The loop function runs as long as the Arduino board is powered and will blink the LED ON and OFF withe 1 second pause between states. You can use another pin, for example pin 12 and then change the ...

Blink Sensor With Sigmoid Function A simple Arduino project made more complicated! Has the rate which two LEDs flash depending on the environment, uses the Sigmoid function.

Arduino LED Blink without IDE. Contribute to fatalhalt/LEDBlink development by creating an account on GitHub.

You could put the Arduino in deep sleep, if you wanted to and that LED will still blink. With a little work, you could probably adapt this idea to any number of circuits out of the 555 playbook ...

ESP32 is a dual core 32-bit CPU with built in Wi-Fi and dual-mode Bluetooth with sufficient amount of 30 I/O pins for all basic electronics projects.