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→pca : PCA9536
'''Private''' instance of the 4 bit GPIO expander controling the 4 LEDs of the Pico3Mod controler board. The PCA9536 is wired on the internal I2C bus.
'''Private''' instance of the 4 bit GPIO expander controling the 4 LEDs of the Pico3Mod controler board. The PCA9536 is wired on the internal I2C bus.
It is not necessary to manipulate that object, LEDs are manipulated through a special class named PcaPinAdapter!
It is not necessary to manipulate that object, LEDs are manipulated through a special class named {{fname|PcaPinAdapter}}!
The class Buzzer is documented into the [https://github.com/mchobby/esp8266-upy/tree/master/pca9536 esp8266-upy/pca9536 repository] (Github)
=== led0, led1, led2, led3 : PcaPinAdapter ===
=== led0, led1, led2, led3 : PcaPinAdapter ===