Yes, they all have common GND and VCC, we have 3 Picos connected and B6 and B7 are wired as your instructions.
@Victor started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Yes, they all have common GND and VCC, we have 3 Picos connected and B6 and B7 are wired as your instructions.