The main component here is an Arduino and a 5-Volt Relay (go through ‘FastTrack: Arduino for Everyone’ if you’re not familiar with it). In a nutshell, Arduino can be described as a microcontroller ...
Have you ever needed to power a 12-volt relay in a circuit but only had 6 or 9 volts available? This simple circuit will solve that problem. It allows 12-volt relays to be operated from 6 or 9 volts, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results