Eagle – How to place pins in a circle

luca 21/05/2016 0

I’m working with Eagle to prepare a PCB for a Nixie clock. I wasn’t able to find a library for the Nixie I chose so I had to create it from scratch.

Nixie’s datasheet has the following drawing about pins disposition:

eagle-round1

Let’s see how to draw it in Eagle, thanks to an ULP (User Language Program).

Choose File – Run ULP…

eagle-round2

Click on cmd-draw.ulp:

eagle-round3

Choose Pad, then enter the values for the radius (0.19 mils) and the angle between two pads (25.714°) as explained in the datasheet. You can also define shape and size for the pads:

eagle-round4

Click on OK and confirm the generated script with OK again:

eagle-round5

The result:

eagle-round6

 

 

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