Hi Steve,

Here's the link to Danny's setup:

[...] [[...]]

And here's Randy's explanation of how they work :

[...] [[...]]

If you decide to build one and need a 5V power supply, try this:

[...] 1&t=visible&i=0&sr=90&sb=%5Btimestamp%5D%20DESC&s=81&... Login to read more.

Files Referenced: