a 4x4 pixels font

half_font.h

// 4x4 pixel font, horrible, unreadable :)

const int CHAR_WIDTH = 4;
const int CHAR_HEIGHT = 4;

byte halffont[95][4] = { {0,0,0,0}, //space
                         {0,0,0,0}, // !
                         {0,0,0,0}, // "
                         {0,0,0,0}, // #
                         {0,0,0,0}, // $
                         {0,0,0,0}, // %
                         {0,0,0,0}, // &
                         {0,0,0,0}, // '
                         {0x1,0x2,0x2,0x1}, // (
                         {0x2,0x1,0x1,0x2}, // )
                         {0,0,0,0}, // *
                         {0,0,0,0}, // +
                         {0,0,0x1,0x2}, // ,
                         {0,0,0x6,0}, // -
                         {0,0,0,0x2}, // .
                         {0x0,0x1,0x2,0x4}, // /
                         {0x7,0x5,0x5,0x7}, // 0
                         {0x2,0x6,0x2,0x2}, // 1
                         {0x6,0x1,0x2,0x7}, // 2
                         {0x6,0x3,0x1,0x6}, // 3
                         {0x1,0x5,0x7,0x1}, // 4
                         {0x7,0x6,0x1,0x6}, // 5
                         {0x7,0x4,0x7,0x7}, // 6
                         {0x7,0x1,0x2,0x2}, // 7
                         {0x7,0x5,0x7,0x7}, // 8
                         {0x7,0x7,0x1,0x7}, // 9
                         {0,0x2,0,0x2}, // :
                         {0,0,0,0}, // ;
                         {0,0,0,0}, // <
                         {0,0,0,0}, // =
                         {0,0,0,0}, // >
                         {0,0,0,0}, // ?
                         {0,0,0,0}, // @
                         {0x2,0x5,0x7,0x5}, // A
                         {0x6,0x6,0x5,0x6}, // B
                         {0x3,0x4,0x4,0x3}, // C
                         {0x6,0x5,0x5,0x6}, // D
                         {0x7,0x6,0x4,0x7}, // E
                         {0x7,0x4,0x6,0x4}, // F
                         {0x3,0x4,0x5,0x2}, // G
                         {0x5,0x5,0x7,0x5}, // H
                         {0x7,0x2,0x2,0x7}, // I
                         {0x1,0x1,0x5,0x2}, // J
                         {0x5,0x6,0x5,0x5}, // K
                         {0x4,0x4,0x4,0x7}, // L
                         {0x7,0x7,0x5,0x5}, // M
                         {0x5,0x7,0x7,0x5}, // N
                         {0x2,0x5,0x5,0x2}, // O
                         {0x6,0x5,0x6,0x4}, // P
                         {0x2,0x5,0x5,0x3}, // Q
                         {0x6,0x5,0x6,0x5}, // R
                         {0x3,0x6,0x1,0x6}, // S
                         {0x7,0x2,0x2,0x2}, // T
                         {0x5,0x5,0x5,0x3}, // U
                         {0x5,0x5,0x5,0x2}, // V
                         {0x5,0x5,0x7,0x7}, // W
                         {0x5,0x2,0x2,0x5}, // X
                         {0x5,0x2,0x2,0x2}, // Y
                         {0x7,0x2,0x4,0x7}, // Z
                         {0x3,0x2,0x2,0x3}, // [
                         {0,0x4,0x2,0x1}, // 
                         {0x6,0x2,0x2,0x6}, // ]
                         {0,0,0,0}, // ^
                         {0,0,0,0}, // _
                         {0,0,0,0}, // `
                         {0x2,0x5,0x7,0x5}, // a
                         {0x6,0x6,0x5,0x6}, // b
                         {0x3,0x4,0x4,0x3}, // c
                         {0x6,0x5,0x5,0x6}, // d
                         {0x7,0x6,0x4,0x7}, // e
                         {0x7,0x4,0x6,0x4}, // f
                         {0x3,0x4,0x5,0x2}, // g
                         {0x5,0x5,0x7,0x5}, // h
                         {0x7,0x2,0x2,0x7}, // i
                         {0x1,0x1,0x5,0x2}, // j
                         {0x5,0x6,0x5,0x5}, // k
                         {0x4,0x4,0x4,0x7}, // l
                         {0x7,0x7,0x5,0x5}, // m
                         {0x5,0x7,0x7,0x5}, // n
                         {0x2,0x5,0x5,0x2}, // o
                         {0x6,0x5,0x6,0x4}, // p
                         {0x2,0x5,0x5,0x3}, // q
                         {0x6,0x5,0x6,0x5}, // r
                         {0x3,0x6,0x1,0x6}, // s
                         {0x7,0x2,0x2,0x2}, // t
                         {0x5,0x5,0x5,0x3}, // u
                         {0x5,0x5,0x5,0x2}, // v
                         {0x5,0x5,0x7,0x7}, // w
                         {0x5,0x2,0x2,0x5}, // x
                         {0x5,0x2,0x2,0x2}, // y
                         {0x7,0x2,0x4,0x7}, // z
                         {0x1,0x2,0x6,0x1}, // {
                         {0x2,0x2,0x2,0x2}, // |
                         {0x4,0x2,0x3,0x4}, // }
                         {0,0,0,0}, // ~

};

Example of the font in use ;