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jackphilippi/numitron_clk.ino

Created February 21, 2019 10:05
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numitron_clk.ino
#include "SPI.h"
int DATA = 11;
int CLOCK = 13;
int LATCH = 5;
void setup() {
Serial.begin(115200);
SPI.begin();
}
void loop() {
digitalWrite(LATCH, LOW);
SPI.transfer(B11111111);
SPI.transfer(B11111111);
digitalWrite(LATCH, HIGH);
digitalWrite(LATCH, LOW);
delay(1000);
}
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