igrr wrote:... and here is how you could do it in C code:
Theory is nice, code is better
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igrr wrote:... and here is how you could do it in C code:
/* Blink the blue LED on the ESP-01 module
Based on Blink without Delay. This example code is in the public domain
http://www.arduino.cc/en/Tutorial/BlinkWithoutDelay
*/
const int ledPin = 1; // The blue LED on the ESP-01 module is connected to GPIO1
// (which is also the TXD pin; so we cannot user Serial at the same time
int ledState = LOW;
unsigned long previousMillis = 0;
const long interval = 1000;
void setup() {
pinMode(ledPin, OUTPUT);
}
void loop()
{
unsigned long currentMillis = millis();
if(currentMillis - previousMillis >= interval) {
previousMillis = currentMillis;
if (ledState == LOW)
ledState = HIGH;
else
ledState = LOW;
digitalWrite(ledPin, ledState);
}
}
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