Each of the 14 digital pins on the Arduino Uno can be used as an input or output ... Provide 8-bit PWM output with the analogWrite() function. SPI: 10 (SS), 11 (MOSI), 12 (MISO), 13 (SCK). These pins ...

The original device now gets incorrect data. For the last several weeks, [Paul] has been working on a new Arduino SPI library, to solve these types of conflicts. In the above scenario ...