Several of the people that have looked at this project have asked about the I.C. pins I use. It took a while, but I have now designed and manufactured a version that is easy for anyone to use.
http://oshchip.org/products/Flip-Pins_Product.html Detailed product description
For sale at:
At Tindie Minimum order is about $20
If you buy some and like them, please write a review and tell your friends.
If you have any issues, please let me know.