Scratch built solar PV divertor
Always feels a bit pretentious starting a thread in Boffin's corner but I guess it's best to keep electronics & coding out of the other sub forums.
Anyhow, I'm messing around with a bit of an 'old chestnut' - a device that spots power being exported to the National Grid and intervenes to dump it into something more useful such as a DHW cylinder immersion heater. Being tight, and having a comprehensive store of electronics parts to hand, I feel compelled to roll my own - as has be
All finished now.
And an animated MQTT dash info panel showing the Joule bucket filling and emptying:
screen-20220613-135047.mp4
In the final configuration the Black box with the CT clamp goes next to the Electricity supply meter and has no external indicators or controls. Everything is done via MQTT over WiFi (where the power measurements are broadcast) and via real-time X10 style signalling to tag 'cycles to divert' on the ma
