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49 lines
869 B
C++
49 lines
869 B
C++
//
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// FILE: PCA9553_PWM.ino
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// AUTHOR: Rob Tillaart
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// DATE: 2023-07-18
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// PURPOSE: test PCA9553 library
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// URL: https://github.com/RobTillaart/PCA9553
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//
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// Connect LEDs from pin 0 and pin 1 with a resistor to 5V
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// See datasheet
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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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leds.setOutputMode(0, PCA9553_MODE_PWM0);
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leds.setOutputMode(1, PCA9553_MODE_PWM1);
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leds.setPrescaler(0, 43); // 1 Hz
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leds.setPWM(0, 128); // 50% duty cycle
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leds.setPrescaler(1, 21); // 2 Hz
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leds.setPWM(1, 32); // 12% duty cycle
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}
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void loop()
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{
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}
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// -- END OF FILE --
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