Normes Stemma / Stemma QT / Qwicc / Grove
https://learn.adafruit.com/introducing-adafruit-stemma-qt/what-is-stemma-qt
Achat : https://www.aliexpress.com/item/1005002092328674.html
Stemma QT / Qwicc
JST SH 1.0mm 4pins
Grove / Stemma
JST PH 2.0mm 4pins