bigclivedotcom | Very advanced Indo street light @bigclivedotcom | Uploaded January 2024 | Updated October 2024, 9 hours ago.
First correction - the ACRICH (AC-rich) chips have a 2V analogue input, so a microcontroller can drive that directly without level shifting.

The power factor is a stunning 0.99 due to the way the LED current rides the sinewave in sync with the voltage.