The EZ-B v4 is absolutely amazing!. It has beautiful new functionality and is over-the-top compared to anything else available. EZ-Robot is reshaping what the world thinks about robotics...
PWM Servo Feedback (ADC)
— Add ADC positional feedback to hobby PWM servos via minor mod to EZ-B/Arduino; enables real-time position readout, calibration and puppet mirroring
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