The latest version of the Arduino software allows you to use more than two servos at a time. Curious Inventor has posted a demo showing how to run 4 servos from a keyboard input. The code should al… ...

For instance, the Serial Servo Raspberry Pi HAT offers multiple powering options, four Serial Servo connectors, four programmable buttons, an on/off switch, and a 1.14” TFT Display for status ...

An Arduino clone called the GRoboduino makes this project a lot easier since it has a bunch of extras on the board aimed at things like sensors and servo motors.

Schematic of the Arduino Solar Tracker Circuit. As you can see in the schematic all that you need to make the electrical part is the board, one servo, 2 LDRs and 2 x 10K resistors. Usually the servo ...

Each servo motor requires a PWM signal to control its position, and with 28 servos needed for the clock, the Arduino Mega’s capacity was quickly exceeded. To overcome this limitation, Klements ...