
// binary 01000000
#define TM1637_I2C_COM1		0x40
// binary 11000000
#define TM1637_I2C_COM2		0xC0
// binary 10000000
#define TM1637_I2C_COM3		0x80

// binary 01000010
#define TM1638_I2C_COM1_READ	0x42

#define TM1637_MAX_CHARS	6
#define TM1637_DELAY		120
#define TM1637_DOT			0x80
