Files
seeed_HT16K33_display/examples/combine_two_displays/combine_two_displays.ino
2019-07-05 17:09:37 +08:00

52 lines
1012 B
C++

#include <Wire.h>
#include "grove_alphanumeric_display.h"
Seeed_Digital_Tube tube1;
Seeed_Digital_Tube tube2;
/**
* NOTICE:Every tubes display has the same default i2c address.
* if you want to combine two(or more)display in one project,you should change the
* i2c address,by soldering the pad of device's backside.
* please refer to our wiki to get more details.
* */
#define I2C_ADDR_AFTER_CHANGE_FOUR 0x75
#define I2C_ADDR_DEFAULT_FOUR 0x71
void setup()
{
Wire.begin();
// If using four digital tubes, use this configuration.
tube1.setTubeType(TYPE_4,I2C_ADDR_AFTER_CHANGE_FOUR);
tube1.setBrightness(15);
tube1.setBlinkRate(BLINK_OFF);
// If using four digital tubes, use this configuration.
tube2.setTubeType(TYPE_4,I2C_ADDR_DEFAULT_FOUR);
tube2.setBrightness(15);
tube2.setBlinkRate(BLINK_OFF);
}
void loop()
{
tube1.displayNum(1234);
delay(100);
tube2.displayNum(5678);
delay(100);
while(1);
}