Use the STEMMA QT JST SH-4 cable for the Raspberry Pi Pico. This will plug into the OLED display.
Remove the male header pins by cutting them off leaving the cable about 150mm in length.
Use wire strippers to remove a bit of insulation from the tips of each wire. Tin the exposed strands of wire by adding a bit of solder.
Solder STEMMA to Raspberry Pi Pico
Attach the four wires from the STEMMA cable to the bottom of the Raspberry Pi Pico.
- Blue wire – GP0
- Yellow Wire – GP1
- Red Wire – 3V3
- Black Wire – GND