Timeline for Measuring 0-240v 50-60hz Mains AC with Arduino/MCU
Current License: CC BY-SA 4.0
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| Apr 16, 2019 at 14:44 | history | edited | Alexander | CC BY-SA 4.0 |
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| Apr 16, 2019 at 14:30 | comment | added | Alexander | Because you are talking of measuring AC voltage there will exist at least one diode and one capacitor. Minimum 2 resistors for divider or transformer. | |
| Apr 16, 2019 at 14:28 | comment | added | Alexander | 1. No common ground (blue dots) 2. Smaller capacitance of capacitor and more smooth voltage line - better accuracy of measurement. | |
| Apr 16, 2019 at 14:22 | comment | added | cEMa | Thanks @Alexander for the reply! For the basic purpose of measuring voltage, what benefits does your circuit have over my own? Seems like a waste of money to have 3x the components and arrive at same result. In my head I'm thinking it's just allowing me to use lesser rated resistors and give an even more condensed wave form. | |
| Apr 16, 2019 at 13:54 | history | edited | Alexander | CC BY-SA 4.0 |
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| Apr 16, 2019 at 13:43 | history | answered | Alexander | CC BY-SA 4.0 |