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???? Sign up for Arduino Week for free: https://mestresdoarduino.com ???? FREE live Arduino course with CERTIFICATE, on March 4th, 5th and 6th, always at 7:14 pm. During Arduino Week you will learn the first steps to create your own projects, even if you are a beginner in programming and electronics, and you will leave the course with your first project ready from start to finish. ⚡ In this video you will learn how to assemble an electronic circuit with lithium batteries to keep your modem working with wifi when the power goes out. This way you can continue browsing the internet, even without electricity! Music: Hang for Days - Silent Partner • Hang for Days – Silent Partner (No Co...