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49 lines
771 B
Arduino
49 lines
771 B
Arduino
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//
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// FILE: PCA9553_test02.ino
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// AUTHOR: Rob Tillaart
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// DATE: 2023-07-17
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// PURPOSE: test PCA9553 library
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// URL: https://github.com/RobTillaart/PCA9553
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#include "Arduino.h"
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#include "Wire.h"
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#include "PCA9553.h"
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PCA9553 leds(0x62);
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void setup()
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{
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Serial.begin(115200);
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Serial.print("PCA9553_LIB_VERSION: ");
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Serial.println(PCA9553_LIB_VERSION);
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Serial.println();
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if (leds.begin() == false)
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{
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Serial.println("Could not connect.");
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while(1);
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}
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}
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void loop()
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{
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// random blink
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leds.digitalWrite(0, random(2));
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// steady blink
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leds.digitalWrite(1, !leds.digitalRead(1));
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// output 2 follows 3
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leds.digitalWrite(2, leds.digitalRead(3));
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leds.digitalWrite(3, random(2));
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delay(1000);
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}
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// -- END OF FILE --
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