I have this relayhttps://www.m.nu/relay-board-5vlogic-level-operation-4channel-assembled-p-1094.html
and I wont to connect external power supply 5 volt
pin IN1-IN4 I connect to pins 10-13 on my Arduino
GND i connect to GND on my arduino
my external 5 volt
GND to Arduino GND
5volt to VCC on relay
is that the right way?
I have already burnt 1 chip!
Sven Åke