unsigned long now;
unsigned int counter;
/* reserved for two-in-one version
const byte ledPins[numLeds] = {2, 3, 4, 5};
const byte buttonPins[numLeds] = {7, 8, 9, 10};
*/
# define RATE 10000
void setup() {
Serial.begin(115200);
Serial.println("hi Mom!");
}
void loop() {
static unsigned long lastTime;
now = millis();
// loop rate
// once per
if (now - lastTime < RATE) return;
lastTime = now;
// Serial.println(counter); counter++;
}
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cd74hc4067
cd74hc4067