How To Build Your Own Circuit Training Workout Now that you’re aware of the perks of circuit training, it’s time to DIY your own program.

How To Build Your Own Circuit Training Workout Now that you’re aware of the perks of circuit training, it’s time to DIY your own program. The first thing you need to do is set up a workout ...

To begin with, he used off-the-shelf subscriber line interface circuits (SLICs) to implement the correct voltages, currents and impedances to drive analog phones.