[Jon] wished to maintain observe of his home energy use, however didn’t wish to should push his knowledge as much as some cloud service that’s simply going to depart him excessive and dry sooner or later. So he went fully DIY.
This straightforward and candy construct is now in its third revision, and the refinements present. A primary prototype was nothing greater than an ESP32 with a display screen and a few present transformer (CT) sensors to learn the present flowing within the wires in his breaker field. The following model added a PCB and a coloration display screen, and the newest model swapped as much as eInk and a pleasant native energy provide, all sized to suit a pleasant clear energy field.
What’s actually cute about this design is using normal
phono headphone jacks to plug the CT sensors into, and the general candy mixture of an area show and interactivity with [Jon]’s ESPHome-based home automation setup. This design isn’t tremendous difficult, nevertheless it doesn’t should be. It has one job, and it does it properly. What extra would you like?
In the event you’re eager about entering into ESPHome and/or home automation, try this nice ESPHome useful resource. It’s in all probability so much simpler than you assume, and you’ll construct your system out one module at a time. In the event you’re like us, when you get began, you’ll discover it arduous to cease till the whole lot falls beneath your watchful eyes, if not your management.