Quantity   Component name
2 × SCT-013-000 100A Current Transformer <a target="_blank" rel="noopener noreferrer" href="https://amzn.to/2EiSvAQ">https://amzn.to/2EiSvAQ</a>
1 × 12v (or 9v) AC Transformer <a target="_blank" rel="noopener noreferrer" href="https://amzn.to/2IE9Jrz">https://amzn.to/2IE9Jrz</a>
1 × ESP32 Dev Board <a target="_blank" rel="noopener noreferrer" href="https://amzn.to/2pCtTtz">https://amzn.to/2pCtTtz</a>