Quantity   Component name
1 × ESP32 board Any ESP32 board with 2 Analog to Digiltal Inputs. For instance, ESP32 D1 mini https://www.az-delivery.de/en/products/esp32-d1-mini
2 × PZCT 02 Clamp Current Transformer Any Clamp Current Transformer that can stand the maximum current you need to measure. I used this: https://www.amazon.com/PEACEFAIR-PZCT-02-Current-Transformer-Sensor/dp/B07G16GBMS
1 × 220V - 5V Power Supply Any small power supply capable to stand around 500mA.
1 × 220 - 5 or 12 or 24 V AC transformer Any AC transformer you scavenge from an old power supply
6 × Resistors as in the schematic
1 × 10 uF capacitor