Op-Amp Oscillator
Frequency
0.46 Hz
+5V
Arduino Blink
#include <Arduino.h>
void setup() {
  pinMode(LED_BUILTIN, OUTPUT);
}
void loop() {
  digitalWrite(LED, HIGH);
  delay();
  digitalWrite(LED, LOW);
  delay();
}
void setup() {
  pinMode(LED_BUILTIN, OUTPUT);
}
void loop() {
  digitalWrite(LED, HIGH);
  delay();
  digitalWrite(LED, LOW);
  delay();
}
Edit values to change blink speed!
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