The new pyMCU (PicoBoard) Scratch firmware is out so you can now use your pyMCU like a PicoBoard with Scratch 1.4. You can grab the firmware hex file over on the pyMCU file page.

Slider is A1
Resistance-A is A2
Resistance-B is A3
Resistance-C is A4
Resistance-D (Not Available)
Sound is A5
Light is A6
Button is D1

We’ll get some videos of it in action posted soon.