TIL311 / DIS1417 (Texas Instruments)

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Připojení k Arduinu

Pin TIL311	Název pinu TIL311	Pin Arduino
1	LED SUPPLY VOLTAGE	5V
2	LATCH DATA INPUT B	D3
3	LATCH DATA INPUT A	D2
4	LEFT DECIMAL POINT CATHODE	–
5	STROBE	GND
6	NC	–
7	GND	GND
8	BLANKING INPUT	D6
9	NC	–
10	RIGHT DECIMAL POINT CATHODE	–
11	NC	–
12	LATCH DATA INPUT D	D5
13	LATCH DATA INPUT C	D4
14	LOGIC SUPPLY VOLTAGE (Vcc)	5V

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Zdrojový kód pro Arduino

#define BLANK_INPUT 6

#define LATCH_DATA_A 2
#define LATCH_DATA_B 3
#define LATCH_DATA_C 4
#define LATCH_DATA_D 5

void display (uint8_t value)
{
  digitalWrite (LATCH_DATA_A, bitRead (value, 0));
  digitalWrite (LATCH_DATA_B, bitRead (value, 1));
  digitalWrite (LATCH_DATA_C, bitRead (value, 2));
  digitalWrite (LATCH_DATA_D, bitRead (value, 3));
}

void setup ()
{
  pinMode (BLANK_INPUT, OUTPUT);
  pinMode (LATCH_DATA_A, OUTPUT);
  pinMode (LATCH_DATA_B, OUTPUT);
  pinMode (LATCH_DATA_C, OUTPUT);
  pinMode (LATCH_DATA_D, OUTPUT);
  digitalWrite (BLANK_INPUT, LOW);
}

void loop ()
{
  static byte i = 0;
  display (i++);
  if (i > 15) i = 0;
  delay (300);
}

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Demo video

TIL311, DIS1417 a DIALCO 980-8431 (shora dolů)

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