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Make ready capacitive sensor for Arduino, 3D print

Make ready capacitive sensor for Arduino, 3D printer

films4youFilms4You
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Make ready capacitive sensor for Arduino, 3D printer

Capacitive sensor FAILS for 3D Printer. I Now use a BLTouch sensor which is Great
http://www.dailymotion.com/video/x3r04j0_capacitive-sensor-fails-for-3d-printer_tech

Wiring and basic testing of non-contact capacitive sensor

LJC18A3-B-Z/AY PNP NC 3-Wires 10mm

Capacitive Proximity Sensor Switch DC 6-36V

http://www.dailymotion.com/video/x3h46ml_protomaker-3d-printer-make-ready-capacitive-sensor_tech

Outside diameter: Φ18

Dimensions: 78 x 30mm/3.07 x 1.18"(L x Dia) Total Length:127cm/50"

The detection method: Capacitive

Detection range: ± 10mm (mm)

Operating voltage: DC6-36V

Output Type: PNP NC(normally closed) 3 Wire

Protomaker Black Sp

This uses Tom's Guides

  • 1 × Capacitive Proximity Sensor Switch LJC18A3-B-Z/AY PNP NC 3-Wires 10mm Capacitive Proximity Sensor Switch DC 6-36V
  • 1 × 15K Ohm and 10K Ohm resistors Voltage devider
  • 1 × Solder, heat shrink, wire, etc... Connecting and insulation, Inline conneting

  • This capacitive sensor is RUBBISH

    Films4You • 11/15/2016 at 19:04 • 0 comments

    This capacitive sensor is RUBBISH I now use a BLTouch 10000% better than false zero from #capacitive sensor

  • NOTE This FAILED!!!!

    Films4You • 02/23/2016 at 09:36 • 2 comments

    NOTE This FAILED!!!!

    LJC18A3-B-Z/AY PNP NC 3-Wires 10mm Capacitive Proximity Sensor Switch DC 6-36V

    It

    a) Seemed to give different distances depending whether it was on the right hand side of the Print bed of the left hand side of the bed.

    b) The LED would flicker some times as it moved from On to Off sensing. On a 3D printer I thing this could cause a problem because when Homing the head touches down the goes back up then back down as a double check. If the On/Off flicker is happening during this time false signals could occur, some video abut this flicker:-

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