This remote E3D v5 3D printer head (0.4 mm nozzle, 1.75 mm filament) is...
"1 Wire" 10 CM Male - Female
30 cm 1p Male to Female Wire
This M3x12mm hexagon pillar nut fits perfectly with the M3 hexagon pillars.
Plusivo Pi Zero W Super Starter Kit...
This CC2541 Bluetooth 4.0 Module is based on Bluetooth 4.0 protocol standard that can support the user through the AT command to modify the device name, transmit power, match password and other instructions, convenient and flexible to use.