DIY Wi-Fi connected CT Clamp power monitor. Uses ESPHome and Home Assistant. Full article here: Buy me a coffee: D1 Mini: Mains Current Sensor Module: (Affiliate Link) CT Clamp: Mottram Labs: Online 3D Printing: T-shirt from Qwertee: As an Amazon Associate and member of the eBay Partner Network I earn from qualifying purchases. Most links above are affiliate links and I may earn a small commission from any purchases you make if you use them.