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.
The buzzer can be used in your Arduino development plots to generate sounds at different frequencies. This device can play a wide range of frequencies. It's ideal to alert you that a particular process has ended, for example, the completion of tea making by an automaton.