In this fourth installment, endow your Desktop Pal with more sensors to increase its functionality. You’ll add a second ultrasonic sensor to enable your Pal to have a kind of "stereo" vision; a passive infrared (PIR) sensor to detect nearby motion, and even a "squawkbox", to give your Desktop Pal a…
In this third installment, learn how to effectively program the servos, ultrasonic sensor, and switch of your your Deskbot Pal for smooth, interactive action. In this installment of the Desktop Pal series, you'll learn a number of important Arduino sketch concepts, including interrupts, timers, sen…
