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![Non Contact AC Phase Detector Circuit [Tested] - Homemade Circuit Projects](https://www.homemade-circuits.com/wp-content/uploads/2020/06/hum-detector.jpg "Non Contact AC Phase Detector Circuit [Tested] - Homemade Circuit Projects")
Non Contact AC Phase Detector Circuit [Tested] - Homemade Circuit Projects
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![Non Contact AC Phase Detector Circuit [Tested] - Homemade Circuit Projects](https://www.homemade-circuits.com/wp-content/uploads/2019/09/non-contact.png "Non Contact AC Phase Detector Circuit [Tested] - Homemade Circuit Projects")