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#340

I often get questions about how to measure voltage with microcontrollers. We will look at this topic, at the quality of built-in and external Analog-to-digital converters, and I will show you some “secrets.” In this video, we will: See how ADCs work Look at how we can determine the quality of ADCs Compare the ADCs of different microcontrollers with external chips Learn how to tweak the calculations to get the best out of any ADC See how we can extend the range of ADCs Discover some “hidden” things of Microcontrollers and their ADCs Look at different external boards and their usage I am a proud Patreon of GreatScott!, Electroboom, Electronoobs, EEVblog, and others. Links: ESP32 dev board: http://s.click.aliexpress.com/e/_dZRlwBw ESP32 Breakout: http://s.click.aliexpress.com/e/_dYPpD2c ADS1115: http://s.click.aliexpress.com/e/_d9kxGU8 PCF8591: http://s.click.aliexpress.com/e/_dTanrOc AD7705: http://s.click.aliexpress.com/e/_d6fDmrw Nice looking ADC (AD7606): http://s.click.aliexpress.com/e/_dYHWm0A Voltage reference: http://s.click.aliexpress.com/e/_d6N3GHc Voltage Divider: http://www.ohmslawcalculator.com/volt... ADC Theory: https://e2e.ti.com/blogs_/archives/b/... DAC Theory: https://en.wikipedia.org/wiki/Digital... The links above usually are affiliate links which support the channel (no additional cost for you). Supporting Material and Blog Page: http://www.sensorsiot.org Github: https://www.github.com/sensorsiot My Patreon Page:   / andreasspiess   Discord:   / discord   If you want to support the channel, please use the links below to start your shopping. No additional charges for you, but I get a commission (of your purchases the next 24 hours) to buy new stuff for the channel My Amazon.com shop: https://www.amazon.com/shop/andreassp... For Banggood https://bit.ly/2jAQEf4 For AliExpress: http://bit.ly/2B0yTLL For Amazon.de: http://amzn.to/2r0ZCYI For Amazon UK: http://amzn.to/2mxBaJf For ebay.com: http://ebay.to/2DuYXBp https://www.facebook.com/profile.php?...   / spiessa   https://www.instructables.com/member/... Please do not try to Email me or invite me on LinkedIn. These communication channels are reserved for my primary job As an Amazon Associate, I earn from qualifying purchases