By mterdil
hello I'm using a Lattepanda 4G/64GB
I upload the standart firmata to embeded arduino.
I'm trying to activate the relays with D4 and D5 pins. I wrote the code with visual studio c# , there is no problem with working my own software but when I pull out and then plug in the adapter then the relay states turning on. How can I prevent this situation. I want to set relay state off after repower the lattepanda
By Wendy.Hu
This is the Arduino pin initialization problem, try to find a solution in the Arduino forum. Or you can change normally open and normally closed pin on the relay.