Irene Wolf is the owner a Passap E6000, a computerized knitting machine which features pair of needle beds, and decided it was time to give it an upgrade. In particular, she wanted the ability to control its rear needle bed automatically in a similar manner to the way the front is normally operated for extra functionality.
To accomplish this non-trivial task, she’s using a Raspberry Pi 3 as the new controller, along with two Arduino M0 boards to directly handle the machine’s actions via interrupts.
She’s also driving the device’s motor with a frequency converter and an Uno, as the original control board was broken. Plenty of details are available in Wolf’s write-up and on GitHub, and you can even see it in action (plus a resulting knitted sock) in the video below.
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