Linear actuator is a DC motor is the prime mover in a sunlight tracking system. As the name implies, linear or linear actuator moves back and forth. Linear motion is obtained from the results of transmission gears with rotary DC motors. The series of gears on the linear actuator end torque also resulted in a greater linear movement that can lift heavy loads. In general, linear actuator also has a reed relay / switch that serve as a feedback in the form of digital pulses. The digital pulse will become input to the microcontroller to determine the length of a step or linear motion actuator. continue reading…
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Carrion flower (Amorphophallus titanium) as high as 1.8 meters was found growing in the fields of a farmer in the village of Alur Baning, Babul Rahmah District, Aceh Tenggara. This is the first finding in Aceh in 2011. Masnur Boru Sirait, Village Style Jaya, District of Lawe Sigala gala, Agara, on his farm grows 1.8 meters bungai carcass and is now in a state of bloom. Flowers that she had long expected to grow. Nevertheless, only this time she saw the flowers are blooming. “I found it by accident when it went into the garden to harvest the corn and clean the weeds,” said Masnur. 
