imiconsystem

int led = 13;
int btn = 12;

int btnState = 0;

void setup()
{
pinMode(led, OUTPUT);
pinMode(btn, INPUT);
digitalWrite(led, LOW);

imiconsystem

int led = 2;
int btn = 34;

int btnState = 0;

void setup()
{
pinMode(led, OUTPUT);
pinMode(btn, INPUT);
digitalWrite(led, LOW);

imiconsystem

[{"id":"83c45ffc.002cb","type":"tab","label":"Simply Embedded Pi Zero - iMicon","disabled":false,"info":""},{"id":"c9befbbf.818d18","type":"inject","z":"83c45ffc.002cb","name":"","topic":"","payload":"true","payloadType":"bool","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":530,"y":321,"wires":[["8ac601ad.c4f4e","f64862.57ae27a"]]},{"id":"8ac601ad.c4f4e","type":"rpi-gpio out","z":"83c45ffc.002cb","name":"","pin":"37","set":true,"level":"0","freq":"","out":"out","x":720,"y":361,"wires":[]},{"id":"ba9c03f4.0f14f","type":"inject","z":"83c45ffc.002cb","name":"","topic":"","payload":"false","payloadType":"bool","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":530,"y":361,"wires":[["8ac601ad.c4f4e","f64862.57ae27a"]]},{"id":"f64862.57ae27a","type":"debug","z":"83c45ffc.002cb","name":"Relay","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","x":710,"y":321,"wires":[]},{"id":"bae43c01.6171","type":"comment","z":"83c45ffc.002cb","name":"สั่งงาน 

imiconsystem

//Example Sketch ESP32:

int relay1 = 26;
int relay2 = 25;
int relay3 = 33;
int relay4 = 32;

void setup() {
pinMode(relay1, OUTPUT);
pinMode(relay2, OUTPUT);

imiconsystem

//Example Sketch Arduino nano:
// Asign output PIN
int relay1 = 2;//PIN D2
int relay2 = 3;//PIN D3
int relay3 = 4;//PIN D4
int relay4 = 5;//PIN D5

void setup() {
pinMode(relay1, OUTPUT);
pinMode(relay2, OUTPUT);

imiconsystem

//Assign output PIN
int relay1 = 2; //PIN D2
int relay2 = 3; //PIN D3
int relay3 = 4; //PIN D4

void setup() {
pinMode(relay1, OUTPUT);
pinMode(relay2, OUTPUT);
pinMode(relay3, OUTPUT);
}