For another simple project, let's use a joystick to control the two servos. You'll arrange the servos in such a way that you get a pan-tilt head, such as is used for CCTV cameras or for camera or sensor mounts on robots.
Leave the circuit as it was for the last project, and add either two potentiometers or a 2-axis potentiometer joystick.
|Standard RC Servo × 2|
|2-axis potentiometer joystick(or two potentiometers)|
The circuit for Project 27 is the same as for Project 26, with ...