Linear Actuator Update

Linear Actuator Update

By Theron Wierenga    View In Digital Edition  

Since writing the article “Building a Linear Actuator” that was published in SERVO Magazine in Issue-1 2020, I have continued to experiment and improve the design. While the Hall-effect sensor is a good solution to finding a fixed position or a home position, it doesn’t tell you the linear distance the actuator has moved. Some type of encoder is needed to do this. Here’s my solution.


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