This is detailed HW equipment Bill of Material for RPi Power Meter.
- Raspberry PI device - Raspberry PI 2, 3, 4, Zero W, Zero 2 W.
- Power Meter DDS-1Y-18L - digital single phase with DIN 43864 pulse interface. Some examples of compatible digital meters.
- Resistors
- 1k
- 10k
- Power Supply - 240V ~AC , 5V/1A power supply. Old recycled USB charger is just fine.