Never..never...never..never ever use cheap Dupont jumper wire. never.
Ten minutes ago, I dumped them all. Yesterday, the whole evening I tried to identify a bug. All was OK, and I could find no reason why my hardware was not doing what it should..
And yes, I removed the jumper-wires and checked them with the multimeter - 3 times - all seemed to be OK(?)
Well... 12 minutes ago, I found that one of them had no contact when I attached it to the board. When some pressures was applied. I replaced it with a simple wire (from Pauls` audio tutorial kit) and magically the hw started working.
Now, a beer...
Ten minutes ago, I dumped them all. Yesterday, the whole evening I tried to identify a bug. All was OK, and I could find no reason why my hardware was not doing what it should..
And yes, I removed the jumper-wires and checked them with the multimeter - 3 times - all seemed to be OK(?)
Well... 12 minutes ago, I found that one of them had no contact when I attached it to the board. When some pressures was applied. I replaced it with a simple wire (from Pauls` audio tutorial kit) and magically the hw started working.
Now, a beer...