An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.
In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback