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Resistor: https://s.click.aliexpress.com/e/_DFS... LED Kit: https://s.click.aliexpress.com/e/_Dkr... This is a really cool and easy to execute circuit. It allows you to identify the voltage of an outlet (whether it is 220V or 127V). More videos at: / eletronicaetecnologia Project details and more at: / canaleletronicaetecnologia Subscribing to the channel costs you nothing and helps to promote the channel. Help not to let the channel end, subscribing and giving your like. Thanks! Thank you to everyone who collaborates with this Electronics and Technology Channel community. If you want to talk to us, send a product for review or even send us components that you no longer use, send an email to: [email protected] End screen music: Carlos Scherer ( / @carlosscherer6783 ) Legal notice All information obtained on this website and social media pages related to it are for INFORMATIONAL purposes only. The Electronics and Technology Channel is NOT responsible for any damage or loss caused by the execution of actions related or not to the content described here. Always look for a qualified professional, follow the rules and use protective equipment for any work involving electricity. We are not responsible for the functioning, operation or errors that may occur during the assembly and use of the circuits shown here. The information provided is for educational purposes only. Do so at your own risk. According to Law 9.610/98, total or partial reproduction or commercial disclosure is prohibited without the prior and express authorization of the author (article 29). #CET #Electronics #maker #TestProbes #Multimeter #Electronics #PreciseMeasurement #ElectronicsTools #ElectronicsTips #ToolMaintenance #SiliconeTestProbes