Has anyone tried the SCT023R CT from YHDC?

[Bill.Thomson]

@Edison517

I was also curious about the A/D that the raspi uses

The RPi doesn’t have any AtoD onboard, hence the use of the ATMega328.

More info on your 1.1 / 3.3 / 5 Volt question here ADS1115 and sampling speed - #25 by Robert.Wall.