The HX809S-2.93V with Microprocessor & Microcontroller Supervisors SOT-23-3 RoHS from hengjiaxing is a highly versatile and reliable supervisor integrated circuit (IC) that uses a mini-USB interface. It contains an embedded 8-bit microcontroller and features a wide variety of features including a watchdog timer, voltage detection, brown-out reset, power on reset, and a Vectored Interrupt System. Additionally, it has an EEPROM for storing various configurable settings, and a flexible serial input/output interface allowing it to easily be integrated into a variety of projects. This part meets the RoHS (Restriction of Hazardous Substances) requirements, making it an environmentally safe and reliable solution for implementing various circuit protections and controls.