KeyPad & LCD Display Control Console

This is the control console for the DAV5 V3.01 Raman spectrometer, I designed it on FreeCad v0.16. I will be having this 3d printed by Sculpteo using POM material (powdered nylon type material,) color [white] for about $107.00US, as always, all my 3d parts are manufactured by Sculpteo and I have over 236 designs uploaded to their website at my personal shop.

This console utilizes a 1 x 4 keypad matrix # pad, to control the functions of the diffraction grating that is mounted on the triple turret.

keypad matrix 7

The console display consists of 2 main components;

  • 20x 4 Ln 12c LCD display (yellow backlit)
  • 1 x 4 matrix numbered keypad

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Adafruit Membrane 1×4 Keypad

This keypad has 4 buttons, and since every key has its own wire line, no matrix code is required – just treat these like every day switches. The membrane is soft and has a removable paper backing to expose a strong adhesive so you can stick this on an enclosure and feed the cable through a slot.
Dimensions; 2 x 1.2 x 0.1 inches

view 3

This is the colored image version illustrating the finished product.

All my personal designs can be downloaded here at the link below:

dhaffner’s shop

Full project details for the 3d printable Raman spectrometer can be found at the link below also:

DAV5 V3.01 Raman spectrometer




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