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- Wed Dec 19, 2012 2:01 pm
- Forum: HATs and other add-ons
- Topic: how to sense 220v input -solved- I hope
- Replies: 59
- Views: 66646
hi Pepepaco_82 I am also trying to sense presence of mains supply. I almost came to the conclusion of designing the circuit similar to this one. Please confirm if the latest circuit provided works well. TIA PS: Actually i am working on this twitter bot @powerbot_tn, which detects & tracks mains ...