Testing hp2121 20181013a


  • Head is a bit sticky, but cleanable and clean
  • Small buble inside = no need to refill the head
  • limited number of pins... with a connector with screws. Opened:
    • 3 sets of coax
    • 1 pair of black/white cables
    • Few cables for an EEPROM

Test by multimeter

  • 3 pairs of coax : low impedance: 3 piezos?
  • Test with a set of modules: only yellow cable
  • Impedance between black and white cables is that of a motor. To try. 5V applied shift the piezo.

Test of motor

  • Using still KretzControl
  • Using M1 at high for slowing down. 50ms period (20fps).

Really curious to get to know the motors inside

Automated list of supporting files for the experiment 20181013a

List of files



Images of the Experiment


ToTag (category: ToTag).

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