> I am using DSPx/KDSP10 module. The interfacing schematic found in > http://www.fidalgo.net/~wa7gxd/kdsp10.html does not show the use of U201 > voltage regulator and C222 capacitor. Is that mean I can ignore them ? The DSpx/KDSP10 does not require a supplemental voltage regulator. This is because this consumes much less power than the EZ Kit Lite, so excess heat is not a problem. 73, Lyle kK7P