Copley Motor Controller Review


Copley controller

Hi all This is a post about the Copley Controls motor controllers. For this review I will be using a ACJ-055-09 (55Vmax and 9Apeak) motor controller (I love when product names mean something useful) with a 3 phase DC brushless motor. This is a good controller for distributed motion control. Copley makes several versions of […]

Antennas and Amplifiers for Long Distance Wireless Communications


Hi all This is just a quick post on how to increase the range of your wireless communication system. There are several ways to do it and they mostly apply no matter what frequency you are using. We will discuss several ways to do this below. We will also discuss some of the legal limits […]

Motor Controllers & Amplifiers


motor architectures

Hi all I recently wrote a post on different types of motors and feedback options, now I want to talk about how to control those motors. Each motor is often refereed to an “axis”, so a 8 axis motor controller can control up to 8 motors. There are two different components used in the control […]