Quadcopters to Alzheimer's solutions: readers' best Raspberry Pi ... - The Guardian

The Guardian

Quadcopters to Alzheimer's solutions: readers' best Raspberry Pi ... The Guardian An Arduino Uno is also connected to the Pi via USB. The Arduino controls 8 servos, each with a "mallet" attached. (These mallets are actually Lego bricks clumsily taped onto coffee sticks.) The Arduino is programmed to receive serial commands* from the ...