Sensors are used to improve the performance of automated systems in a variety of ways. For example, a temperature sensor can be used to ensure that an industrial furnace is operating at the correct temperature. If the temperature gets too high, the sensor will signal the furnace to shut off and cool down. Similarly, a pressure sensor can be used to maintain the proper pressure in a hydraulic system. If the pressure gets too high, the sensor will signal the system to reduce the pressure and prevent damage to the system. Finally, proximity sensors can be used to detect obstacles and adjust the speed of a robotic arm or other automated machinery to avoid collision.