ESP8266 WeMos D1 mini Examples
Relay Shield, use relay to control other equipment.
* NO: 5A(250VAC/30VDC), 10A(125VAC), MAX:1250VA/150W
* NC: 3A(250VAC/30VDC), MAX:750VA/90W
WeMos D1 mini Relay shield blinks LED at 5VDC
Install WeMos D1 mini Examples of Relay shield
Unzip download file or git clone to Arduino IDE sketchbook location.
if Sketchbook Location is “~/Arduino”,
cd ~/Arduino
~/Arduino/$ git clone https://github.com/wemos/D1_mini_Examples.git
Restart Arduino IDE
Open Blink.ino:
Arduino IDE> File> Sketchbook> D1_mini_Examples> 04. Shields> Relay_Shield> Blink
WeMos D1 mini Relay Shield Arduino Code
Blink.ino:
/*
* Relay Shield - Blink
* Turns on the relay for two seconds, then off for two seconds, repeatedly.
*
* Relay Shield transistor closes relay when D1 is HIGH
*/
const int relayPin = D1;
const long interval = 2000; // pause for two seconds
void setup() {
pinMode(relayPin, OUTPUT);
}
void loop() {
digitalWrite(relayPin, HIGH); // turn on relay with voltage HIGH
delay(interval); // pause
digitalWrite(relayPin, LOW); // turn off relay with voltage LOW
delay(interval); // pause
}
I have been very pleased to uncover this fabulous website. I must thank you for your time for this particular awesome writing. I’m definitely enjoying each and every part of this particular article and that I already have this particular webpage saved as a favorite for upcoming latest articles.