Here is an Arduino based circuit with three independent pulse width ... ports to control high voltage/current loads -the popular “12V LED strips”- for instance. Remember to power the output load(s) ...

Here is the circuit of an Arduino-based Panic Alarm ... Switch Input Pin int ledPin = 13; // LED output Pin int pzSpeaker = 10; //Piezo-speaker Output Pin int val = 0; // variable for reading the ...

the output from the Arduino is the input to the circuit). Conversely, the comparator output and the connection to the Arduino’s analog converter (A0) are labeled nodes from the “Output and ...

It is a pretty common first project to use an Arduino (or ... a sufficient view of the LED. You might use this as a safety light that only works in the dark. A simple circuit, but it just goes ...