The HTD is an impact Sensor. When the HTD receives the shock and vibration, the alternating voltage appears at the same time to trigger the 555 to enter the working state. During the 555 working hours, the redundant pulse waves generated by the HTD do not work. Thus, when the HTD is subjected to shock and vibration, the 555 pin 3 outputs only a single up-jump pulse, which is supplied to the counter for a technique, and so on.
Rotary encoders are used as sensors for angle,position,speed and acceleration. We can offer incremental encoders and absolute encoders.
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