Hello everyone! I built a lpc17 core and 2 DIN-Modules. I loaded the Midio128-Software on the core and connected one DIN-Module to the core. Now only one connection for a button (the one between ground and D7 of the first block) of the DIN works. And when I connect this, the core sends all 128 notes on (see atachment). As in the DIN-Wiki, I suppose there is a problem with the latch-enable or the clock signal of the DIN's shift register. For troubleshooting I checked the con