ledFn, OUTPUT);
    digitalWrite(ledaA, LOW);
    digitalWrite(ledFn, LOW);
    directLayout.begin( makeKeymap(directKeys) );
    shiftLayout.begin( makeKeymap(shiftKeys) );
    fnLayout.begin( makeKeymap(fnKeys) );
    capsLayout.begin( makeKeymap(capsKeys) );
  }
  
  void loop() {
    switch (Layout) {
      case 0:
        digitalWrite(ledaA, LOW);
        digitalWrite(ledFn, LOW);
        Key = directLayout.getKey();
        break;
  
      case 1:
        digitalWrite(ledaA, HIGH);
        digitalWrite(ledFn, LOW);
        Key = shiftLayout.getKey();
        if (Key >= 2) {
          Layout = 0;
        }
        break;
  
      case 2:
        digitalWrite(ledaA, LOW);
        digitalWrite(ledFn, HIGH);
        Key = fnLayout.getKey();
        if (Key >= 2) {
          Layout = 0; //
        }
        if (Key == KEY_RETURN)
        {
          Keyboard.press(KEY_LEFT_SHIFT);
        }
        if ((Key >= 'a') && (Key <= 'z'))
        {
          Keyboard.press(KEY_LEFT_CTRL);
        }
        break;
  
      case 3:
        digitalWrite(ledaA, HIGH);
        digitalWrite(ledFn, HIGH);
   Key = capsLayout.getKey();
  ...

  Read more »

• firmware is unbelievable simple

  bobricius • 06/19/2018 at 18:51 • 4 comments

  Half of firmware working, I need write Shift / FN support. , is incredibly simple.

  I regret that I used such a powerful processor.

  Sketch uses 11808 bytes (4%) of program storage space. Maximum is 253952 bytes.

  #include <Keypad.h>
  #include "Keyboard.h"
  const byte ROWS = 7; //four rows
  const byte COLS = 8; //four columns
  char Keys[ROWS][COLS] = {
    {'`','1','2','3','4','5','6','X'},
    {KEY_ESC,'q','w','e','r','t','y',';'},
    {'[','a','s','d','f','g','h','*'},
    {']','z','x','c','v','b','n','-'},
    {'7','8','9','0',KEY_DOWN_ARROW,KEY_RIGHT_ARROW,KEY_LEFT_ARROW,KEY_UP_ARROW},
    {'u','i','o','p','.','/',' ','='},
    {'j','k','l',KEY_BACKSPACE,'m',92,KEY_RETURN,','}
  };
  byte rowPins[ROWS] = {15, 18, 16, 19,28,31,30}; 
  byte colPins[COLS] = {3, 4, 5, 6,7,8,9,14}; 
  Keypad customKeypad = Keypad( makeKeymap(Keys), rowPins, colPins, ROWS, COLS); 
  void setup(){
    Keyboard.begin();
  }
  void loop(){
    char customKey = customKeypad.getKey();
    if (customKey){
    Keyboard.press(customKey);
    delay(100);
    Keyboard.releaseAll();
    }
  }

• First quick preview​

  bobricius • 06/18/2018 at 11:37 • 3 comments

  You can adjust button height with spacers between boards. Of course you can use any button sizes an colors,
  this button height is hard explainable (etc. my distributor have only this height with 1N switch force) but on real device is very interesting, of course in any height nobody can say that keyboard is comfortable. but 1N force version is very soft and easy to press.

  One bad is, every color have different switching force.

  Please understand this is only technology preview no new fashion line and all keyboard is only for short writing.

• Boards in fab ...

  bobricius • 05/23/2018 at 21:19 • 0 comments

  I am just ordered boards ... blue soldermask, in future all colors :D

• Front board

  bobricius • 05/22/2018 at 08:05 • 2 comments

• new layout

  bobricius • 05/21/2018 at 08:28 • 0 comments

• Keyboard 56 buttons

  bobricius • 05/21/2018 at 06:52 • 0 comments

  better layout more buttons and always in good dimensions :)

  7.4874 sq in (3.9150in x 1.9125in) / 4830.57 sq/mm (99.44mm x 48.58mm)
  

• LCD ...

  bobricius • 05/20/2018 at 20:28 • 0 comments

  I started new project based on this keyboard

  https://hackaday.io/project/158479-pocket-computer-terminal
  

• 2 constructions possibilities

  bobricius • 05/19/2018 at 20:55 • 0 comments

  - 2 layers bottom with buttons and top layer with nice silk (exactly like old Russians guys)
  (effective use 10x10cm cm PCB order 1. half layer buttons an logic + 2. half layer front panel)

  - buttons only and silkscreen .... more hardcore look

• Keyboard is ergonomic ... :)

  bobricius • 05/18/2018 at 21:26 • 0 comments

  Russian engineers it solve years ago when make clone of ZX spectrum

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