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Results tagged with relay
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user 62140
A relay is a part that acts like a switch that can be controlled by an Arduino. They usually are powered by sending current through a coil, which moves a piece of metal to touch a contact within it. (Note there are also solid state relays which act more like a transistor.) The moving parts is why some devices make a "clicking" noise when they turn on/off a light or another device attached to it.
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How to set a timer for a function and be able to reset it in the middle of the process?
We have to make a LED turn on and of with a button and a relay. … const int relay = 6;
const int button = 5;
int stateold = 1;
int statenew = 0;
int LED = 0;
void setup()
{
pinMode(relay,OUTPUT);
pinMode(button,INPUT);
time = millis();
}
void loop() …
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