3/10/2024 0 Comments Arduino due vs mega 2560 pinoutBy default, the resolution of the readings is set at 10 bits, for compatibility with other Arduino boards. The Due has 12 analog inputs, each of which can provide 12 bits of resolution (i.e. Adding two pullup resistor on SDA1 and SCL1 lines is required for using Wire1. While SDA and SCL have internal pullup resistors, SDA1 and SCL1 have not. SDA1 and SCL1 can be controlled using the Wire1 class provided by the Wire library. Support TWI communication using the Wire library. It is also possible to dim the LED because the digital pin 13 is also a PWM outuput. When the pin is HIGH, the LED is on, when the pin is LOW, it's off. There is a built-in LED connected to digital pin 13. These pins support the CAN communication protocol but are not not yet supported by Arduino APIs. The SPI of the Due has also advanced features that can be used with the Extended SPI methods for Due. The SPI header can be used only to communicate with other SPI devices, not for programming the SAM3X with the In-Circuit-Serial-Programming technique. The SPI pins are broken out on the central 6-pin header, which is physically compatible with the Uno, Leonardo and Mega2560. These pins support SPI communication using the SPI library.
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