A linear actuator is used where one wants to move something without physically moving (lazy people). Here we use an Arduino for controlling the actuators.

(connection diagram of the linear active thermistor) Next important hardware is a standard 16×2 LCD unit. The experiment was conducted with an Arduino compatible LCD shield, circuit diagram of the ...

Automotive-InputOutput-Circuits Circuit diagrams used with the Arduino sketches The Power Supply schematic includes a 5vdc Sensor regulator.