Channel: AddOhms

Category: Science & Technology

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Description: Need to measure a large voltage on a microcontroller? Support on Patreon: patreon.com/baldengineer A good option is a voltage divider. This is two resistors in series, with a point in the middle. This AddOhms Video explains how to calculate the resistors needed for a specific voltage. Note: There is a mistake around 3:00. I say "91 millivolts" and I should have said "910 millivolts!" Visit: addohms.com Follow Us on Twitter: twitter.com/addohms Like Us On Facebook: fb.com/addohms Circle Us on Google+: plus.google.com/+AddOhms Leave comments, ask questions, and suggest topics to cover next. #resistors #ohmslaw #electronics