Інформація з оф.сайту виробника (перекладено з китайської): Download information: https://www.egmicro.com/chip-centers/6/EG8010/ Undervoltage protection: output is lower than 187V, turn off the output LCD type: 1. Special LCD; 2. Ordinary 128*32 LCD. (LCD needs to be purchased separately) This chip has: A: Undervoltage protection + 128*32 LCD B: Undervoltage protection + dedicated LCD C: No undervoltage protection + 128*32 LCD D: No undervoltage protection + dedicated LCD Four types, please choose the type you want before buying