STEMMA connectors are JST PH connectors with 2 mm pitch, with JST part number being S4B-PH-SM4-TB, and cheap third-party connectors available with “1x4P PH 2mm” search terms. They’re a bit ...

When reading about cool projects and products, it’s common to see wiring plugs labelled “JST connector.” This looks fine until we start getting hands-on and begin hacking things together.

CMM connectors are 2mm pitch types with one, two (220) or three (320) rows, designed to the electrical and mechanical requirements of MIL-DTL-55302F and BS-9525-F0033. Operation is across -60 to ...