The 15v PS that powers the arduino does haves voltag drop, I haven't tested with the new 5v PS but before it would drop around 0.8v when a relay was activated... The 5v from the arduino did not drop (never) only the 15v PS...
The 15v PS that powers the arduino does haves voltag drop, I haven't tested with the new 5v PS but before it would drop around 0.8v when a relay was activated... The 5v from the arduino did not drop (never) only the 15v PS...