تماشای ویدئو SPI on Arduino Nano and Mega از آی-ویدئو
Arduino Mega controlling an Aruduino Nano using SPI. Nano reads the ADC, applies a filter, and sends data to Mega. Mega displays data as a bar graph. http://jeffpiepmeier.blogspot.com/2016/05/adc-iir-lpf-spi-tft-lcd-gui-part-1.html